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From "Vitaly Brodetskyi (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (AMBARI-12433) Mahout Service Check failing after enabling Kerberos
Date Thu, 17 Sep 2015 15:45:04 GMT

     [ https://issues.apache.org/jira/browse/AMBARI-12433?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Vitaly Brodetskyi updated AMBARI-12433:
---------------------------------------
    Attachment: AMBARI-12433.patch

> Mahout Service Check failing after enabling Kerberos
> ----------------------------------------------------
>
>                 Key: AMBARI-12433
>                 URL: https://issues.apache.org/jira/browse/AMBARI-12433
>             Project: Ambari
>          Issue Type: Bug
>    Affects Versions: 2.1.0
>         Environment: sles11sp3
>            Reporter: Zack Marsh
>            Assignee: Vitaly Brodetskyi
>            Priority: Blocker
>         Attachments: AMBARI-12433.patch
>
>
> Cluster configuration:
> * 3 Master nodes
> * Existing MIT KDC local to the cluster
> * sles11sp3
> While enabling Kerberos via Ambari's Enable Kerberos Wizard the Mahout  Service Check is failing during the last step of the Wizard "Start and Test All Services".
> Output from the failed Check Mahout operation:
> stderr:
> {code}
> Traceback (most recent call last):
>   File "/var/lib/ambari-agent/cache/common-services/MAHOUT/1.0.0.2.3/package/scripts/service_check.py", line 74, in <module>
>     MahoutServiceCheck().execute()
>   File "/usr/lib/python2.6/site-packages/resource_management/libraries/script/script.py", line 218, in execute
>     method(env)
>   File "/var/lib/ambari-agent/cache/common-services/MAHOUT/1.0.0.2.3/package/scripts/service_check.py", line 61, in service_check
>     user = params.smokeuser
>   File "/usr/lib/python2.6/site-packages/resource_management/core/base.py", line 157, in __init__
>     self.env.run()
>   File "/usr/lib/python2.6/site-packages/resource_management/core/environment.py", line 152, in run
>     self.run_action(resource, action)
>   File "/usr/lib/python2.6/site-packages/resource_management/core/environment.py", line 118, in run_action
>     provider_action()
>   File "/usr/lib/python2.6/site-packages/resource_management/core/providers/system.py", line 258, in action_run
>     tries=self.resource.tries, try_sleep=self.resource.try_sleep)
>   File "/usr/lib/python2.6/site-packages/resource_management/core/shell.py", line 70, in inner
>     result = function(command, **kwargs)
>   File "/usr/lib/python2.6/site-packages/resource_management/core/shell.py", line 92, in checked_call
>     tries=tries, try_sleep=try_sleep)
>   File "/usr/lib/python2.6/site-packages/resource_management/core/shell.py", line 140, in _call_wrapper
>     result = _call(command, **kwargs_copy)
>   File "/usr/lib/python2.6/site-packages/resource_management/core/shell.py", line 291, in _call
>     raise Fail(err_msg)
> resource_management.core.exceptions.Fail: Execution of 'mahout seqdirectory --input /user/ambari-qa/mahoutsmokeinput/sample-mahout-test.txt --output /user/ambari-qa/mahoutsmokeoutput/ --charset utf-8' returned 1. MAHOUT_LOCAL is not set; adding HADOOP_CONF_DIR to classpath.
> Running on hadoop, using /usr/hdp/current/hadoop-client/bin/hadoop and HADOOP_CONF_DIR=/usr/hdp/current/hadoop-client/conf
> MAHOUT-JOB: /usr/hdp/2.3.0.0-2557/mahout/mahout-examples-0.9.0.2.3.0.0-2557-job.jar
> WARNING: Use "yarn jar" to launch YARN applications.
> 15/07/16 13:02:12 WARN driver.MahoutDriver: No seqdirectory.props found on classpath, will use command-line arguments only
> 15/07/16 13:02:12 INFO common.AbstractJob: Command line arguments: {--charset=[utf-8], --chunkSize=[64], --endPhase=[2147483647], --fileFilterClass=[org.apache.mahout.text.PrefixAdditionFilter], --input=[/user/ambari-qa/mahoutsmokeinput/sample-mahout-test.txt], --keyPrefix=[], --method=[mapreduce], --output=[/user/ambari-qa/mahoutsmokeoutput/], --startPhase=[0], --tempDir=[temp]}
> 15/07/16 13:02:13 WARN ipc.Client: Exception encountered while connecting to the server : javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 15/07/16 13:02:13 WARN ipc.Client: Exception encountered while connecting to the server : javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 15/07/16 13:02:13 INFO retry.RetryInvocationHandler: Exception while invoking getFileInfo of class ClientNamenodeProtocolTranslatorPB over jolokia2.labs.teradata.com/39.0.16.2:8020 after 1 fail over attempts. Trying to fail over immediately.
> java.io.IOException: Failed on local exception: java.io.IOException: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]; Host Details : local host is: "jolokia3.labs.teradata.com/39.0.16.3"; destination host is: "jolokia2.labs.teradata.com":8020; 
> 	at org.apache.hadoop.net.NetUtils.wrapException(NetUtils.java:773)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1431)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1358)
> 	at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:229)
> 	at com.sun.proxy.$Proxy10.getFileInfo(Unknown Source)
> 	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.getFileInfo(ClientNamenodeProtocolTranslatorPB.java:771)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:187)
> 	at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:102)
> 	at com.sun.proxy.$Proxy11.getFileInfo(Unknown Source)
> 	at org.apache.hadoop.hdfs.DFSClient.getFileInfo(DFSClient.java:2116)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem$22.doCall(DistributedFileSystem.java:1305)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem$22.doCall(DistributedFileSystem.java:1301)
> 	at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem.getFileStatus(DistributedFileSystem.java:1301)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.runMapReduce(SequenceFilesFromDirectory.java:162)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.run(SequenceFilesFromDirectory.java:91)
> 	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
> 	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:84)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.main(SequenceFilesFromDirectory.java:65)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.util.ProgramDriver$ProgramDescription.invoke(ProgramDriver.java:71)
> 	at org.apache.hadoop.util.ProgramDriver.run(ProgramDriver.java:144)
> 	at org.apache.hadoop.util.ProgramDriver.driver(ProgramDriver.java:152)
> 	at org.apache.mahout.driver.MahoutDriver.main(MahoutDriver.java:195)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.util.RunJar.run(RunJar.java:221)
> 	at org.apache.hadoop.util.RunJar.main(RunJar.java:136)
> Caused by: java.io.IOException: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 	at org.apache.hadoop.ipc.Client$Connection$1.run(Client.java:685)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:422)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
> 	at org.apache.hadoop.ipc.Client$Connection.handleSaslConnectionFailure(Client.java:648)
> 	at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:735)
> 	at org.apache.hadoop.ipc.Client$Connection.access$2800(Client.java:373)
> 	at org.apache.hadoop.ipc.Client.getConnection(Client.java:1493)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1397)
> 	... 35 more
> Caused by: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 	at com.sun.security.sasl.gsskerb.GssKrb5Client.evaluateChallenge(GssKrb5Client.java:211)
> 	at org.apache.hadoop.security.SaslRpcClient.saslConnect(SaslRpcClient.java:413)
> 	at org.apache.hadoop.ipc.Client$Connection.setupSaslConnection(Client.java:558)
> 	at org.apache.hadoop.ipc.Client$Connection.access$1800(Client.java:373)
> 	at org.apache.hadoop.ipc.Client$Connection$2.run(Client.java:727)
> 	at org.apache.hadoop.ipc.Client$Connection$2.run(Client.java:723)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:422)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
> 	at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:722)
> 	... 38 more
> Caused by: GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)
> 	at sun.security.jgss.krb5.Krb5InitCredential.getInstance(Krb5InitCredential.java:147)
> 	at sun.security.jgss.krb5.Krb5MechFactory.getCredentialElement(Krb5MechFactory.java:122)
> 	at sun.security.jgss.krb5.Krb5MechFactory.getMechanismContext(Krb5MechFactory.java:187)
> 	at sun.security.jgss.GSSManagerImpl.getMechanismContext(GSSManagerImpl.java:224)
> 	at sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:212)
> 	at sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:179)
> 	at com.sun.security.sasl.gsskerb.GssKrb5Client.evaluateChallenge(GssKrb5Client.java:192)
> 	... 47 more
> 15/07/16 13:02:13 WARN ipc.Client: Exception encountered while connecting to the server : javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 15/07/16 13:02:13 INFO retry.RetryInvocationHandler: Exception while invoking getFileInfo of class ClientNamenodeProtocolTranslatorPB over jolokia1.labs.teradata.com/39.0.16.1:8020 after 2 fail over attempts. Trying to fail over immediately.
> java.io.IOException: Failed on local exception: java.io.IOException: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]; Host Details : local host is: "jolokia3.labs.teradata.com/39.0.16.3"; destination host is: "jolokia1.labs.teradata.com":8020; 
> 	at org.apache.hadoop.net.NetUtils.wrapException(NetUtils.java:773)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1431)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1358)
> 	at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:229)
> 	at com.sun.proxy.$Proxy10.getFileInfo(Unknown Source)
> 	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.getFileInfo(ClientNamenodeProtocolTranslatorPB.java:771)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:187)
> 	at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:102)
> 	at com.sun.proxy.$Proxy11.getFileInfo(Unknown Source)
> 	at org.apache.hadoop.hdfs.DFSClient.getFileInfo(DFSClient.java:2116)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem$22.doCall(DistributedFileSystem.java:1305)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem$22.doCall(DistributedFileSystem.java:1301)
> 	at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem.getFileStatus(DistributedFileSystem.java:1301)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.runMapReduce(SequenceFilesFromDirectory.java:162)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.run(SequenceFilesFromDirectory.java:91)
> 	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
> 	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:84)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.main(SequenceFilesFromDirectory.java:65)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.util.ProgramDriver$ProgramDescription.invoke(ProgramDriver.java:71)
> 	at org.apache.hadoop.util.ProgramDriver.run(ProgramDriver.java:144)
> 	at org.apache.hadoop.util.ProgramDriver.driver(ProgramDriver.java:152)
> 	at org.apache.mahout.driver.MahoutDriver.main(MahoutDriver.java:195)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.util.RunJar.run(RunJar.java:221)
> 	at org.apache.hadoop.util.RunJar.main(RunJar.java:136)
> Caused by: java.io.IOException: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 	at org.apache.hadoop.ipc.Client$Connection$1.run(Client.java:685)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:422)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
> 	at org.apache.hadoop.ipc.Client$Connection.handleSaslConnectionFailure(Client.java:648)
> 	at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:735)
> 	at org.apache.hadoop.ipc.Client$Connection.access$2800(Client.java:373)
> 	at org.apache.hadoop.ipc.Client.getConnection(Client.java:1493)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1397)
> 	... 35 more
> Caused by: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 	at com.sun.security.sasl.gsskerb.GssKrb5Client.evaluateChallenge(GssKrb5Client.java:211)
> 	at org.apache.hadoop.security.SaslRpcClient.saslConnect(SaslRpcClient.java:413)
> 	at org.apache.hadoop.ipc.Client$Connection.setupSaslConnection(Client.java:558)
> 	at org.apache.hadoop.ipc.Client$Connection.access$1800(Client.java:373)
> 	at org.apache.hadoop.ipc.Client$Connection$2.run(Client.java:727)
> 	at org.apache.hadoop.ipc.Client$Connection$2.run(Client.java:723)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:422)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
> 	at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:722)
> 	... 38 more
> Caused by: GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)
> 	at sun.security.jgss.krb5.Krb5InitCredential.getInstance(Krb5InitCredential.java:147)
> 	at sun.security.jgss.krb5.Krb5MechFactory.getCredentialElement(Krb5MechFactory.java:122)
> 	at sun.security.jgss.krb5.Krb5MechFactory.getMechanismContext(Krb5MechFactory.java:187)
> 	at sun.security.jgss.GSSManagerImpl.getMechanismContext(GSSManagerImpl.java:224)
> 	at sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:212)
> 	at sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:179)
> 	at com.sun.security.sasl.gsskerb.GssKrb5Client.evaluateChallenge(GssKrb5Client.java:192)
> 	... 47 more
> 15/07/16 13:02:13 WARN ipc.Client: Exception encountered while connecting to the server : javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 15/07/16 13:02:13 INFO retry.RetryInvocationHandler: Exception while invoking getFileInfo of class ClientNamenodeProtocolTranslatorPB over jolokia2.labs.teradata.com/39.0.16.2:8020 after 3 fail over attempts. Trying to fail over immediately.
> java.io.IOException: Failed on local exception: java.io.IOException: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]; Host Details : local host is: "jolokia3.labs.teradata.com/39.0.16.3"; destination host is: "jolokia2.labs.teradata.com":8020; 
> 	at org.apache.hadoop.net.NetUtils.wrapException(NetUtils.java:773)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1431)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1358)
> 	at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:229)
> 	at com.sun.proxy.$Proxy10.getFileInfo(Unknown Source)
> 	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.getFileInfo(ClientNamenodeProtocolTranslatorPB.java:771)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:187)
> 	at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:102)
> 	at com.sun.proxy.$Proxy11.getFileInfo(Unknown Source)
> 	at org.apache.hadoop.hdfs.DFSClient.getFileInfo(DFSClient.java:2116)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem$22.doCall(DistributedFileSystem.java:1305)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem$22.doCall(DistributedFileSystem.java:1301)
> 	at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem.getFileStatus(DistributedFileSystem.java:1301)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.runMapReduce(SequenceFilesFromDirectory.java:162)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.run(SequenceFilesFromDirectory.java:91)
> 	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
> 	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:84)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.main(SequenceFilesFromDirectory.java:65)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.util.ProgramDriver$ProgramDescription.invoke(ProgramDriver.java:71)
> 	at org.apache.hadoop.util.ProgramDriver.run(ProgramDriver.java:144)
> 	at org.apache.hadoop.util.ProgramDriver.driver(ProgramDriver.java:152)
> 	at org.apache.mahout.driver.MahoutDriver.main(MahoutDriver.java:195)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.util.RunJar.run(RunJar.java:221)
> 	at org.apache.hadoop.util.RunJar.main(RunJar.java:136)
> Caused by: java.io.IOException: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 	at org.apache.hadoop.ipc.Client$Connection$1.run(Client.java:685)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:422)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
> 	at org.apache.hadoop.ipc.Client$Connection.handleSaslConnectionFailure(Client.java:648)
> 	at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:735)
> 	at org.apache.hadoop.ipc.Client$Connection.access$2800(Client.java:373)
> 	at org.apache.hadoop.ipc.Client.getConnection(Client.java:1493)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1397)
> 	... 35 more
> Caused by: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 	at com.sun.security.sasl.gsskerb.GssKrb5Client.evaluateChallenge(GssKrb5Client.java:211)
> 	at org.apache.hadoop.security.SaslRpcClient.saslConnect(SaslRpcClient.java:413)
> 	at org.apache.hadoop.ipc.Client$Connection.setupSaslConnection(Client.java:558)
> 	at org.apache.hadoop.ipc.Client$Connection.access$1800(Client.java:373)
> 	at org.apache.hadoop.ipc.Client$Connection$2.run(Client.java:727)
> 	at org.apache.hadoop.ipc.Client$Connection$2.run(Client.java:723)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:422)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
> 	at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:722)
> 	... 38 more
> Caused by: GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)
> 	at sun.security.jgss.krb5.Krb5InitCredential.getInstance(Krb5InitCredential.java:147)
> 	at sun.security.jgss.krb5.Krb5MechFactory.getCredentialElement(Krb5MechFactory.java:122)
> 	at sun.security.jgss.krb5.Krb5MechFactory.getMechanismContext(Krb5MechFactory.java:187)
> 	at sun.security.jgss.GSSManagerImpl.getMechanismContext(GSSManagerImpl.java:224)
> 	at sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:212)
> 	at sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:179)
> 	at com.sun.security.sasl.gsskerb.GssKrb5Client.evaluateChallenge(GssKrb5Client.java:192)
> 	... 47 more
> 15/07/16 13:02:13 WARN ipc.Client: Exception encountered while connecting to the server : javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 15/07/16 13:02:13 INFO retry.RetryInvocationHandler: Exception while invoking getFileInfo of class ClientNamenodeProtocolTranslatorPB over jolokia1.labs.teradata.com/39.0.16.1:8020 after 4 fail over attempts. Trying to fail over immediately.
> java.io.IOException: Failed on local exception: java.io.IOException: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]; Host Details : local host is: "jolokia3.labs.teradata.com/39.0.16.3"; destination host is: "jolokia1.labs.teradata.com":8020; 
> 	at org.apache.hadoop.net.NetUtils.wrapException(NetUtils.java:773)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1431)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1358)
> 	at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:229)
> 	at com.sun.proxy.$Proxy10.getFileInfo(Unknown Source)
> 	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.getFileInfo(ClientNamenodeProtocolTranslatorPB.java:771)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:187)
> 	at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:102)
> 	at com.sun.proxy.$Proxy11.getFileInfo(Unknown Source)
> 	at org.apache.hadoop.hdfs.DFSClient.getFileInfo(DFSClient.java:2116)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem$22.doCall(DistributedFileSystem.java:1305)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem$22.doCall(DistributedFileSystem.java:1301)
> 	at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem.getFileStatus(DistributedFileSystem.java:1301)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.runMapReduce(SequenceFilesFromDirectory.java:162)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.run(SequenceFilesFromDirectory.java:91)
> 	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
> 	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:84)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.main(SequenceFilesFromDirectory.java:65)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.util.ProgramDriver$ProgramDescription.invoke(ProgramDriver.java:71)
> 	at org.apache.hadoop.util.ProgramDriver.run(ProgramDriver.java:144)
> 	at org.apache.hadoop.util.ProgramDriver.driver(ProgramDriver.java:152)
> 	at org.apache.mahout.driver.MahoutDriver.main(MahoutDriver.java:195)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.util.RunJar.run(RunJar.java:221)
> 	at org.apache.hadoop.util.RunJar.main(RunJar.java:136)
> Caused by: java.io.IOException: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 	at org.apache.hadoop.ipc.Client$Connection$1.run(Client.java:685)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:422)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
> 	at org.apache.hadoop.ipc.Client$Connection.handleSaslConnectionFailure(Client.java:648)
> 	at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:735)
> 	at org.apache.hadoop.ipc.Client$Connection.access$2800(Client.java:373)
> 	at org.apache.hadoop.ipc.Client.getConnection(Client.java:1493)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1397)
> 	... 35 more
> Caused by: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 	at com.sun.security.sasl.gsskerb.GssKrb5Client.evaluateChallenge(GssKrb5Client.java:211)
> 	at org.apache.hadoop.security.SaslRpcClient.saslConnect(SaslRpcClient.java:413)
> 	at org.apache.hadoop.ipc.Client$Connection.setupSaslConnection(Client.java:558)
> 	at org.apache.hadoop.ipc.Client$Connection.access$1800(Client.java:373)
> 	at org.apache.hadoop.ipc.Client$Connection$2.run(Client.java:727)
> 	at org.apache.hadoop.ipc.Client$Connection$2.run(Client.java:723)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:422)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
> 	at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:722)
> 	... 38 more
> Caused by: GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)
> 	at sun.security.jgss.krb5.Krb5InitCredential.getInstance(Krb5InitCredential.java:147)
> 	at sun.security.jgss.krb5.Krb5MechFactory.getCredentialElement(Krb5MechFactory.java:122)
> 	at sun.security.jgss.krb5.Krb5MechFactory.getMechanismContext(Krb5MechFactory.java:187)
> 	at sun.security.jgss.GSSManagerImpl.getMechanismContext(GSSManagerImpl.java:224)
> 	at sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:212)
> 	at sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:179)
> 	at com.sun.security.sasl.gsskerb.GssKrb5Client.evaluateChallenge(GssKrb5Client.java:192)
> 	... 47 more
> 15/07/16 13:02:13 WARN ipc.Client: Exception encountered while connecting to the server : javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 15/07/16 13:02:13 INFO retry.RetryInvocationHandler: Exception while invoking getFileInfo of class ClientNamenodeProtocolTranslatorPB over jolokia2.labs.teradata.com/39.0.16.2:8020 after 5 fail over attempts. Trying to fail over immediately.
> java.io.IOException: Failed on local exception: java.io.IOException: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]; Host Details : local host is: "jolokia3.labs.teradata.com/39.0.16.3"; destination host is: "jolokia2.labs.teradata.com":8020; 
> 	at org.apache.hadoop.net.NetUtils.wrapException(NetUtils.java:773)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1431)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1358)
> 	at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:229)
> 	at com.sun.proxy.$Proxy10.getFileInfo(Unknown Source)
> 	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.getFileInfo(ClientNamenodeProtocolTranslatorPB.java:771)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:187)
> 	at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:102)
> 	at com.sun.proxy.$Proxy11.getFileInfo(Unknown Source)
> 	at org.apache.hadoop.hdfs.DFSClient.getFileInfo(DFSClient.java:2116)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem$22.doCall(DistributedFileSystem.java:1305)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem$22.doCall(DistributedFileSystem.java:1301)
> 	at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem.getFileStatus(DistributedFileSystem.java:1301)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.runMapReduce(SequenceFilesFromDirectory.java:162)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.run(SequenceFilesFromDirectory.java:91)
> 	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
> 	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:84)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.main(SequenceFilesFromDirectory.java:65)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.util.ProgramDriver$ProgramDescription.invoke(ProgramDriver.java:71)
> 	at org.apache.hadoop.util.ProgramDriver.run(ProgramDriver.java:144)
> 	at org.apache.hadoop.util.ProgramDriver.driver(ProgramDriver.java:152)
> 	at org.apache.mahout.driver.MahoutDriver.main(MahoutDriver.java:195)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.util.RunJar.run(RunJar.java:221)
> 	at org.apache.hadoop.util.RunJar.main(RunJar.java:136)
> Caused by: java.io.IOException: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 	at org.apache.hadoop.ipc.Client$Connection$1.run(Client.java:685)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:422)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
> 	at org.apache.hadoop.ipc.Client$Connection.handleSaslConnectionFailure(Client.java:648)
> 	at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:735)
> 	at org.apache.hadoop.ipc.Client$Connection.access$2800(Client.java:373)
> 	at org.apache.hadoop.ipc.Client.getConnection(Client.java:1493)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1397)
> 	... 35 more
> Caused by: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 	at com.sun.security.sasl.gsskerb.GssKrb5Client.evaluateChallenge(GssKrb5Client.java:211)
> 	at org.apache.hadoop.security.SaslRpcClient.saslConnect(SaslRpcClient.java:413)
> 	at org.apache.hadoop.ipc.Client$Connection.setupSaslConnection(Client.java:558)
> 	at org.apache.hadoop.ipc.Client$Connection.access$1800(Client.java:373)
> 	at org.apache.hadoop.ipc.Client$Connection$2.run(Client.java:727)
> 	at org.apache.hadoop.ipc.Client$Connection$2.run(Client.java:723)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:422)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
> 	at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:722)
> 	... 38 more
> Caused by: GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)
> 	at sun.security.jgss.krb5.Krb5InitCredential.getInstance(Krb5InitCredential.java:147)
> 	at sun.security.jgss.krb5.Krb5MechFactory.getCredentialElement(Krb5MechFactory.java:122)
> 	at sun.security.jgss.krb5.Krb5MechFactory.getMechanismContext(Krb5MechFactory.java:187)
> 	at sun.security.jgss.GSSManagerImpl.getMechanismContext(GSSManagerImpl.java:224)
> 	at sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:212)
> 	at sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:179)
> 	at com.sun.security.sasl.gsskerb.GssKrb5Client.evaluateChallenge(GssKrb5Client.java:192)
> 	... 47 more
> 15/07/16 13:02:13 WARN ipc.Client: Exception encountered while connecting to the server : javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 15/07/16 13:02:13 INFO retry.RetryInvocationHandler: Exception while invoking getFileInfo of class ClientNamenodeProtocolTranslatorPB over jolokia1.labs.teradata.com/39.0.16.1:8020 after 6 fail over attempts. Trying to fail over immediately.
> java.io.IOException: Failed on local exception: java.io.IOException: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]; Host Details : local host is: "jolokia3.labs.teradata.com/39.0.16.3"; destination host is: "jolokia1.labs.teradata.com":8020; 
> 	at org.apache.hadoop.net.NetUtils.wrapException(NetUtils.java:773)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1431)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1358)
> 	at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:229)
> 	at com.sun.proxy.$Proxy10.getFileInfo(Unknown Source)
> 	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.getFileInfo(ClientNamenodeProtocolTranslatorPB.java:771)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:187)
> 	at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:102)
> 	at com.sun.proxy.$Proxy11.getFileInfo(Unknown Source)
> 	at org.apache.hadoop.hdfs.DFSClient.getFileInfo(DFSClient.java:2116)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem$22.doCall(DistributedFileSystem.java:1305)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem$22.doCall(DistributedFileSystem.java:1301)
> 	at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem.getFileStatus(DistributedFileSystem.java:1301)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.runMapReduce(SequenceFilesFromDirectory.java:162)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.run(SequenceFilesFromDirectory.java:91)
> 	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
> 	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:84)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.main(SequenceFilesFromDirectory.java:65)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.util.ProgramDriver$ProgramDescription.invoke(ProgramDriver.java:71)
> 	at org.apache.hadoop.util.ProgramDriver.run(ProgramDriver.java:144)
> 	at org.apache.hadoop.util.ProgramDriver.driver(ProgramDriver.java:152)
> 	at org.apache.mahout.driver.MahoutDriver.main(MahoutDriver.java:195)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.util.RunJar.run(RunJar.java:221)
> 	at org.apache.hadoop.util.RunJar.main(RunJar.java:136)
> Caused by: java.io.IOException: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 	at org.apache.hadoop.ipc.Client$Connection$1.run(Client.java:685)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:422)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
> 	at org.apache.hadoop.ipc.Client$Connection.handleSaslConnectionFailure(Client.java:648)
> 	at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:735)
> 	at org.apache.hadoop.ipc.Client$Connection.access$2800(Client.java:373)
> 	at org.apache.hadoop.ipc.Client.getConnection(Client.java:1493)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1397)
> 	... 35 more
> Caused by: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 	at com.sun.security.sasl.gsskerb.GssKrb5Client.evaluateChallenge(GssKrb5Client.java:211)
> 	at org.apache.hadoop.security.SaslRpcClient.saslConnect(SaslRpcClient.java:413)
> 	at org.apache.hadoop.ipc.Client$Connection.setupSaslConnection(Client.java:558)
> 	at org.apache.hadoop.ipc.Client$Connection.access$1800(Client.java:373)
> 	at org.apache.hadoop.ipc.Client$Connection$2.run(Client.java:727)
> 	at org.apache.hadoop.ipc.Client$Connection$2.run(Client.java:723)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:422)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
> 	at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:722)
> 	... 38 more
> Caused by: GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)
> 	at sun.security.jgss.krb5.Krb5InitCredential.getInstance(Krb5InitCredential.java:147)
> 	at sun.security.jgss.krb5.Krb5MechFactory.getCredentialElement(Krb5MechFactory.java:122)
> 	at sun.security.jgss.krb5.Krb5MechFactory.getMechanismContext(Krb5MechFactory.java:187)
> 	at sun.security.jgss.GSSManagerImpl.getMechanismContext(GSSManagerImpl.java:224)
> 	at sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:212)
> 	at sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:179)
> 	at com.sun.security.sasl.gsskerb.GssKrb5Client.evaluateChallenge(GssKrb5Client.java:192)
> 	... 47 more
> 15/07/16 13:02:13 WARN ipc.Client: Exception encountered while connecting to the server : javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 15/07/16 13:02:13 INFO retry.RetryInvocationHandler: Exception while invoking getFileInfo of class ClientNamenodeProtocolTranslatorPB over jolokia2.labs.teradata.com/39.0.16.2:8020 after 7 fail over attempts. Trying to fail over immediately.
> java.io.IOException: Failed on local exception: java.io.IOException: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]; Host Details : local host is: "jolokia3.labs.teradata.com/39.0.16.3"; destination host is: "jolokia2.labs.teradata.com":8020; 
> 	at org.apache.hadoop.net.NetUtils.wrapException(NetUtils.java:773)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1431)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1358)
> 	at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:229)
> 	at com.sun.proxy.$Proxy10.getFileInfo(Unknown Source)
> 	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.getFileInfo(ClientNamenodeProtocolTranslatorPB.java:771)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:187)
> 	at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:102)
> 	at com.sun.proxy.$Proxy11.getFileInfo(Unknown Source)
> 	at org.apache.hadoop.hdfs.DFSClient.getFileInfo(DFSClient.java:2116)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem$22.doCall(DistributedFileSystem.java:1305)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem$22.doCall(DistributedFileSystem.java:1301)
> 	at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem.getFileStatus(DistributedFileSystem.java:1301)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.runMapReduce(SequenceFilesFromDirectory.java:162)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.run(SequenceFilesFromDirectory.java:91)
> 	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
> 	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:84)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.main(SequenceFilesFromDirectory.java:65)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.util.ProgramDriver$ProgramDescription.invoke(ProgramDriver.java:71)
> 	at org.apache.hadoop.util.ProgramDriver.run(ProgramDriver.java:144)
> 	at org.apache.hadoop.util.ProgramDriver.driver(ProgramDriver.java:152)
> 	at org.apache.mahout.driver.MahoutDriver.main(MahoutDriver.java:195)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.util.RunJar.run(RunJar.java:221)
> 	at org.apache.hadoop.util.RunJar.main(RunJar.java:136)
> Caused by: java.io.IOException: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 	at org.apache.hadoop.ipc.Client$Connection$1.run(Client.java:685)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:422)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
> 	at org.apache.hadoop.ipc.Client$Connection.handleSaslConnectionFailure(Client.java:648)
> 	at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:735)
> 	at org.apache.hadoop.ipc.Client$Connection.access$2800(Client.java:373)
> 	at org.apache.hadoop.ipc.Client.getConnection(Client.java:1493)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1397)
> 	... 35 more
> Caused by: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 	at com.sun.security.sasl.gsskerb.GssKrb5Client.evaluateChallenge(GssKrb5Client.java:211)
> 	at org.apache.hadoop.security.SaslRpcClient.saslConnect(SaslRpcClient.java:413)
> 	at org.apache.hadoop.ipc.Client$Connection.setupSaslConnection(Client.java:558)
> 	at org.apache.hadoop.ipc.Client$Connection.access$1800(Client.java:373)
> 	at org.apache.hadoop.ipc.Client$Connection$2.run(Client.java:727)
> 	at org.apache.hadoop.ipc.Client$Connection$2.run(Client.java:723)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:422)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
> 	at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:722)
> 	... 38 more
> Caused by: GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)
> 	at sun.security.jgss.krb5.Krb5InitCredential.getInstance(Krb5InitCredential.java:147)
> 	at sun.security.jgss.krb5.Krb5MechFactory.getCredentialElement(Krb5MechFactory.java:122)
> 	at sun.security.jgss.krb5.Krb5MechFactory.getMechanismContext(Krb5MechFactory.java:187)
> 	at sun.security.jgss.GSSManagerImpl.getMechanismContext(GSSManagerImpl.java:224)
> 	at sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:212)
> 	at sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:179)
> 	at com.sun.security.sasl.gsskerb.GssKrb5Client.evaluateChallenge(GssKrb5Client.java:192)
> 	... 47 more
> 15/07/16 13:02:13 WARN ipc.Client: Exception encountered while connecting to the server : javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 15/07/16 13:02:13 INFO retry.RetryInvocationHandler: Exception while invoking getFileInfo of class ClientNamenodeProtocolTranslatorPB over jolokia1.labs.teradata.com/39.0.16.1:8020 after 8 fail over attempts. Trying to fail over immediately.
> java.io.IOException: Failed on local exception: java.io.IOException: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]; Host Details : local host is: "jolokia3.labs.teradata.com/39.0.16.3"; destination host is: "jolokia1.labs.teradata.com":8020; 
> 	at org.apache.hadoop.net.NetUtils.wrapException(NetUtils.java:773)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1431)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1358)
> 	at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:229)
> 	at com.sun.proxy.$Proxy10.getFileInfo(Unknown Source)
> 	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.getFileInfo(ClientNamenodeProtocolTranslatorPB.java:771)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:187)
> 	at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:102)
> 	at com.sun.proxy.$Proxy11.getFileInfo(Unknown Source)
> 	at org.apache.hadoop.hdfs.DFSClient.getFileInfo(DFSClient.java:2116)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem$22.doCall(DistributedFileSystem.java:1305)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem$22.doCall(DistributedFileSystem.java:1301)
> 	at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem.getFileStatus(DistributedFileSystem.java:1301)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.runMapReduce(SequenceFilesFromDirectory.java:162)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.run(SequenceFilesFromDirectory.java:91)
> 	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
> 	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:84)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.main(SequenceFilesFromDirectory.java:65)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.util.ProgramDriver$ProgramDescription.invoke(ProgramDriver.java:71)
> 	at org.apache.hadoop.util.ProgramDriver.run(ProgramDriver.java:144)
> 	at org.apache.hadoop.util.ProgramDriver.driver(ProgramDriver.java:152)
> 	at org.apache.mahout.driver.MahoutDriver.main(MahoutDriver.java:195)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.util.RunJar.run(RunJar.java:221)
> 	at org.apache.hadoop.util.RunJar.main(RunJar.java:136)
> Caused by: java.io.IOException: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 	at org.apache.hadoop.ipc.Client$Connection$1.run(Client.java:685)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:422)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
> 	at org.apache.hadoop.ipc.Client$Connection.handleSaslConnectionFailure(Client.java:648)
> 	at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:735)
> 	at org.apache.hadoop.ipc.Client$Connection.access$2800(Client.java:373)
> 	at org.apache.hadoop.ipc.Client.getConnection(Client.java:1493)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1397)
> 	... 35 more
> Caused by: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 	at com.sun.security.sasl.gsskerb.GssKrb5Client.evaluateChallenge(GssKrb5Client.java:211)
> 	at org.apache.hadoop.security.SaslRpcClient.saslConnect(SaslRpcClient.java:413)
> 	at org.apache.hadoop.ipc.Client$Connection.setupSaslConnection(Client.java:558)
> 	at org.apache.hadoop.ipc.Client$Connection.access$1800(Client.java:373)
> 	at org.apache.hadoop.ipc.Client$Connection$2.run(Client.java:727)
> 	at org.apache.hadoop.ipc.Client$Connection$2.run(Client.java:723)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:422)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
> 	at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:722)
> 	... 38 more
> Caused by: GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)
> 	at sun.security.jgss.krb5.Krb5InitCredential.getInstance(Krb5InitCredential.java:147)
> 	at sun.security.jgss.krb5.Krb5MechFactory.getCredentialElement(Krb5MechFactory.java:122)
> 	at sun.security.jgss.krb5.Krb5MechFactory.getMechanismContext(Krb5MechFactory.java:187)
> 	at sun.security.jgss.GSSManagerImpl.getMechanismContext(GSSManagerImpl.java:224)
> 	at sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:212)
> 	at sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:179)
> 	at com.sun.security.sasl.gsskerb.GssKrb5Client.evaluateChallenge(GssKrb5Client.java:192)
> 	... 47 more
> 15/07/16 13:02:13 WARN ipc.Client: Exception encountered while connecting to the server : javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 15/07/16 13:02:13 INFO retry.RetryInvocationHandler: Exception while invoking getFileInfo of class ClientNamenodeProtocolTranslatorPB over jolokia2.labs.teradata.com/39.0.16.2:8020 after 9 fail over attempts. Trying to fail over immediately.
> java.io.IOException: Failed on local exception: java.io.IOException: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]; Host Details : local host is: "jolokia3.labs.teradata.com/39.0.16.3"; destination host is: "jolokia2.labs.teradata.com":8020; 
> 	at org.apache.hadoop.net.NetUtils.wrapException(NetUtils.java:773)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1431)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1358)
> 	at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:229)
> 	at com.sun.proxy.$Proxy10.getFileInfo(Unknown Source)
> 	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.getFileInfo(ClientNamenodeProtocolTranslatorPB.java:771)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:187)
> 	at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:102)
> 	at com.sun.proxy.$Proxy11.getFileInfo(Unknown Source)
> 	at org.apache.hadoop.hdfs.DFSClient.getFileInfo(DFSClient.java:2116)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem$22.doCall(DistributedFileSystem.java:1305)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem$22.doCall(DistributedFileSystem.java:1301)
> 	at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem.getFileStatus(DistributedFileSystem.java:1301)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.runMapReduce(SequenceFilesFromDirectory.java:162)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.run(SequenceFilesFromDirectory.java:91)
> 	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
> 	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:84)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.main(SequenceFilesFromDirectory.java:65)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.util.ProgramDriver$ProgramDescription.invoke(ProgramDriver.java:71)
> 	at org.apache.hadoop.util.ProgramDriver.run(ProgramDriver.java:144)
> 	at org.apache.hadoop.util.ProgramDriver.driver(ProgramDriver.java:152)
> 	at org.apache.mahout.driver.MahoutDriver.main(MahoutDriver.java:195)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.util.RunJar.run(RunJar.java:221)
> 	at org.apache.hadoop.util.RunJar.main(RunJar.java:136)
> Caused by: java.io.IOException: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 	at org.apache.hadoop.ipc.Client$Connection$1.run(Client.java:685)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:422)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
> 	at org.apache.hadoop.ipc.Client$Connection.handleSaslConnectionFailure(Client.java:648)
> 	at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:735)
> 	at org.apache.hadoop.ipc.Client$Connection.access$2800(Client.java:373)
> 	at org.apache.hadoop.ipc.Client.getConnection(Client.java:1493)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1397)
> 	... 35 more
> Caused by: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 	at com.sun.security.sasl.gsskerb.GssKrb5Client.evaluateChallenge(GssKrb5Client.java:211)
> 	at org.apache.hadoop.security.SaslRpcClient.saslConnect(SaslRpcClient.java:413)
> 	at org.apache.hadoop.ipc.Client$Connection.setupSaslConnection(Client.java:558)
> 	at org.apache.hadoop.ipc.Client$Connection.access$1800(Client.java:373)
> 	at org.apache.hadoop.ipc.Client$Connection$2.run(Client.java:727)
> 	at org.apache.hadoop.ipc.Client$Connection$2.run(Client.java:723)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:422)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
> 	at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:722)
> 	... 38 more
> Caused by: GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)
> 	at sun.security.jgss.krb5.Krb5InitCredential.getInstance(Krb5InitCredential.java:147)
> 	at sun.security.jgss.krb5.Krb5MechFactory.getCredentialElement(Krb5MechFactory.java:122)
> 	at sun.security.jgss.krb5.Krb5MechFactory.getMechanismContext(Krb5MechFactory.java:187)
> 	at sun.security.jgss.GSSManagerImpl.getMechanismContext(GSSManagerImpl.java:224)
> 	at sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:212)
> 	at sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:179)
> 	at com.sun.security.sasl.gsskerb.GssKrb5Client.evaluateChallenge(GssKrb5Client.java:192)
> 	... 47 more
> 15/07/16 13:02:13 WARN ipc.Client: Exception encountered while connecting to the server : javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 15/07/16 13:02:13 INFO retry.RetryInvocationHandler: Exception while invoking getFileInfo of class ClientNamenodeProtocolTranslatorPB over jolokia1.labs.teradata.com/39.0.16.1:8020 after 10 fail over attempts. Trying to fail over immediately.
> java.io.IOException: Failed on local exception: java.io.IOException: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]; Host Details : local host is: "jolokia3.labs.teradata.com/39.0.16.3"; destination host is: "jolokia1.labs.teradata.com":8020; 
> 	at org.apache.hadoop.net.NetUtils.wrapException(NetUtils.java:773)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1431)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1358)
> 	at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:229)
> 	at com.sun.proxy.$Proxy10.getFileInfo(Unknown Source)
> 	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.getFileInfo(ClientNamenodeProtocolTranslatorPB.java:771)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:187)
> 	at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:102)
> 	at com.sun.proxy.$Proxy11.getFileInfo(Unknown Source)
> 	at org.apache.hadoop.hdfs.DFSClient.getFileInfo(DFSClient.java:2116)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem$22.doCall(DistributedFileSystem.java:1305)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem$22.doCall(DistributedFileSystem.java:1301)
> 	at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem.getFileStatus(DistributedFileSystem.java:1301)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.runMapReduce(SequenceFilesFromDirectory.java:162)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.run(SequenceFilesFromDirectory.java:91)
> 	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
> 	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:84)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.main(SequenceFilesFromDirectory.java:65)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.util.ProgramDriver$ProgramDescription.invoke(ProgramDriver.java:71)
> 	at org.apache.hadoop.util.ProgramDriver.run(ProgramDriver.java:144)
> 	at org.apache.hadoop.util.ProgramDriver.driver(ProgramDriver.java:152)
> 	at org.apache.mahout.driver.MahoutDriver.main(MahoutDriver.java:195)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.util.RunJar.run(RunJar.java:221)
> 	at org.apache.hadoop.util.RunJar.main(RunJar.java:136)
> Caused by: java.io.IOException: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 	at org.apache.hadoop.ipc.Client$Connection$1.run(Client.java:685)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:422)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
> 	at org.apache.hadoop.ipc.Client$Connection.handleSaslConnectionFailure(Client.java:648)
> 	at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:735)
> 	at org.apache.hadoop.ipc.Client$Connection.access$2800(Client.java:373)
> 	at org.apache.hadoop.ipc.Client.getConnection(Client.java:1493)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1397)
> 	... 35 more
> Caused by: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 	at com.sun.security.sasl.gsskerb.GssKrb5Client.evaluateChallenge(GssKrb5Client.java:211)
> 	at org.apache.hadoop.security.SaslRpcClient.saslConnect(SaslRpcClient.java:413)
> 	at org.apache.hadoop.ipc.Client$Connection.setupSaslConnection(Client.java:558)
> 	at org.apache.hadoop.ipc.Client$Connection.access$1800(Client.java:373)
> 	at org.apache.hadoop.ipc.Client$Connection$2.run(Client.java:727)
> 	at org.apache.hadoop.ipc.Client$Connection$2.run(Client.java:723)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:422)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
> 	at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:722)
> 	... 38 more
> Caused by: GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)
> 	at sun.security.jgss.krb5.Krb5InitCredential.getInstance(Krb5InitCredential.java:147)
> 	at sun.security.jgss.krb5.Krb5MechFactory.getCredentialElement(Krb5MechFactory.java:122)
> 	at sun.security.jgss.krb5.Krb5MechFactory.getMechanismContext(Krb5MechFactory.java:187)
> 	at sun.security.jgss.GSSManagerImpl.getMechanismContext(GSSManagerImpl.java:224)
> 	at sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:212)
> 	at sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:179)
> 	at com.sun.security.sasl.gsskerb.GssKrb5Client.evaluateChallenge(GssKrb5Client.java:192)
> 	... 47 more
> 15/07/16 13:02:13 WARN ipc.Client: Exception encountered while connecting to the server : javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 15/07/16 13:02:13 INFO retry.RetryInvocationHandler: Exception while invoking getFileInfo of class ClientNamenodeProtocolTranslatorPB over jolokia2.labs.teradata.com/39.0.16.2:8020 after 11 fail over attempts. Trying to fail over immediately.
> java.io.IOException: Failed on local exception: java.io.IOException: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]; Host Details : local host is: "jolokia3.labs.teradata.com/39.0.16.3"; destination host is: "jolokia2.labs.teradata.com":8020; 
> 	at org.apache.hadoop.net.NetUtils.wrapException(NetUtils.java:773)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1431)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1358)
> 	at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:229)
> 	at com.sun.proxy.$Proxy10.getFileInfo(Unknown Source)
> 	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.getFileInfo(ClientNamenodeProtocolTranslatorPB.java:771)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:187)
> 	at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:102)
> 	at com.sun.proxy.$Proxy11.getFileInfo(Unknown Source)
> 	at org.apache.hadoop.hdfs.DFSClient.getFileInfo(DFSClient.java:2116)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem$22.doCall(DistributedFileSystem.java:1305)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem$22.doCall(DistributedFileSystem.java:1301)
> 	at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem.getFileStatus(DistributedFileSystem.java:1301)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.runMapReduce(SequenceFilesFromDirectory.java:162)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.run(SequenceFilesFromDirectory.java:91)
> 	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
> 	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:84)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.main(SequenceFilesFromDirectory.java:65)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.util.ProgramDriver$ProgramDescription.invoke(ProgramDriver.java:71)
> 	at org.apache.hadoop.util.ProgramDriver.run(ProgramDriver.java:144)
> 	at org.apache.hadoop.util.ProgramDriver.driver(ProgramDriver.java:152)
> 	at org.apache.mahout.driver.MahoutDriver.main(MahoutDriver.java:195)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.util.RunJar.run(RunJar.java:221)
> 	at org.apache.hadoop.util.RunJar.main(RunJar.java:136)
> Caused by: java.io.IOException: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 	at org.apache.hadoop.ipc.Client$Connection$1.run(Client.java:685)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:422)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
> 	at org.apache.hadoop.ipc.Client$Connection.handleSaslConnectionFailure(Client.java:648)
> 	at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:735)
> 	at org.apache.hadoop.ipc.Client$Connection.access$2800(Client.java:373)
> 	at org.apache.hadoop.ipc.Client.getConnection(Client.java:1493)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1397)
> 	... 35 more
> Caused by: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 	at com.sun.security.sasl.gsskerb.GssKrb5Client.evaluateChallenge(GssKrb5Client.java:211)
> 	at org.apache.hadoop.security.SaslRpcClient.saslConnect(SaslRpcClient.java:413)
> 	at org.apache.hadoop.ipc.Client$Connection.setupSaslConnection(Client.java:558)
> 	at org.apache.hadoop.ipc.Client$Connection.access$1800(Client.java:373)
> 	at org.apache.hadoop.ipc.Client$Connection$2.run(Client.java:727)
> 	at org.apache.hadoop.ipc.Client$Connection$2.run(Client.java:723)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:422)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
> 	at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:722)
> 	... 38 more
> Caused by: GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)
> 	at sun.security.jgss.krb5.Krb5InitCredential.getInstance(Krb5InitCredential.java:147)
> 	at sun.security.jgss.krb5.Krb5MechFactory.getCredentialElement(Krb5MechFactory.java:122)
> 	at sun.security.jgss.krb5.Krb5MechFactory.getMechanismContext(Krb5MechFactory.java:187)
> 	at sun.security.jgss.GSSManagerImpl.getMechanismContext(GSSManagerImpl.java:224)
> 	at sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:212)
> 	at sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:179)
> 	at com.sun.security.sasl.gsskerb.GssKrb5Client.evaluateChallenge(GssKrb5Client.java:192)
> 	... 47 more
> 15/07/16 13:02:13 WARN ipc.Client: Exception encountered while connecting to the server : javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 15/07/16 13:02:13 INFO retry.RetryInvocationHandler: Exception while invoking getFileInfo of class ClientNamenodeProtocolTranslatorPB over jolokia1.labs.teradata.com/39.0.16.1:8020 after 12 fail over attempts. Trying to fail over immediately.
> java.io.IOException: Failed on local exception: java.io.IOException: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]; Host Details : local host is: "jolokia3.labs.teradata.com/39.0.16.3"; destination host is: "jolokia1.labs.teradata.com":8020; 
> 	at org.apache.hadoop.net.NetUtils.wrapException(NetUtils.java:773)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1431)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1358)
> 	at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:229)
> 	at com.sun.proxy.$Proxy10.getFileInfo(Unknown Source)
> 	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.getFileInfo(ClientNamenodeProtocolTranslatorPB.java:771)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:187)
> 	at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:102)
> 	at com.sun.proxy.$Proxy11.getFileInfo(Unknown Source)
> 	at org.apache.hadoop.hdfs.DFSClient.getFileInfo(DFSClient.java:2116)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem$22.doCall(DistributedFileSystem.java:1305)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem$22.doCall(DistributedFileSystem.java:1301)
> 	at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem.getFileStatus(DistributedFileSystem.java:1301)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.runMapReduce(SequenceFilesFromDirectory.java:162)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.run(SequenceFilesFromDirectory.java:91)
> 	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
> 	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:84)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.main(SequenceFilesFromDirectory.java:65)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.util.ProgramDriver$ProgramDescription.invoke(ProgramDriver.java:71)
> 	at org.apache.hadoop.util.ProgramDriver.run(ProgramDriver.java:144)
> 	at org.apache.hadoop.util.ProgramDriver.driver(ProgramDriver.java:152)
> 	at org.apache.mahout.driver.MahoutDriver.main(MahoutDriver.java:195)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.util.RunJar.run(RunJar.java:221)
> 	at org.apache.hadoop.util.RunJar.main(RunJar.java:136)
> Caused by: java.io.IOException: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 	at org.apache.hadoop.ipc.Client$Connection$1.run(Client.java:685)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:422)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
> 	at org.apache.hadoop.ipc.Client$Connection.handleSaslConnectionFailure(Client.java:648)
> 	at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:735)
> 	at org.apache.hadoop.ipc.Client$Connection.access$2800(Client.java:373)
> 	at org.apache.hadoop.ipc.Client.getConnection(Client.java:1493)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1397)
> 	... 35 more
> Caused by: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 	at com.sun.security.sasl.gsskerb.GssKrb5Client.evaluateChallenge(GssKrb5Client.java:211)
> 	at org.apache.hadoop.security.SaslRpcClient.saslConnect(SaslRpcClient.java:413)
> 	at org.apache.hadoop.ipc.Client$Connection.setupSaslConnection(Client.java:558)
> 	at org.apache.hadoop.ipc.Client$Connection.access$1800(Client.java:373)
> 	at org.apache.hadoop.ipc.Client$Connection$2.run(Client.java:727)
> 	at org.apache.hadoop.ipc.Client$Connection$2.run(Client.java:723)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:422)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
> 	at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:722)
> 	... 38 more
> Caused by: GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)
> 	at sun.security.jgss.krb5.Krb5InitCredential.getInstance(Krb5InitCredential.java:147)
> 	at sun.security.jgss.krb5.Krb5MechFactory.getCredentialElement(Krb5MechFactory.java:122)
> 	at sun.security.jgss.krb5.Krb5MechFactory.getMechanismContext(Krb5MechFactory.java:187)
> 	at sun.security.jgss.GSSManagerImpl.getMechanismContext(GSSManagerImpl.java:224)
> 	at sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:212)
> 	at sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:179)
> 	at com.sun.security.sasl.gsskerb.GssKrb5Client.evaluateChallenge(GssKrb5Client.java:192)
> 	... 47 more
> 15/07/16 13:02:13 WARN ipc.Client: Exception encountered while connecting to the server : javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 15/07/16 13:02:13 INFO retry.RetryInvocationHandler: Exception while invoking getFileInfo of class ClientNamenodeProtocolTranslatorPB over jolokia2.labs.teradata.com/39.0.16.2:8020 after 13 fail over attempts. Trying to fail over immediately.
> java.io.IOException: Failed on local exception: java.io.IOException: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]; Host Details : local host is: "jolokia3.labs.teradata.com/39.0.16.3"; destination host is: "jolokia2.labs.teradata.com":8020; 
> 	at org.apache.hadoop.net.NetUtils.wrapException(NetUtils.java:773)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1431)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1358)
> 	at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:229)
> 	at com.sun.proxy.$Proxy10.getFileInfo(Unknown Source)
> 	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.getFileInfo(ClientNamenodeProtocolTranslatorPB.java:771)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:187)
> 	at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:102)
> 	at com.sun.proxy.$Proxy11.getFileInfo(Unknown Source)
> 	at org.apache.hadoop.hdfs.DFSClient.getFileInfo(DFSClient.java:2116)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem$22.doCall(DistributedFileSystem.java:1305)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem$22.doCall(DistributedFileSystem.java:1301)
> 	at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem.getFileStatus(DistributedFileSystem.java:1301)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.runMapReduce(SequenceFilesFromDirectory.java:162)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.run(SequenceFilesFromDirectory.java:91)
> 	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
> 	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:84)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.main(SequenceFilesFromDirectory.java:65)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.util.ProgramDriver$ProgramDescription.invoke(ProgramDriver.java:71)
> 	at org.apache.hadoop.util.ProgramDriver.run(ProgramDriver.java:144)
> 	at org.apache.hadoop.util.ProgramDriver.driver(ProgramDriver.java:152)
> 	at org.apache.mahout.driver.MahoutDriver.main(MahoutDriver.java:195)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.util.RunJar.run(RunJar.java:221)
> 	at org.apache.hadoop.util.RunJar.main(RunJar.java:136)
> Caused by: java.io.IOException: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 	at org.apache.hadoop.ipc.Client$Connection$1.run(Client.java:685)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:422)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
> 	at org.apache.hadoop.ipc.Client$Connection.handleSaslConnectionFailure(Client.java:648)
> 	at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:735)
> 	at org.apache.hadoop.ipc.Client$Connection.access$2800(Client.java:373)
> 	at org.apache.hadoop.ipc.Client.getConnection(Client.java:1493)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1397)
> 	... 35 more
> Caused by: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 	at com.sun.security.sasl.gsskerb.GssKrb5Client.evaluateChallenge(GssKrb5Client.java:211)
> 	at org.apache.hadoop.security.SaslRpcClient.saslConnect(SaslRpcClient.java:413)
> 	at org.apache.hadoop.ipc.Client$Connection.setupSaslConnection(Client.java:558)
> 	at org.apache.hadoop.ipc.Client$Connection.access$1800(Client.java:373)
> 	at org.apache.hadoop.ipc.Client$Connection$2.run(Client.java:727)
> 	at org.apache.hadoop.ipc.Client$Connection$2.run(Client.java:723)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:422)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
> 	at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:722)
> 	... 38 more
> Caused by: GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)
> 	at sun.security.jgss.krb5.Krb5InitCredential.getInstance(Krb5InitCredential.java:147)
> 	at sun.security.jgss.krb5.Krb5MechFactory.getCredentialElement(Krb5MechFactory.java:122)
> 	at sun.security.jgss.krb5.Krb5MechFactory.getMechanismContext(Krb5MechFactory.java:187)
> 	at sun.security.jgss.GSSManagerImpl.getMechanismContext(GSSManagerImpl.java:224)
> 	at sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:212)
> 	at sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:179)
> 	at com.sun.security.sasl.gsskerb.GssKrb5Client.evaluateChallenge(GssKrb5Client.java:192)
> 	... 47 more
> 15/07/16 13:02:13 WARN ipc.Client: Exception encountered while connecting to the server : javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 15/07/16 13:02:13 INFO retry.RetryInvocationHandler: Exception while invoking getFileInfo of class ClientNamenodeProtocolTranslatorPB over jolokia1.labs.teradata.com/39.0.16.1:8020 after 14 fail over attempts. Trying to fail over immediately.
> java.io.IOException: Failed on local exception: java.io.IOException: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]; Host Details : local host is: "jolokia3.labs.teradata.com/39.0.16.3"; destination host is: "jolokia1.labs.teradata.com":8020; 
> 	at org.apache.hadoop.net.NetUtils.wrapException(NetUtils.java:773)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1431)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1358)
> 	at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:229)
> 	at com.sun.proxy.$Proxy10.getFileInfo(Unknown Source)
> 	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.getFileInfo(ClientNamenodeProtocolTranslatorPB.java:771)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:187)
> 	at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:102)
> 	at com.sun.proxy.$Proxy11.getFileInfo(Unknown Source)
> 	at org.apache.hadoop.hdfs.DFSClient.getFileInfo(DFSClient.java:2116)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem$22.doCall(DistributedFileSystem.java:1305)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem$22.doCall(DistributedFileSystem.java:1301)
> 	at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem.getFileStatus(DistributedFileSystem.java:1301)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.runMapReduce(SequenceFilesFromDirectory.java:162)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.run(SequenceFilesFromDirectory.java:91)
> 	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
> 	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:84)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.main(SequenceFilesFromDirectory.java:65)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.util.ProgramDriver$ProgramDescription.invoke(ProgramDriver.java:71)
> 	at org.apache.hadoop.util.ProgramDriver.run(ProgramDriver.java:144)
> 	at org.apache.hadoop.util.ProgramDriver.driver(ProgramDriver.java:152)
> 	at org.apache.mahout.driver.MahoutDriver.main(MahoutDriver.java:195)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.util.RunJar.run(RunJar.java:221)
> 	at org.apache.hadoop.util.RunJar.main(RunJar.java:136)
> Caused by: java.io.IOException: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 	at org.apache.hadoop.ipc.Client$Connection$1.run(Client.java:685)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:422)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
> 	at org.apache.hadoop.ipc.Client$Connection.handleSaslConnectionFailure(Client.java:648)
> 	at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:735)
> 	at org.apache.hadoop.ipc.Client$Connection.access$2800(Client.java:373)
> 	at org.apache.hadoop.ipc.Client.getConnection(Client.java:1493)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1397)
> 	... 35 more
> Caused by: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 	at com.sun.security.sasl.gsskerb.GssKrb5Client.evaluateChallenge(GssKrb5Client.java:211)
> 	at org.apache.hadoop.security.SaslRpcClient.saslConnect(SaslRpcClient.java:413)
> 	at org.apache.hadoop.ipc.Client$Connection.setupSaslConnection(Client.java:558)
> 	at org.apache.hadoop.ipc.Client$Connection.access$1800(Client.java:373)
> 	at org.apache.hadoop.ipc.Client$Connection$2.run(Client.java:727)
> 	at org.apache.hadoop.ipc.Client$Connection$2.run(Client.java:723)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:422)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
> 	at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:722)
> 	... 38 more
> Caused by: GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)
> 	at sun.security.jgss.krb5.Krb5InitCredential.getInstance(Krb5InitCredential.java:147)
> 	at sun.security.jgss.krb5.Krb5MechFactory.getCredentialElement(Krb5MechFactory.java:122)
> 	at sun.security.jgss.krb5.Krb5MechFactory.getMechanismContext(Krb5MechFactory.java:187)
> 	at sun.security.jgss.GSSManagerImpl.getMechanismContext(GSSManagerImpl.java:224)
> 	at sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:212)
> 	at sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:179)
> 	at com.sun.security.sasl.gsskerb.GssKrb5Client.evaluateChallenge(GssKrb5Client.java:192)
> 	... 47 more
> 15/07/16 13:02:13 WARN ipc.Client: Exception encountered while connecting to the server : javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 15/07/16 13:02:13 WARN retry.RetryInvocationHandler: Exception while invoking class org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.getFileInfo over jolokia2.labs.teradata.com/39.0.16.2:8020. Not retrying because failovers (15) exceeded maximum allowed (15)
> java.io.IOException: Failed on local exception: java.io.IOException: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]; Host Details : local host is: "jolokia3.labs.teradata.com/39.0.16.3"; destination host is: "jolokia2.labs.teradata.com":8020; 
> 	at org.apache.hadoop.net.NetUtils.wrapException(NetUtils.java:773)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1431)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1358)
> 	at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:229)
> 	at com.sun.proxy.$Proxy10.getFileInfo(Unknown Source)
> 	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.getFileInfo(ClientNamenodeProtocolTranslatorPB.java:771)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:187)
> 	at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:102)
> 	at com.sun.proxy.$Proxy11.getFileInfo(Unknown Source)
> 	at org.apache.hadoop.hdfs.DFSClient.getFileInfo(DFSClient.java:2116)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem$22.doCall(DistributedFileSystem.java:1305)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem$22.doCall(DistributedFileSystem.java:1301)
> 	at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem.getFileStatus(DistributedFileSystem.java:1301)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.runMapReduce(SequenceFilesFromDirectory.java:162)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.run(SequenceFilesFromDirectory.java:91)
> 	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
> 	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:84)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.main(SequenceFilesFromDirectory.java:65)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.util.ProgramDriver$ProgramDescription.invoke(ProgramDriver.java:71)
> 	at org.apache.hadoop.util.ProgramDriver.run(ProgramDriver.java:144)
> 	at org.apache.hadoop.util.ProgramDriver.driver(ProgramDriver.java:152)
> 	at org.apache.mahout.driver.MahoutDriver.main(MahoutDriver.java:195)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.util.RunJar.run(RunJar.java:221)
> 	at org.apache.hadoop.util.RunJar.main(RunJar.java:136)
> Caused by: java.io.IOException: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 	at org.apache.hadoop.ipc.Client$Connection$1.run(Client.java:685)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:422)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
> 	at org.apache.hadoop.ipc.Client$Connection.handleSaslConnectionFailure(Client.java:648)
> 	at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:735)
> 	at org.apache.hadoop.ipc.Client$Connection.access$2800(Client.java:373)
> 	at org.apache.hadoop.ipc.Client.getConnection(Client.java:1493)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1397)
> 	... 35 more
> Caused by: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 	at com.sun.security.sasl.gsskerb.GssKrb5Client.evaluateChallenge(GssKrb5Client.java:211)
> 	at org.apache.hadoop.security.SaslRpcClient.saslConnect(SaslRpcClient.java:413)
> 	at org.apache.hadoop.ipc.Client$Connection.setupSaslConnection(Client.java:558)
> 	at org.apache.hadoop.ipc.Client$Connection.access$1800(Client.java:373)
> 	at org.apache.hadoop.ipc.Client$Connection$2.run(Client.java:727)
> 	at org.apache.hadoop.ipc.Client$Connection$2.run(Client.java:723)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:422)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
> 	at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:722)
> 	... 38 more
> Caused by: GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)
> 	at sun.security.jgss.krb5.Krb5InitCredential.getInstance(Krb5InitCredential.java:147)
> 	at sun.security.jgss.krb5.Krb5MechFactory.getCredentialElement(Krb5MechFactory.java:122)
> 	at sun.security.jgss.krb5.Krb5MechFactory.getMechanismContext(Krb5MechFactory.java:187)
> 	at sun.security.jgss.GSSManagerImpl.getMechanismContext(GSSManagerImpl.java:224)
> 	at sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:212)
> 	at sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:179)
> 	at com.sun.security.sasl.gsskerb.GssKrb5Client.evaluateChallenge(GssKrb5Client.java:192)
> 	... 47 more
> Exception in thread "main" java.io.IOException: Failed on local exception: java.io.IOException: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]; Host Details : local host is: "jolokia3.labs.teradata.com/39.0.16.3"; destination host is: "jolokia2.labs.teradata.com":8020; 
> 	at org.apache.hadoop.net.NetUtils.wrapException(NetUtils.java:773)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1431)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1358)
> 	at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:229)
> 	at com.sun.proxy.$Proxy10.getFileInfo(Unknown Source)
> 	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.getFileInfo(ClientNamenodeProtocolTranslatorPB.java:771)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:187)
> 	at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:102)
> 	at com.sun.proxy.$Proxy11.getFileInfo(Unknown Source)
> 	at org.apache.hadoop.hdfs.DFSClient.getFileInfo(DFSClient.java:2116)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem$22.doCall(DistributedFileSystem.java:1305)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem$22.doCall(DistributedFileSystem.java:1301)
> 	at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem.getFileStatus(DistributedFileSystem.java:1301)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.runMapReduce(SequenceFilesFromDirectory.java:162)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.run(SequenceFilesFromDirectory.java:91)
> 	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
> 	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:84)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.main(SequenceFilesFromDirectory.java:65)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.util.ProgramDriver$ProgramDescription.invoke(ProgramDriver.java:71)
> 	at org.apache.hadoop.util.ProgramDriver.run(ProgramDriver.java:144)
> 	at org.apache.hadoop.util.ProgramDriver.driver(ProgramDriver.java:152)
> 	at org.apache.mahout.driver.MahoutDriver.main(MahoutDriver.java:195)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.util.RunJar.run(RunJar.java:221)
> 	at org.apache.hadoop.util.RunJar.main(RunJar.java:136)
> Caused by: java.io.IOException: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 	at org.apache.hadoop.ipc.Client$Connection$1.run(Client.java:685)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:422)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
> 	at org.apache.hadoop.ipc.Client$Connection.handleSaslConnectionFailure(Client.java:648)
> 	at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:735)
> 	at org.apache.hadoop.ipc.Client$Connection.access$2800(Client.java:373)
> 	at org.apache.hadoop.ipc.Client.getConnection(Client.java:1493)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1397)
> 	... 35 more
> Caused by: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 	at com.sun.security.sasl.gsskerb.GssKrb5Client.evaluateChallenge(GssKrb5Client.java:211)
> 	at org.apache.hadoop.security.SaslRpcClient.saslConnect(SaslRpcClient.java:413)
> 	at org.apache.hadoop.ipc.Client$Connection.setupSaslConnection(Client.java:558)
> 	at org.apache.hadoop.ipc.Client$Connection.access$1800(Client.java:373)
> 	at org.apache.hadoop.ipc.Client$Connection$2.run(Client.java:727)
> 	at org.apache.hadoop.ipc.Client$Connection$2.run(Client.java:723)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:422)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
> 	at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:722)
> 	... 38 more
> Caused by: GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)
> 	at sun.security.jgss.krb5.Krb5InitCredential.getInstance(Krb5InitCredential.java:147)
> 	at sun.security.jgss.krb5.Krb5MechFactory.getCredentialElement(Krb5MechFactory.java:122)
> 	at sun.security.jgss.krb5.Krb5MechFactory.getMechanismContext(Krb5MechFactory.java:187)
> 	at sun.security.jgss.GSSManagerImpl.getMechanismContext(GSSManagerImpl.java:224)
> 	at sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:212)
> 	at sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:179)
> 	at com.sun.security.sasl.gsskerb.GssKrb5Client.evaluateChallenge(GssKrb5Client.java:192)
> 	... 47 more
> {code}
> stdout:
> {code}
> 2015-07-16 13:01:44,290 - File['/var/lib/ambari-agent/data/tmp/sample-mahout-test.txt'] {'content': 'Test text which will be converted to sequence file.', 'mode': 0755}
> 2015-07-16 13:01:44,291 - HdfsResource['/user/ambari-qa/mahoutsmokeoutput'] {'security_enabled': True, 'hadoop_bin_dir': '/usr/hdp/current/hadoop-client/bin', 'keytab': '/etc/security/keytabs/hdfs.headless.keytab', 'default_fs': 'hdfs://JOLOKIA', 'hdfs_site': ..., 'kinit_path_local': '/usr/bin/kinit', 'principal_name': 'hdfs-JOLOKIA@JOLOKIA.HADOOP.TERADATA.COM', 'user': 'hdfs', 'action': ['delete_on_execute'], 'hadoop_conf_dir': '/usr/hdp/current/hadoop-client/conf', 'type': 'directory'}
> 2015-07-16 13:01:44,292 - Execute['/usr/bin/kinit -kt /etc/security/keytabs/hdfs.headless.keytab hdfs-JOLOKIA@JOLOKIA.HADOOP.TERADATA.COM'] {'user': 'hdfs'}
> 2015-07-16 13:01:44,339 - checked_call['curl --negotiate -u : -s 'http://jolokia1.labs.teradata.com:50070/jmx?qry=Hadoop:service=NameNode,name=NameNodeStatus''] {'user': 'hdfs', 'quiet': False}
> 2015-07-16 13:01:44,387 - checked_call returned (0, '{\n  "beans" : [ {\n    "name" : "Hadoop:service=NameNode,name=NameNodeStatus",\n    "modelerType" : "org.apache.hadoop.hdfs.server.namenode.NameNode",\n    "NNRole" : "NameNode",\n    "HostAndPort" : "jolokia1.labs.teradata.com:8020",\n    "SecurityEnabled" : true,\n    "LastHATransitionTime" : 1437065113951,\n    "State" : "active"\n  } ]\n}')
> 2015-07-16 13:01:44,387 - checked_call['curl --negotiate -u : -s 'http://jolokia2.labs.teradata.com:50070/jmx?qry=Hadoop:service=NameNode,name=NameNodeStatus''] {'user': 'hdfs', 'quiet': False}
> 2015-07-16 13:01:44,437 - checked_call returned (0, '{\n  "beans" : [ {\n    "name" : "Hadoop:service=NameNode,name=NameNodeStatus",\n    "modelerType" : "org.apache.hadoop.hdfs.server.namenode.NameNode",\n    "State" : "standby",\n    "NNRole" : "NameNode",\n    "HostAndPort" : "jolokia2.labs.teradata.com:8020",\n    "SecurityEnabled" : true,\n    "LastHATransitionTime" : 0\n  } ]\n}')
> 2015-07-16 13:01:44,438 - checked_call['curl --negotiate -u : -s 'http://jolokia1.labs.teradata.com:50070/jmx?qry=Hadoop:service=NameNode,name=NameNodeStatus''] {'user': 'hdfs', 'quiet': False}
> 2015-07-16 13:01:44,486 - checked_call returned (0, '{\n  "beans" : [ {\n    "name" : "Hadoop:service=NameNode,name=NameNodeStatus",\n    "modelerType" : "org.apache.hadoop.hdfs.server.namenode.NameNode",\n    "NNRole" : "NameNode",\n    "HostAndPort" : "jolokia1.labs.teradata.com:8020",\n    "SecurityEnabled" : true,\n    "LastHATransitionTime" : 1437065113951,\n    "State" : "active"\n  } ]\n}')
> 2015-07-16 13:01:44,487 - checked_call['curl --negotiate -u : -s 'http://jolokia2.labs.teradata.com:50070/jmx?qry=Hadoop:service=NameNode,name=NameNodeStatus''] {'user': 'hdfs', 'quiet': False}
> 2015-07-16 13:01:44,539 - checked_call returned (0, '{\n  "beans" : [ {\n    "name" : "Hadoop:service=NameNode,name=NameNodeStatus",\n    "modelerType" : "org.apache.hadoop.hdfs.server.namenode.NameNode",\n    "State" : "standby",\n    "NNRole" : "NameNode",\n    "HostAndPort" : "jolokia2.labs.teradata.com:8020",\n    "SecurityEnabled" : true,\n    "LastHATransitionTime" : 0\n  } ]\n}')
> 2015-07-16 13:01:44,540 - checked_call['curl -sS -L -w '%{http_code}' -X GET --negotiate -u : 'http://jolokia1.labs.teradata.com:50070/webhdfs/v1/user/ambari-qa/mahoutsmokeoutput?op=GETFILESTATUS&user.name=hdfs''] {'logoutput': None, 'user': 'hdfs', 'stderr': -1, 'quiet': False}
> 2015-07-16 13:01:44,595 - checked_call returned (0, '{"FileStatus":{"accessTime":0,"blockSize":0,"childrenNum":2,"fileId":21131,"group":"hdfs","length":0,"modificationTime":1437065244343,"owner":"ambari-qa","pathSuffix":"","permission":"755","replication":0,"storagePolicy":0,"type":"DIRECTORY"}}200', '')
> 2015-07-16 13:01:44,596 - checked_call['curl -sS -L -w '%{http_code}' -X DELETE --negotiate -u : 'http://jolokia1.labs.teradata.com:50070/webhdfs/v1/user/ambari-qa/mahoutsmokeoutput?op=DELETE&user.name=hdfs&recursive=True''] {'logoutput': None, 'user': 'hdfs', 'stderr': -1, 'quiet': False}
> 2015-07-16 13:01:44,651 - checked_call returned (0, '{"boolean":true}200', '')
> 2015-07-16 13:01:44,652 - HdfsResource['/user/ambari-qa/mahoutsmokeinput'] {'security_enabled': True, 'hadoop_bin_dir': '/usr/hdp/current/hadoop-client/bin', 'keytab': '/etc/security/keytabs/hdfs.headless.keytab', 'default_fs': 'hdfs://JOLOKIA', 'hdfs_site': ..., 'kinit_path_local': '/usr/bin/kinit', 'principal_name': 'hdfs-JOLOKIA@JOLOKIA.HADOOP.TERADATA.COM', 'user': 'hdfs', 'owner': 'ambari-qa', 'hadoop_conf_dir': '/usr/hdp/current/hadoop-client/conf', 'type': 'directory', 'action': ['create_on_execute']}
> 2015-07-16 13:01:44,652 - Execute['/usr/bin/kinit -kt /etc/security/keytabs/hdfs.headless.keytab hdfs-JOLOKIA@JOLOKIA.HADOOP.TERADATA.COM'] {'user': 'hdfs'}
> 2015-07-16 13:01:44,699 - checked_call['curl --negotiate -u : -s 'http://jolokia1.labs.teradata.com:50070/jmx?qry=Hadoop:service=NameNode,name=NameNodeStatus''] {'user': 'hdfs', 'quiet': False}
> 2015-07-16 13:01:44,746 - checked_call returned (0, '{\n  "beans" : [ {\n    "name" : "Hadoop:service=NameNode,name=NameNodeStatus",\n    "modelerType" : "org.apache.hadoop.hdfs.server.namenode.NameNode",\n    "NNRole" : "NameNode",\n    "HostAndPort" : "jolokia1.labs.teradata.com:8020",\n    "SecurityEnabled" : true,\n    "LastHATransitionTime" : 1437065113951,\n    "State" : "active"\n  } ]\n}')
> 2015-07-16 13:01:44,747 - checked_call['curl --negotiate -u : -s 'http://jolokia2.labs.teradata.com:50070/jmx?qry=Hadoop:service=NameNode,name=NameNodeStatus''] {'user': 'hdfs', 'quiet': False}
> 2015-07-16 13:01:44,794 - checked_call returned (0, '{\n  "beans" : [ {\n    "name" : "Hadoop:service=NameNode,name=NameNodeStatus",\n    "modelerType" : "org.apache.hadoop.hdfs.server.namenode.NameNode",\n    "State" : "standby",\n    "NNRole" : "NameNode",\n    "HostAndPort" : "jolokia2.labs.teradata.com:8020",\n    "SecurityEnabled" : true,\n    "LastHATransitionTime" : 0\n  } ]\n}')
> 2015-07-16 13:01:44,795 - checked_call['curl --negotiate -u : -s 'http://jolokia1.labs.teradata.com:50070/jmx?qry=Hadoop:service=NameNode,name=NameNodeStatus''] {'user': 'hdfs', 'quiet': False}
> 2015-07-16 13:01:44,843 - checked_call returned (0, '{\n  "beans" : [ {\n    "name" : "Hadoop:service=NameNode,name=NameNodeStatus",\n    "modelerType" : "org.apache.hadoop.hdfs.server.namenode.NameNode",\n    "NNRole" : "NameNode",\n    "HostAndPort" : "jolokia1.labs.teradata.com:8020",\n    "SecurityEnabled" : true,\n    "LastHATransitionTime" : 1437065113951,\n    "State" : "active"\n  } ]\n}')
> 2015-07-16 13:01:44,843 - checked_call['curl --negotiate -u : -s 'http://jolokia2.labs.teradata.com:50070/jmx?qry=Hadoop:service=NameNode,name=NameNodeStatus''] {'user': 'hdfs', 'quiet': False}
> 2015-07-16 13:01:44,891 - checked_call returned (0, '{\n  "beans" : [ {\n    "name" : "Hadoop:service=NameNode,name=NameNodeStatus",\n    "modelerType" : "org.apache.hadoop.hdfs.server.namenode.NameNode",\n    "State" : "standby",\n    "NNRole" : "NameNode",\n    "HostAndPort" : "jolokia2.labs.teradata.com:8020",\n    "SecurityEnabled" : true,\n    "LastHATransitionTime" : 0\n  } ]\n}')
> 2015-07-16 13:01:44,892 - checked_call['curl -sS -L -w '%{http_code}' -X GET --negotiate -u : 'http://jolokia1.labs.teradata.com:50070/webhdfs/v1/user/ambari-qa/mahoutsmokeinput?op=GETFILESTATUS&user.name=hdfs''] {'logoutput': None, 'user': 'hdfs', 'stderr': -1, 'quiet': False}
> 2015-07-16 13:01:44,947 - checked_call returned (0, '{"FileStatus":{"accessTime":0,"blockSize":0,"childrenNum":1,"fileId":21112,"group":"hdfs","length":0,"modificationTime":1437065215565,"owner":"ambari-qa","pathSuffix":"","permission":"755","replication":0,"storagePolicy":0,"type":"DIRECTORY"}}200', '')
> 2015-07-16 13:01:44,948 - HdfsResource['/user/ambari-qa/mahoutsmokeinput/sample-mahout-test.txt'] {'security_enabled': True, 'hadoop_bin_dir': '/usr/hdp/current/hadoop-client/bin', 'keytab': '/etc/security/keytabs/hdfs.headless.keytab', 'source': '/var/lib/ambari-agent/data/tmp/sample-mahout-test.txt', 'default_fs': 'hdfs://JOLOKIA', 'hdfs_site': ..., 'kinit_path_local': '/usr/bin/kinit', 'principal_name': 'hdfs-JOLOKIA@JOLOKIA.HADOOP.TERADATA.COM', 'user': 'hdfs', 'owner': 'ambari-qa', 'hadoop_conf_dir': '/usr/hdp/current/hadoop-client/conf', 'type': 'file', 'action': ['create_on_execute']}
> 2015-07-16 13:01:44,948 - Execute['/usr/bin/kinit -kt /etc/security/keytabs/hdfs.headless.keytab hdfs-JOLOKIA@JOLOKIA.HADOOP.TERADATA.COM'] {'user': 'hdfs'}
> 2015-07-16 13:01:44,996 - checked_call['curl --negotiate -u : -s 'http://jolokia1.labs.teradata.com:50070/jmx?qry=Hadoop:service=NameNode,name=NameNodeStatus''] {'user': 'hdfs', 'quiet': False}
> 2015-07-16 13:01:45,045 - checked_call returned (0, '{\n  "beans" : [ {\n    "name" : "Hadoop:service=NameNode,name=NameNodeStatus",\n    "modelerType" : "org.apache.hadoop.hdfs.server.namenode.NameNode",\n    "NNRole" : "NameNode",\n    "HostAndPort" : "jolokia1.labs.teradata.com:8020",\n    "SecurityEnabled" : true,\n    "LastHATransitionTime" : 1437065113951,\n    "State" : "active"\n  } ]\n}')
> 2015-07-16 13:01:45,045 - checked_call['curl --negotiate -u : -s 'http://jolokia2.labs.teradata.com:50070/jmx?qry=Hadoop:service=NameNode,name=NameNodeStatus''] {'user': 'hdfs', 'quiet': False}
> 2015-07-16 13:01:45,095 - checked_call returned (0, '{\n  "beans" : [ {\n    "name" : "Hadoop:service=NameNode,name=NameNodeStatus",\n    "modelerType" : "org.apache.hadoop.hdfs.server.namenode.NameNode",\n    "State" : "standby",\n    "NNRole" : "NameNode",\n    "HostAndPort" : "jolokia2.labs.teradata.com:8020",\n    "SecurityEnabled" : true,\n    "LastHATransitionTime" : 0\n  } ]\n}')
> 2015-07-16 13:01:45,096 - checked_call['curl --negotiate -u : -s 'http://jolokia1.labs.teradata.com:50070/jmx?qry=Hadoop:service=NameNode,name=NameNodeStatus''] {'user': 'hdfs', 'quiet': False}
> 2015-07-16 13:01:45,146 - checked_call returned (0, '{\n  "beans" : [ {\n    "name" : "Hadoop:service=NameNode,name=NameNodeStatus",\n    "modelerType" : "org.apache.hadoop.hdfs.server.namenode.NameNode",\n    "NNRole" : "NameNode",\n    "HostAndPort" : "jolokia1.labs.teradata.com:8020",\n    "SecurityEnabled" : true,\n    "LastHATransitionTime" : 1437065113951,\n    "State" : "active"\n  } ]\n}')
> 2015-07-16 13:01:45,146 - checked_call['curl --negotiate -u : -s 'http://jolokia2.labs.teradata.com:50070/jmx?qry=Hadoop:service=NameNode,name=NameNodeStatus''] {'user': 'hdfs', 'quiet': False}
> 2015-07-16 13:01:45,196 - checked_call returned (0, '{\n  "beans" : [ {\n    "name" : "Hadoop:service=NameNode,name=NameNodeStatus",\n    "modelerType" : "org.apache.hadoop.hdfs.server.namenode.NameNode",\n    "State" : "standby",\n    "NNRole" : "NameNode",\n    "HostAndPort" : "jolokia2.labs.teradata.com:8020",\n    "SecurityEnabled" : true,\n    "LastHATransitionTime" : 0\n  } ]\n}')
> 2015-07-16 13:01:45,197 - checked_call['curl -sS -L -w '%{http_code}' -X GET --negotiate -u : 'http://jolokia1.labs.teradata.com:50070/webhdfs/v1/user/ambari-qa/mahoutsmokeinput/sample-mahout-test.txt?op=GETFILESTATUS&user.name=hdfs''] {'logoutput': None, 'user': 'hdfs', 'stderr': -1, 'quiet': False}
> 2015-07-16 13:01:45,252 - checked_call returned (0, '{"FileStatus":{"accessTime":1437065215565,"blockSize":134217728,"childrenNum":0,"fileId":21113,"group":"hdfs","length":51,"modificationTime":1437065215651,"owner":"ambari-qa","pathSuffix":"","permission":"755","replication":3,"storagePolicy":0,"type":"FILE"}}200', '')
> 2015-07-16 13:01:45,253 - DFS file /user/ambari-qa/mahoutsmokeinput/sample-mahout-test.txt is identical to /var/lib/ambari-agent/data/tmp/sample-mahout-test.txt, skipping the copying
> 2015-07-16 13:01:45,253 - HdfsResource['None'] {'security_enabled': True, 'hadoop_bin_dir': '/usr/hdp/current/hadoop-client/bin', 'keytab': '/etc/security/keytabs/hdfs.headless.keytab', 'default_fs': 'hdfs://JOLOKIA', 'hdfs_site': ..., 'kinit_path_local': '/usr/bin/kinit', 'principal_name': 'hdfs-JOLOKIA@JOLOKIA.HADOOP.TERADATA.COM', 'user': 'hdfs', 'action': ['execute'], 'hadoop_conf_dir': '/usr/hdp/current/hadoop-client/conf'}
> 2015-07-16 13:01:45,254 - Execute['mahout seqdirectory --input /user/ambari-qa/mahoutsmokeinput/sample-mahout-test.txt --output /user/ambari-qa/mahoutsmokeoutput/ --charset utf-8'] {'environment': {'JAVA_HOME': '/opt/teradata/jvm64/jdk8', 'HADOOP_CONF_DIR': '/usr/hdp/current/hadoop-client/conf', 'HADOOP_HOME': '/usr/hdp/current/hadoop-client', 'MAHOUT_HOME': '/usr/hdp/current/mahout-client'}, 'path': ['/usr/sbin:/sbin:/usr/local/bin:/bin:/usr/bin'], 'tries': 3, 'user': 'ambari-qa', 'try_sleep': 5}
> 2015-07-16 13:01:51,715 - Retrying after 5 seconds. Reason: Execution of 'mahout seqdirectory --input /user/ambari-qa/mahoutsmokeinput/sample-mahout-test.txt --output /user/ambari-qa/mahoutsmokeoutput/ --charset utf-8' returned 1. MAHOUT_LOCAL is not set; adding HADOOP_CONF_DIR to classpath.
> Running on hadoop, using /usr/hdp/current/hadoop-client/bin/hadoop and HADOOP_CONF_DIR=/usr/hdp/current/hadoop-client/conf
> MAHOUT-JOB: /usr/hdp/2.3.0.0-2557/mahout/mahout-examples-0.9.0.2.3.0.0-2557-job.jar
> WARNING: Use "yarn jar" to launch YARN applications.
> 15/07/16 13:01:49 WARN driver.MahoutDriver: No seqdirectory.props found on classpath, will use command-line arguments only
> 15/07/16 13:01:49 INFO common.AbstractJob: Command line arguments: {--charset=[utf-8], --chunkSize=[64], --endPhase=[2147483647], --fileFilterClass=[org.apache.mahout.text.PrefixAdditionFilter], --input=[/user/ambari-qa/mahoutsmokeinput/sample-mahout-test.txt], --keyPrefix=[], --method=[mapreduce], --output=[/user/ambari-qa/mahoutsmokeoutput/], --startPhase=[0], --tempDir=[temp]}
> 15/07/16 13:01:50 WARN ipc.Client: Exception encountered while connecting to the server : javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 15/07/16 13:01:50 WARN ipc.Client: Exception encountered while connecting to the server : javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 15/07/16 13:01:50 INFO retry.RetryInvocationHandler: Exception while invoking getFileInfo of class ClientNamenodeProtocolTranslatorPB over jolokia2.labs.teradata.com/39.0.16.2:8020 after 1 fail over attempts. Trying to fail over immediately.
> java.io.IOException: Failed on local exception: java.io.IOException: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]; Host Details : local host is: "jolokia3.labs.teradata.com/39.0.16.3"; destination host is: "jolokia2.labs.teradata.com":8020; 
> 	at org.apache.hadoop.net.NetUtils.wrapException(NetUtils.java:773)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1431)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1358)
> 	at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:229)
> 	at com.sun.proxy.$Proxy10.getFileInfo(Unknown Source)
> 	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.getFileInfo(ClientNamenodeProtocolTranslatorPB.java:771)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:187)
> 	at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:102)
> 	at com.sun.proxy.$Proxy11.getFileInfo(Unknown Source)
> 	at org.apache.hadoop.hdfs.DFSClient.getFileInfo(DFSClient.java:2116)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem$22.doCall(DistributedFileSystem.java:1305)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem$22.doCall(DistributedFileSystem.java:1301)
> 	at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem.getFileStatus(DistributedFileSystem.java:1301)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.runMapReduce(SequenceFilesFromDirectory.java:162)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.run(SequenceFilesFromDirectory.java:91)
> 	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
> 	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:84)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.main(SequenceFilesFromDirectory.java:65)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.util.ProgramDriver$ProgramDescription.invoke(ProgramDriver.java:71)
> 	at org.apache.hadoop.util.ProgramDriver.run(ProgramDriver.java:144)
> 	at org.apache.hadoop.util.ProgramDriver.driver(ProgramDriver.java:152)
> 	at org.apache.mahout.driver.MahoutDriver.main(MahoutDriver.java:195)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.util.RunJar.run(RunJar.java:221)
> 	at org.apache.hadoop.util.RunJar.main(RunJar.java:136)
> Caused by: java.io.IOException: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 	at org.apache.hadoop.ipc.Client$Connection$1.run(Client.java:685)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:422)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
> 	at org.apache.hadoop.ipc.Client$Connection.handleSaslConnectionFailure(Client.java:648)
> 	at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:735)
> 	at org.apache.hadoop.ipc.Client$Connection.access$2800(Client.java:373)
> 	at org.apache.hadoop.ipc.Client.getConnection(Client.java:1493)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1397)
> 	... 35 more
> Caused by: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 	at com.sun.security.sasl.gsskerb.GssKrb5Client.evaluateChallenge(GssKrb5Client.java:211)
> 	at org.apache.hadoop.security.SaslRpcClient.saslConnect(SaslRpcClient.java:413)
> 	at org.apache.hadoop.ipc.Client$Connection.setupSaslConnection(Client.java:558)
> 	at org.apache.hadoop.ipc.Client$Connection.access$1800(Client.java:373)
> 	at org.apache.hadoop.ipc.Client$Connection$2.run(Client.java:727)
> 	at org.apache.hadoop.ipc.Client$Connection$2.run(Client.java:723)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:422)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
> 	at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:722)
> 	... 38 more
> Caused by: GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)
> 	at sun.security.jgss.krb5.Krb5InitCredential.getInstance(Krb5InitCredential.java:147)
> 	at sun.security.jgss.krb5.Krb5MechFactory.getCredentialElement(Krb5MechFactory.java:122)
> 	at sun.security.jgss.krb5.Krb5MechFactory.getMechanismContext(Krb5MechFactory.java:187)
> 	at sun.security.jgss.GSSManagerImpl.getMechanismContext(GSSManagerImpl.java:224)
> 	at sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:212)
> 	at sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:179)
> 	at com.sun.security.sasl.gsskerb.GssKrb5Client.evaluateChallenge(GssKrb5Client.java:192)
> 	... 47 more
> 15/07/16 13:01:50 WARN ipc.Client: Exception encountered while connecting to the server : javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 15/07/16 13:01:50 INFO retry.RetryInvocationHandler: Exception while invoking getFileInfo of class ClientNamenodeProtocolTranslatorPB over jolokia1.labs.teradata.com/39.0.16.1:8020 after 2 fail over attempts. Trying to fail over immediately.
> java.io.IOException: Failed on local exception: java.io.IOException: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]; Host Details : local host is: "jolokia3.labs.teradata.com/39.0.16.3"; destination host is: "jolokia1.labs.teradata.com":8020; 
> 	at org.apache.hadoop.net.NetUtils.wrapException(NetUtils.java:773)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1431)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1358)
> 	at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:229)
> 	at com.sun.proxy.$Proxy10.getFileInfo(Unknown Source)
> 	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.getFileInfo(ClientNamenodeProtocolTranslatorPB.java:771)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:187)
> 	at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:102)
> 	at com.sun.proxy.$Proxy11.getFileInfo(Unknown Source)
> 	at org.apache.hadoop.hdfs.DFSClient.getFileInfo(DFSClient.java:2116)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem$22.doCall(DistributedFileSystem.java:1305)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem$22.doCall(DistributedFileSystem.java:1301)
> 	at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem.getFileStatus(DistributedFileSystem.java:1301)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.runMapReduce(SequenceFilesFromDirectory.java:162)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.run(SequenceFilesFromDirectory.java:91)
> 	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
> 	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:84)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.main(SequenceFilesFromDirectory.java:65)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.util.ProgramDriver$ProgramDescription.invoke(ProgramDriver.java:71)
> 	at org.apache.hadoop.util.ProgramDriver.run(ProgramDriver.java:144)
> 	at org.apache.hadoop.util.ProgramDriver.driver(ProgramDriver.java:152)
> 	at org.apache.mahout.driver.MahoutDriver.main(MahoutDriver.java:195)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.util.RunJar.run(RunJar.java:221)
> 	at org.apache.hadoop.util.RunJar.main(RunJar.java:136)
> Caused by: java.io.IOException: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 	at org.apache.hadoop.ipc.Client$Connection$1.run(Client.java:685)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:422)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
> 	at org.apache.hadoop.ipc.Client$Connection.handleSaslConnectionFailure(Client.java:648)
> 	at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:735)
> 	at org.apache.hadoop.ipc.Client$Connection.access$2800(Client.java:373)
> 	at org.apache.hadoop.ipc.Client.getConnection(Client.java:1493)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1397)
> 	... 35 more
> Caused by: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 	at com.sun.security.sasl.gsskerb.GssKrb5Client.evaluateChallenge(GssKrb5Client.java:211)
> 	at org.apache.hadoop.security.SaslRpcClient.saslConnect(SaslRpcClient.java:413)
> 	at org.apache.hadoop.ipc.Client$Connection.setupSaslConnection(Client.java:558)
> 	at org.apache.hadoop.ipc.Client$Connection.access$1800(Client.java:373)
> 	at org.apache.hadoop.ipc.Client$Connection$2.run(Client.java:727)
> 	at org.apache.hadoop.ipc.Client$Connection$2.run(Client.java:723)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:422)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
> 	at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:722)
> 	... 38 more
> Caused by: GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)
> 	at sun.security.jgss.krb5.Krb5InitCredential.getInstance(Krb5InitCredential.java:147)
> 	at sun.security.jgss.krb5.Krb5MechFactory.getCredentialElement(Krb5MechFactory.java:122)
> 	at sun.security.jgss.krb5.Krb5MechFactory.getMechanismContext(Krb5MechFactory.java:187)
> 	at sun.security.jgss.GSSManagerImpl.getMechanismContext(GSSManagerImpl.java:224)
> 	at sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:212)
> 	at sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:179)
> 	at com.sun.security.sasl.gsskerb.GssKrb5Client.evaluateChallenge(GssKrb5Client.java:192)
> 	... 47 more
> 15/07/16 13:01:50 WARN ipc.Client: Exception encountered while connecting to the server : javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 15/07/16 13:01:50 INFO retry.RetryInvocationHandler: Exception while invoking getFileInfo of class ClientNamenodeProtocolTranslatorPB over jolokia2.labs.teradata.com/39.0.16.2:8020 after 3 fail over attempts. Trying to fail over immediately.
> java.io.IOException: Failed on local exception: java.io.IOException: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]; Host Details : local host is: "jolokia3.labs.teradata.com/39.0.16.3"; destination host is: "jolokia2.labs.teradata.com":8020; 
> 	at org.apache.hadoop.net.NetUtils.wrapException(NetUtils.java:773)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1431)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1358)
> 	at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:229)
> 	at com.sun.proxy.$Proxy10.getFileInfo(Unknown Source)
> 	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.getFileInfo(ClientNamenodeProtocolTranslatorPB.java:771)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:187)
> 	at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:102)
> 	at com.sun.proxy.$Proxy11.getFileInfo(Unknown Source)
> 	at org.apache.hadoop.hdfs.DFSClient.getFileInfo(DFSClient.java:2116)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem$22.doCall(DistributedFileSystem.java:1305)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem$22.doCall(DistributedFileSystem.java:1301)
> 	at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem.getFileStatus(DistributedFileSystem.java:1301)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.runMapReduce(SequenceFilesFromDirectory.java:162)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.run(SequenceFilesFromDirectory.java:91)
> 	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
> 	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:84)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.main(SequenceFilesFromDirectory.java:65)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.util.ProgramDriver$ProgramDescription.invoke(ProgramDriver.java:71)
> 	at org.apache.hadoop.util.ProgramDriver.run(ProgramDriver.java:144)
> 	at org.apache.hadoop.util.ProgramDriver.driver(ProgramDriver.java:152)
> 	at org.apache.mahout.driver.MahoutDriver.main(MahoutDriver.java:195)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.util.RunJar.run(RunJar.java:221)
> 	at org.apache.hadoop.util.RunJar.main(RunJar.java:136)
> Caused by: java.io.IOException: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 	at org.apache.hadoop.ipc.Client$Connection$1.run(Client.java:685)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:422)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
> 	at org.apache.hadoop.ipc.Client$Connection.handleSaslConnectionFailure(Client.java:648)
> 	at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:735)
> 	at org.apache.hadoop.ipc.Client$Connection.access$2800(Client.java:373)
> 	at org.apache.hadoop.ipc.Client.getConnection(Client.java:1493)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1397)
> 	... 35 more
> Caused by: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 	at com.sun.security.sasl.gsskerb.GssKrb5Client.evaluateChallenge(GssKrb5Client.java:211)
> 	at org.apache.hadoop.security.SaslRpcClient.saslConnect(SaslRpcClient.java:413)
> 	at org.apache.hadoop.ipc.Client$Connection.setupSaslConnection(Client.java:558)
> 	at org.apache.hadoop.ipc.Client$Connection.access$1800(Client.java:373)
> 	at org.apache.hadoop.ipc.Client$Connection$2.run(Client.java:727)
> 	at org.apache.hadoop.ipc.Client$Connection$2.run(Client.java:723)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:422)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
> 	at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:722)
> 	... 38 more
> Caused by: GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)
> 	at sun.security.jgss.krb5.Krb5InitCredential.getInstance(Krb5InitCredential.java:147)
> 	at sun.security.jgss.krb5.Krb5MechFactory.getCredentialElement(Krb5MechFactory.java:122)
> 	at sun.security.jgss.krb5.Krb5MechFactory.getMechanismContext(Krb5MechFactory.java:187)
> 	at sun.security.jgss.GSSManagerImpl.getMechanismContext(GSSManagerImpl.java:224)
> 	at sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:212)
> 	at sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:179)
> 	at com.sun.security.sasl.gsskerb.GssKrb5Client.evaluateChallenge(GssKrb5Client.java:192)
> 	... 47 more
> 15/07/16 13:01:50 WARN ipc.Client: Exception encountered while connecting to the server : javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 15/07/16 13:01:50 INFO retry.RetryInvocationHandler: Exception while invoking getFileInfo of class ClientNamenodeProtocolTranslatorPB over jolokia1.labs.teradata.com/39.0.16.1:8020 after 4 fail over attempts. Trying to fail over immediately.
> java.io.IOException: Failed on local exception: java.io.IOException: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]; Host Details : local host is: "jolokia3.labs.teradata.com/39.0.16.3"; destination host is: "jolokia1.labs.teradata.com":8020; 
> 	at org.apache.hadoop.net.NetUtils.wrapException(NetUtils.java:773)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1431)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1358)
> 	at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:229)
> 	at com.sun.proxy.$Proxy10.getFileInfo(Unknown Source)
> 	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.getFileInfo(ClientNamenodeProtocolTranslatorPB.java:771)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:187)
> 	at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:102)
> 	at com.sun.proxy.$Proxy11.getFileInfo(Unknown Source)
> 	at org.apache.hadoop.hdfs.DFSClient.getFileInfo(DFSClient.java:2116)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem$22.doCall(DistributedFileSystem.java:1305)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem$22.doCall(DistributedFileSystem.java:1301)
> 	at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem.getFileStatus(DistributedFileSystem.java:1301)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.runMapReduce(SequenceFilesFromDirectory.java:162)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.run(SequenceFilesFromDirectory.java:91)
> 	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
> 	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:84)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.main(SequenceFilesFromDirectory.java:65)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.util.ProgramDriver$ProgramDescription.invoke(ProgramDriver.java:71)
> 	at org.apache.hadoop.util.ProgramDriver.run(ProgramDriver.java:144)
> 	at org.apache.hadoop.util.ProgramDriver.driver(ProgramDriver.java:152)
> 	at org.apache.mahout.driver.MahoutDriver.main(MahoutDriver.java:195)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.util.RunJar.run(RunJar.java:221)
> 	at org.apache.hadoop.util.RunJar.main(RunJar.java:136)
> Caused by: java.io.IOException: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 	at org.apache.hadoop.ipc.Client$Connection$1.run(Client.java:685)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:422)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
> 	at org.apache.hadoop.ipc.Client$Connection.handleSaslConnectionFailure(Client.java:648)
> 	at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:735)
> 	at org.apache.hadoop.ipc.Client$Connection.access$2800(Client.java:373)
> 	at org.apache.hadoop.ipc.Client.getConnection(Client.java:1493)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1397)
> 	... 35 more
> Caused by: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 	at com.sun.security.sasl.gsskerb.GssKrb5Client.evaluateChallenge(GssKrb5Client.java:211)
> 	at org.apache.hadoop.security.SaslRpcClient.saslConnect(SaslRpcClient.java:413)
> 	at org.apache.hadoop.ipc.Client$Connection.setupSaslConnection(Client.java:558)
> 	at org.apache.hadoop.ipc.Client$Connection.access$1800(Client.java:373)
> 	at org.apache.hadoop.ipc.Client$Connection$2.run(Client.java:727)
> 	at org.apache.hadoop.ipc.Client$Connection$2.run(Client.java:723)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:422)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
> 	at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:722)
> 	... 38 more
> Caused by: GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)
> 	at sun.security.jgss.krb5.Krb5InitCredential.getInstance(Krb5InitCredential.java:147)
> 	at sun.security.jgss.krb5.Krb5MechFactory.getCredentialElement(Krb5MechFactory.java:122)
> 	at sun.security.jgss.krb5.Krb5MechFactory.getMechanismContext(Krb5MechFactory.java:187)
> 	at sun.security.jgss.GSSManagerImpl.getMechanismContext(GSSManagerImpl.java:224)
> 	at sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:212)
> 	at sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:179)
> 	at com.sun.security.sasl.gsskerb.GssKrb5Client.evaluateChallenge(GssKrb5Client.java:192)
> 	... 47 more
> 15/07/16 13:01:50 WARN ipc.Client: Exception encountered while connecting to the server : javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 15/07/16 13:01:50 INFO retry.RetryInvocationHandler: Exception while invoking getFileInfo of class ClientNamenodeProtocolTranslatorPB over jolokia2.labs.teradata.com/39.0.16.2:8020 after 5 fail over attempts. Trying to fail over immediately.
> java.io.IOException: Failed on local exception: java.io.IOException: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]; Host Details : local host is: "jolokia3.labs.teradata.com/39.0.16.3"; destination host is: "jolokia2.labs.teradata.com":8020; 
> 	at org.apache.hadoop.net.NetUtils.wrapException(NetUtils.java:773)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1431)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1358)
> 	at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:229)
> 	at com.sun.proxy.$Proxy10.getFileInfo(Unknown Source)
> 	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.getFileInfo(ClientNamenodeProtocolTranslatorPB.java:771)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:187)
> 	at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:102)
> 	at com.sun.proxy.$Proxy11.getFileInfo(Unknown Source)
> 	at org.apache.hadoop.hdfs.DFSClient.getFileInfo(DFSClient.java:2116)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem$22.doCall(DistributedFileSystem.java:1305)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem$22.doCall(DistributedFileSystem.java:1301)
> 	at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem.getFileStatus(DistributedFileSystem.java:1301)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.runMapReduce(SequenceFilesFromDirectory.java:162)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.run(SequenceFilesFromDirectory.java:91)
> 	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
> 	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:84)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.main(SequenceFilesFromDirectory.java:65)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.util.ProgramDriver$ProgramDescription.invoke(ProgramDriver.java:71)
> 	at org.apache.hadoop.util.ProgramDriver.run(ProgramDriver.java:144)
> 	at org.apache.hadoop.util.ProgramDriver.driver(ProgramDriver.java:152)
> 	at org.apache.mahout.driver.MahoutDriver.main(MahoutDriver.java:195)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.util.RunJar.run(RunJar.java:221)
> 	at org.apache.hadoop.util.RunJar.main(RunJar.java:136)
> Caused by: java.io.IOException: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 	at org.apache.hadoop.ipc.Client$Connection$1.run(Client.java:685)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:422)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
> 	at org.apache.hadoop.ipc.Client$Connection.handleSaslConnectionFailure(Client.java:648)
> 	at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:735)
> 	at org.apache.hadoop.ipc.Client$Connection.access$2800(Client.java:373)
> 	at org.apache.hadoop.ipc.Client.getConnection(Client.java:1493)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1397)
> 	... 35 more
> Caused by: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 	at com.sun.security.sasl.gsskerb.GssKrb5Client.evaluateChallenge(GssKrb5Client.java:211)
> 	at org.apache.hadoop.security.SaslRpcClient.saslConnect(SaslRpcClient.java:413)
> 	at org.apache.hadoop.ipc.Client$Connection.setupSaslConnection(Client.java:558)
> 	at org.apache.hadoop.ipc.Client$Connection.access$1800(Client.java:373)
> 	at org.apache.hadoop.ipc.Client$Connection$2.run(Client.java:727)
> 	at org.apache.hadoop.ipc.Client$Connection$2.run(Client.java:723)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:422)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
> 	at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:722)
> 	... 38 more
> Caused by: GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)
> 	at sun.security.jgss.krb5.Krb5InitCredential.getInstance(Krb5InitCredential.java:147)
> 	at sun.security.jgss.krb5.Krb5MechFactory.getCredentialElement(Krb5MechFactory.java:122)
> 	at sun.security.jgss.krb5.Krb5MechFactory.getMechanismContext(Krb5MechFactory.java:187)
> 	at sun.security.jgss.GSSManagerImpl.getMechanismContext(GSSManagerImpl.java:224)
> 	at sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:212)
> 	at sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:179)
> 	at com.sun.security.sasl.gsskerb.GssKrb5Client.evaluateChallenge(GssKrb5Client.java:192)
> 	... 47 more
> 15/07/16 13:01:50 WARN ipc.Client: Exception encountered while connecting to the server : javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 15/07/16 13:01:50 INFO retry.RetryInvocationHandler: Exception while invoking getFileInfo of class ClientNamenodeProtocolTranslatorPB over jolokia1.labs.teradata.com/39.0.16.1:8020 after 6 fail over attempts. Trying to fail over immediately.
> java.io.IOException: Failed on local exception: java.io.IOException: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]; Host Details : local host is: "jolokia3.labs.teradata.com/39.0.16.3"; destination host is: "jolokia1.labs.teradata.com":8020; 
> 	at org.apache.hadoop.net.NetUtils.wrapException(NetUtils.java:773)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1431)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1358)
> 	at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:229)
> 	at com.sun.proxy.$Proxy10.getFileInfo(Unknown Source)
> 	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.getFileInfo(ClientNamenodeProtocolTranslatorPB.java:771)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:187)
> 	at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:102)
> 	at com.sun.proxy.$Proxy11.getFileInfo(Unknown Source)
> 	at org.apache.hadoop.hdfs.DFSClient.getFileInfo(DFSClient.java:2116)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem$22.doCall(DistributedFileSystem.java:1305)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem$22.doCall(DistributedFileSystem.java:1301)
> 	at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem.getFileStatus(DistributedFileSystem.java:1301)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.runMapReduce(SequenceFilesFromDirectory.java:162)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.run(SequenceFilesFromDirectory.java:91)
> 	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
> 	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:84)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.main(SequenceFilesFromDirectory.java:65)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.util.ProgramDriver$ProgramDescription.invoke(ProgramDriver.java:71)
> 	at org.apache.hadoop.util.ProgramDriver.run(ProgramDriver.java:144)
> 	at org.apache.hadoop.util.ProgramDriver.driver(ProgramDriver.java:152)
> 	at org.apache.mahout.driver.MahoutDriver.main(MahoutDriver.java:195)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.util.RunJar.run(RunJar.java:221)
> 	at org.apache.hadoop.util.RunJar.main(RunJar.java:136)
> Caused by: java.io.IOException: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 	at org.apache.hadoop.ipc.Client$Connection$1.run(Client.java:685)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:422)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
> 	at org.apache.hadoop.ipc.Client$Connection.handleSaslConnectionFailure(Client.java:648)
> 	at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:735)
> 	at org.apache.hadoop.ipc.Client$Connection.access$2800(Client.java:373)
> 	at org.apache.hadoop.ipc.Client.getConnection(Client.java:1493)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1397)
> 	... 35 more
> Caused by: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 	at com.sun.security.sasl.gsskerb.GssKrb5Client.evaluateChallenge(GssKrb5Client.java:211)
> 	at org.apache.hadoop.security.SaslRpcClient.saslConnect(SaslRpcClient.java:413)
> 	at org.apache.hadoop.ipc.Client$Connection.setupSaslConnection(Client.java:558)
> 	at org.apache.hadoop.ipc.Client$Connection.access$1800(Client.java:373)
> 	at org.apache.hadoop.ipc.Client$Connection$2.run(Client.java:727)
> 	at org.apache.hadoop.ipc.Client$Connection$2.run(Client.java:723)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:422)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
> 	at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:722)
> 	... 38 more
> Caused by: GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)
> 	at sun.security.jgss.krb5.Krb5InitCredential.getInstance(Krb5InitCredential.java:147)
> 	at sun.security.jgss.krb5.Krb5MechFactory.getCredentialElement(Krb5MechFactory.java:122)
> 	at sun.security.jgss.krb5.Krb5MechFactory.getMechanismContext(Krb5MechFactory.java:187)
> 	at sun.security.jgss.GSSManagerImpl.getMechanismContext(GSSManagerImpl.java:224)
> 	at sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:212)
> 	at sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:179)
> 	at com.sun.security.sasl.gsskerb.GssKrb5Client.evaluateChallenge(GssKrb5Client.java:192)
> 	... 47 more
> 15/07/16 13:01:50 WARN ipc.Client: Exception encountered while connecting to the server : javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 15/07/16 13:01:50 INFO retry.RetryInvocationHandler: Exception while invoking getFileInfo of class ClientNamenodeProtocolTranslatorPB over jolokia2.labs.teradata.com/39.0.16.2:8020 after 7 fail over attempts. Trying to fail over immediately.
> java.io.IOException: Failed on local exception: java.io.IOException: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]; Host Details : local host is: "jolokia3.labs.teradata.com/39.0.16.3"; destination host is: "jolokia2.labs.teradata.com":8020; 
> 	at org.apache.hadoop.net.NetUtils.wrapException(NetUtils.java:773)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1431)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1358)
> 	at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:229)
> 	at com.sun.proxy.$Proxy10.getFileInfo(Unknown Source)
> 	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.getFileInfo(ClientNamenodeProtocolTranslatorPB.java:771)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:187)
> 	at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:102)
> 	at com.sun.proxy.$Proxy11.getFileInfo(Unknown Source)
> 	at org.apache.hadoop.hdfs.DFSClient.getFileInfo(DFSClient.java:2116)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem$22.doCall(DistributedFileSystem.java:1305)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem$22.doCall(DistributedFileSystem.java:1301)
> 	at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem.getFileStatus(DistributedFileSystem.java:1301)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.runMapReduce(SequenceFilesFromDirectory.java:162)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.run(SequenceFilesFromDirectory.java:91)
> 	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
> 	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:84)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.main(SequenceFilesFromDirectory.java:65)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.util.ProgramDriver$ProgramDescription.invoke(ProgramDriver.java:71)
> 	at org.apache.hadoop.util.ProgramDriver.run(ProgramDriver.java:144)
> 	at org.apache.hadoop.util.ProgramDriver.driver(ProgramDriver.java:152)
> 	at org.apache.mahout.driver.MahoutDriver.main(MahoutDriver.java:195)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.util.RunJar.run(RunJar.java:221)
> 	at org.apache.hadoop.util.RunJar.main(RunJar.java:136)
> Caused by: java.io.IOException: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 	at org.apache.hadoop.ipc.Client$Connection$1.run(Client.java:685)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:422)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
> 	at org.apache.hadoop.ipc.Client$Connection.handleSaslConnectionFailure(Client.java:648)
> 	at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:735)
> 	at org.apache.hadoop.ipc.Client$Connection.access$2800(Client.java:373)
> 	at org.apache.hadoop.ipc.Client.getConnection(Client.java:1493)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1397)
> 	... 35 more
> Caused by: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 	at com.sun.security.sasl.gsskerb.GssKrb5Client.evaluateChallenge(GssKrb5Client.java:211)
> 	at org.apache.hadoop.security.SaslRpcClient.saslConnect(SaslRpcClient.java:413)
> 	at org.apache.hadoop.ipc.Client$Connection.setupSaslConnection(Client.java:558)
> 	at org.apache.hadoop.ipc.Client$Connection.access$1800(Client.java:373)
> 	at org.apache.hadoop.ipc.Client$Connection$2.run(Client.java:727)
> 	at org.apache.hadoop.ipc.Client$Connection$2.run(Client.java:723)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:422)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
> 	at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:722)
> 	... 38 more
> Caused by: GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)
> 	at sun.security.jgss.krb5.Krb5InitCredential.getInstance(Krb5InitCredential.java:147)
> 	at sun.security.jgss.krb5.Krb5MechFactory.getCredentialElement(Krb5MechFactory.java:122)
> 	at sun.security.jgss.krb5.Krb5MechFactory.getMechanismContext(Krb5MechFactory.java:187)
> 	at sun.security.jgss.GSSManagerImpl.getMechanismContext(GSSManagerImpl.java:224)
> 	at sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:212)
> 	at sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:179)
> 	at com.sun.security.sasl.gsskerb.GssKrb5Client.evaluateChallenge(GssKrb5Client.java:192)
> 	... 47 more
> 15/07/16 13:01:50 WARN ipc.Client: Exception encountered while connecting to the server : javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 15/07/16 13:01:50 INFO retry.RetryInvocationHandler: Exception while invoking getFileInfo of class ClientNamenodeProtocolTranslatorPB over jolokia1.labs.teradata.com/39.0.16.1:8020 after 8 fail over attempts. Trying to fail over immediately.
> java.io.IOException: Failed on local exception: java.io.IOException: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]; Host Details : local host is: "jolokia3.labs.teradata.com/39.0.16.3"; destination host is: "jolokia1.labs.teradata.com":8020; 
> 	at org.apache.hadoop.net.NetUtils.wrapException(NetUtils.java:773)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1431)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1358)
> 	at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:229)
> 	at com.sun.proxy.$Proxy10.getFileInfo(Unknown Source)
> 	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.getFileInfo(ClientNamenodeProtocolTranslatorPB.java:771)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:187)
> 	at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:102)
> 	at com.sun.proxy.$Proxy11.getFileInfo(Unknown Source)
> 	at org.apache.hadoop.hdfs.DFSClient.getFileInfo(DFSClient.java:2116)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem$22.doCall(DistributedFileSystem.java:1305)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem$22.doCall(DistributedFileSystem.java:1301)
> 	at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem.getFileStatus(DistributedFileSystem.java:1301)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.runMapReduce(SequenceFilesFromDirectory.java:162)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.run(SequenceFilesFromDirectory.java:91)
> 	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
> 	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:84)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.main(SequenceFilesFromDirectory.java:65)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.util.ProgramDriver$ProgramDescription.invoke(ProgramDriver.java:71)
> 	at org.apache.hadoop.util.ProgramDriver.run(ProgramDriver.java:144)
> 	at org.apache.hadoop.util.ProgramDriver.driver(ProgramDriver.java:152)
> 	at org.apache.mahout.driver.MahoutDriver.main(MahoutDriver.java:195)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.util.RunJar.run(RunJar.java:221)
> 	at org.apache.hadoop.util.RunJar.main(RunJar.java:136)
> Caused by: java.io.IOException: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 	at org.apache.hadoop.ipc.Client$Connection$1.run(Client.java:685)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:422)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
> 	at org.apache.hadoop.ipc.Client$Connection.handleSaslConnectionFailure(Client.java:648)
> 	at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:735)
> 	at org.apache.hadoop.ipc.Client$Connection.access$2800(Client.java:373)
> 	at org.apache.hadoop.ipc.Client.getConnection(Client.java:1493)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1397)
> 	... 35 more
> Caused by: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 	at com.sun.security.sasl.gsskerb.GssKrb5Client.evaluateChallenge(GssKrb5Client.java:211)
> 	at org.apache.hadoop.security.SaslRpcClient.saslConnect(SaslRpcClient.java:413)
> 	at org.apache.hadoop.ipc.Client$Connection.setupSaslConnection(Client.java:558)
> 	at org.apache.hadoop.ipc.Client$Connection.access$1800(Client.java:373)
> 	at org.apache.hadoop.ipc.Client$Connection$2.run(Client.java:727)
> 	at org.apache.hadoop.ipc.Client$Connection$2.run(Client.java:723)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:422)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
> 	at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:722)
> 	... 38 more
> Caused by: GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)
> 	at sun.security.jgss.krb5.Krb5InitCredential.getInstance(Krb5InitCredential.java:147)
> 	at sun.security.jgss.krb5.Krb5MechFactory.getCredentialElement(Krb5MechFactory.java:122)
> 	at sun.security.jgss.krb5.Krb5MechFactory.getMechanismContext(Krb5MechFactory.java:187)
> 	at sun.security.jgss.GSSManagerImpl.getMechanismContext(GSSManagerImpl.java:224)
> 	at sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:212)
> 	at sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:179)
> 	at com.sun.security.sasl.gsskerb.GssKrb5Client.evaluateChallenge(GssKrb5Client.java:192)
> 	... 47 more
> 15/07/16 13:01:50 WARN ipc.Client: Exception encountered while connecting to the server : javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 15/07/16 13:01:50 INFO retry.RetryInvocationHandler: Exception while invoking getFileInfo of class ClientNamenodeProtocolTranslatorPB over jolokia2.labs.teradata.com/39.0.16.2:8020 after 9 fail over attempts. Trying to fail over immediately.
> java.io.IOException: Failed on local exception: java.io.IOException: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]; Host Details : local host is: "jolokia3.labs.teradata.com/39.0.16.3"; destination host is: "jolokia2.labs.teradata.com":8020; 
> 	at org.apache.hadoop.net.NetUtils.wrapException(NetUtils.java:773)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1431)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1358)
> 	at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:229)
> 	at com.sun.proxy.$Proxy10.getFileInfo(Unknown Source)
> 	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.getFileInfo(ClientNamenodeProtocolTranslatorPB.java:771)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:187)
> 	at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:102)
> 	at com.sun.proxy.$Proxy11.getFileInfo(Unknown Source)
> 	at org.apache.hadoop.hdfs.DFSClient.getFileInfo(DFSClient.java:2116)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem$22.doCall(DistributedFileSystem.java:1305)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem$22.doCall(DistributedFileSystem.java:1301)
> 	at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem.getFileStatus(DistributedFileSystem.java:1301)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.runMapReduce(SequenceFilesFromDirectory.java:162)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.run(SequenceFilesFromDirectory.java:91)
> 	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
> 	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:84)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.main(SequenceFilesFromDirectory.java:65)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.util.ProgramDriver$ProgramDescription.invoke(ProgramDriver.java:71)
> 	at org.apache.hadoop.util.ProgramDriver.run(ProgramDriver.java:144)
> 	at org.apache.hadoop.util.ProgramDriver.driver(ProgramDriver.java:152)
> 	at org.apache.mahout.driver.MahoutDriver.main(MahoutDriver.java:195)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.util.RunJar.run(RunJar.java:221)
> 	at org.apache.hadoop.util.RunJar.main(RunJar.java:136)
> Caused by: java.io.IOException: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 	at org.apache.hadoop.ipc.Client$Connection$1.run(Client.java:685)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:422)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
> 	at org.apache.hadoop.ipc.Client$Connection.handleSaslConnectionFailure(Client.java:648)
> 	at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:735)
> 	at org.apache.hadoop.ipc.Client$Connection.access$2800(Client.java:373)
> 	at org.apache.hadoop.ipc.Client.getConnection(Client.java:1493)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1397)
> 	... 35 more
> Caused by: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 	at com.sun.security.sasl.gsskerb.GssKrb5Client.evaluateChallenge(GssKrb5Client.java:211)
> 	at org.apache.hadoop.security.SaslRpcClient.saslConnect(SaslRpcClient.java:413)
> 	at org.apache.hadoop.ipc.Client$Connection.setupSaslConnection(Client.java:558)
> 	at org.apache.hadoop.ipc.Client$Connection.access$1800(Client.java:373)
> 	at org.apache.hadoop.ipc.Client$Connection$2.run(Client.java:727)
> 	at org.apache.hadoop.ipc.Client$Connection$2.run(Client.java:723)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:422)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
> 	at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:722)
> 	... 38 more
> Caused by: GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)
> 	at sun.security.jgss.krb5.Krb5InitCredential.getInstance(Krb5InitCredential.java:147)
> 	at sun.security.jgss.krb5.Krb5MechFactory.getCredentialElement(Krb5MechFactory.java:122)
> 	at sun.security.jgss.krb5.Krb5MechFactory.getMechanismContext(Krb5MechFactory.java:187)
> 	at sun.security.jgss.GSSManagerImpl.getMechanismContext(GSSManagerImpl.java:224)
> 	at sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:212)
> 	at sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:179)
> 	at com.sun.security.sasl.gsskerb.GssKrb5Client.evaluateChallenge(GssKrb5Client.java:192)
> 	... 47 more
> 15/07/16 13:01:50 WARN ipc.Client: Exception encountered while connecting to the server : javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 15/07/16 13:01:50 INFO retry.RetryInvocationHandler: Exception while invoking getFileInfo of class ClientNamenodeProtocolTranslatorPB over jolokia1.labs.teradata.com/39.0.16.1:8020 after 10 fail over attempts. Trying to fail over immediately.
> java.io.IOException: Failed on local exception: java.io.IOException: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]; Host Details : local host is: "jolokia3.labs.teradata.com/39.0.16.3"; destination host is: "jolokia1.labs.teradata.com":8020; 
> 	at org.apache.hadoop.net.NetUtils.wrapException(NetUtils.java:773)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1431)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1358)
> 	at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:229)
> 	at com.sun.proxy.$Proxy10.getFileInfo(Unknown Source)
> 	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.getFileInfo(ClientNamenodeProtocolTranslatorPB.java:771)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:187)
> 	at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:102)
> 	at com.sun.proxy.$Proxy11.getFileInfo(Unknown Source)
> 	at org.apache.hadoop.hdfs.DFSClient.getFileInfo(DFSClient.java:2116)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem$22.doCall(DistributedFileSystem.java:1305)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem$22.doCall(DistributedFileSystem.java:1301)
> 	at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem.getFileStatus(DistributedFileSystem.java:1301)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.runMapReduce(SequenceFilesFromDirectory.java:162)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.run(SequenceFilesFromDirectory.java:91)
> 	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
> 	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:84)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.main(SequenceFilesFromDirectory.java:65)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.util.ProgramDriver$ProgramDescription.invoke(ProgramDriver.java:71)
> 	at org.apache.hadoop.util.ProgramDriver.run(ProgramDriver.java:144)
> 	at org.apache.hadoop.util.ProgramDriver.driver(ProgramDriver.java:152)
> 	at org.apache.mahout.driver.MahoutDriver.main(MahoutDriver.java:195)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.util.RunJar.run(RunJar.java:221)
> 	at org.apache.hadoop.util.RunJar.main(RunJar.java:136)
> Caused by: java.io.IOException: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 	at org.apache.hadoop.ipc.Client$Connection$1.run(Client.java:685)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:422)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
> 	at org.apache.hadoop.ipc.Client$Connection.handleSaslConnectionFailure(Client.java:648)
> 	at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:735)
> 	at org.apache.hadoop.ipc.Client$Connection.access$2800(Client.java:373)
> 	at org.apache.hadoop.ipc.Client.getConnection(Client.java:1493)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1397)
> 	... 35 more
> Caused by: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 	at com.sun.security.sasl.gsskerb.GssKrb5Client.evaluateChallenge(GssKrb5Client.java:211)
> 	at org.apache.hadoop.security.SaslRpcClient.saslConnect(SaslRpcClient.java:413)
> 	at org.apache.hadoop.ipc.Client$Connection.setupSaslConnection(Client.java:558)
> 	at org.apache.hadoop.ipc.Client$Connection.access$1800(Client.java:373)
> 	at org.apache.hadoop.ipc.Client$Connection$2.run(Client.java:727)
> 	at org.apache.hadoop.ipc.Client$Connection$2.run(Client.java:723)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:422)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
> 	at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:722)
> 	... 38 more
> Caused by: GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)
> 	at sun.security.jgss.krb5.Krb5InitCredential.getInstance(Krb5InitCredential.java:147)
> 	at sun.security.jgss.krb5.Krb5MechFactory.getCredentialElement(Krb5MechFactory.java:122)
> 	at sun.security.jgss.krb5.Krb5MechFactory.getMechanismContext(Krb5MechFactory.java:187)
> 	at sun.security.jgss.GSSManagerImpl.getMechanismContext(GSSManagerImpl.java:224)
> 	at sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:212)
> 	at sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:179)
> 	at com.sun.security.sasl.gsskerb.GssKrb5Client.evaluateChallenge(GssKrb5Client.java:192)
> 	... 47 more
> 15/07/16 13:01:50 WARN ipc.Client: Exception encountered while connecting to the server : javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 15/07/16 13:01:50 INFO retry.RetryInvocationHandler: Exception while invoking getFileInfo of class ClientNamenodeProtocolTranslatorPB over jolokia2.labs.teradata.com/39.0.16.2:8020 after 11 fail over attempts. Trying to fail over immediately.
> java.io.IOException: Failed on local exception: java.io.IOException: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]; Host Details : local host is: "jolokia3.labs.teradata.com/39.0.16.3"; destination host is: "jolokia2.labs.teradata.com":8020; 
> 	at org.apache.hadoop.net.NetUtils.wrapException(NetUtils.java:773)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1431)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1358)
> 	at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:229)
> 	at com.sun.proxy.$Proxy10.getFileInfo(Unknown Source)
> 	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.getFileInfo(ClientNamenodeProtocolTranslatorPB.java:771)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:187)
> 	at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:102)
> 	at com.sun.proxy.$Proxy11.getFileInfo(Unknown Source)
> 	at org.apache.hadoop.hdfs.DFSClient.getFileInfo(DFSClient.java:2116)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem$22.doCall(DistributedFileSystem.java:1305)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem$22.doCall(DistributedFileSystem.java:1301)
> 	at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem.getFileStatus(DistributedFileSystem.java:1301)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.runMapReduce(SequenceFilesFromDirectory.java:162)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.run(SequenceFilesFromDirectory.java:91)
> 	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
> 	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:84)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.main(SequenceFilesFromDirectory.java:65)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.util.ProgramDriver$ProgramDescription.invoke(ProgramDriver.java:71)
> 	at org.apache.hadoop.util.ProgramDriver.run(ProgramDriver.java:144)
> 	at org.apache.hadoop.util.ProgramDriver.driver(ProgramDriver.java:152)
> 	at org.apache.mahout.driver.MahoutDriver.main(MahoutDriver.java:195)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.util.RunJar.run(RunJar.java:221)
> 	at org.apache.hadoop.util.RunJar.main(RunJar.java:136)
> Caused by: java.io.IOException: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 	at org.apache.hadoop.ipc.Client$Connection$1.run(Client.java:685)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:422)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
> 	at org.apache.hadoop.ipc.Client$Connection.handleSaslConnectionFailure(Client.java:648)
> 	at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:735)
> 	at org.apache.hadoop.ipc.Client$Connection.access$2800(Client.java:373)
> 	at org.apache.hadoop.ipc.Client.getConnection(Client.java:1493)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1397)
> 	... 35 more
> Caused by: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 	at com.sun.security.sasl.gsskerb.GssKrb5Client.evaluateChallenge(GssKrb5Client.java:211)
> 	at org.apache.hadoop.security.SaslRpcClient.saslConnect(SaslRpcClient.java:413)
> 	at org.apache.hadoop.ipc.Client$Connection.setupSaslConnection(Client.java:558)
> 	at org.apache.hadoop.ipc.Client$Connection.access$1800(Client.java:373)
> 	at org.apache.hadoop.ipc.Client$Connection$2.run(Client.java:727)
> 	at org.apache.hadoop.ipc.Client$Connection$2.run(Client.java:723)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:422)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
> 	at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:722)
> 	... 38 more
> Caused by: GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)
> 	at sun.security.jgss.krb5.Krb5InitCredential.getInstance(Krb5InitCredential.java:147)
> 	at sun.security.jgss.krb5.Krb5MechFactory.getCredentialElement(Krb5MechFactory.java:122)
> 	at sun.security.jgss.krb5.Krb5MechFactory.getMechanismContext(Krb5MechFactory.java:187)
> 	at sun.security.jgss.GSSManagerImpl.getMechanismContext(GSSManagerImpl.java:224)
> 	at sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:212)
> 	at sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:179)
> 	at com.sun.security.sasl.gsskerb.GssKrb5Client.evaluateChallenge(GssKrb5Client.java:192)
> 	... 47 more
> 15/07/16 13:01:50 WARN ipc.Client: Exception encountered while connecting to the server : javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 15/07/16 13:01:50 INFO retry.RetryInvocationHandler: Exception while invoking getFileInfo of class ClientNamenodeProtocolTranslatorPB over jolokia1.labs.teradata.com/39.0.16.1:8020 after 12 fail over attempts. Trying to fail over immediately.
> java.io.IOException: Failed on local exception: java.io.IOException: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]; Host Details : local host is: "jolokia3.labs.teradata.com/39.0.16.3"; destination host is: "jolokia1.labs.teradata.com":8020; 
> 	at org.apache.hadoop.net.NetUtils.wrapException(NetUtils.java:773)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1431)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1358)
> 	at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:229)
> 	at com.sun.proxy.$Proxy10.getFileInfo(Unknown Source)
> 	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.getFileInfo(ClientNamenodeProtocolTranslatorPB.java:771)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:187)
> 	at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:102)
> 	at com.sun.proxy.$Proxy11.getFileInfo(Unknown Source)
> 	at org.apache.hadoop.hdfs.DFSClient.getFileInfo(DFSClient.java:2116)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem$22.doCall(DistributedFileSystem.java:1305)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem$22.doCall(DistributedFileSystem.java:1301)
> 	at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem.getFileStatus(DistributedFileSystem.java:1301)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.runMapReduce(SequenceFilesFromDirectory.java:162)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.run(SequenceFilesFromDirectory.java:91)
> 	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
> 	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:84)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.main(SequenceFilesFromDirectory.java:65)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.util.ProgramDriver$ProgramDescription.invoke(ProgramDriver.java:71)
> 	at org.apache.hadoop.util.ProgramDriver.run(ProgramDriver.java:144)
> 	at org.apache.hadoop.util.ProgramDriver.driver(ProgramDriver.java:152)
> 	at org.apache.mahout.driver.MahoutDriver.main(MahoutDriver.java:195)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.util.RunJar.run(RunJar.java:221)
> 	at org.apache.hadoop.util.RunJar.main(RunJar.java:136)
> Caused by: java.io.IOException: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 	at org.apache.hadoop.ipc.Client$Connection$1.run(Client.java:685)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:422)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
> 	at org.apache.hadoop.ipc.Client$Connection.handleSaslConnectionFailure(Client.java:648)
> 	at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:735)
> 	at org.apache.hadoop.ipc.Client$Connection.access$2800(Client.java:373)
> 	at org.apache.hadoop.ipc.Client.getConnection(Client.java:1493)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1397)
> 	... 35 more
> Caused by: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 	at com.sun.security.sasl.gsskerb.GssKrb5Client.evaluateChallenge(GssKrb5Client.java:211)
> 	at org.apache.hadoop.security.SaslRpcClient.saslConnect(SaslRpcClient.java:413)
> 	at org.apache.hadoop.ipc.Client$Connection.setupSaslConnection(Client.java:558)
> 	at org.apache.hadoop.ipc.Client$Connection.access$1800(Client.java:373)
> 	at org.apache.hadoop.ipc.Client$Connection$2.run(Client.java:727)
> 	at org.apache.hadoop.ipc.Client$Connection$2.run(Client.java:723)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:422)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
> 	at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:722)
> 	... 38 more
> Caused by: GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)
> 	at sun.security.jgss.krb5.Krb5InitCredential.getInstance(Krb5InitCredential.java:147)
> 	at sun.security.jgss.krb5.Krb5MechFactory.getCredentialElement(Krb5MechFactory.java:122)
> 	at sun.security.jgss.krb5.Krb5MechFactory.getMechanismContext(Krb5MechFactory.java:187)
> 	at sun.security.jgss.GSSManagerImpl.getMechanismContext(GSSManagerImpl.java:224)
> 	at sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:212)
> 	at sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:179)
> 	at com.sun.security.sasl.gsskerb.GssKrb5Client.evaluateChallenge(GssKrb5Client.java:192)
> 	... 47 more
> 15/07/16 13:01:50 WARN ipc.Client: Exception encountered while connecting to the server : javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 15/07/16 13:01:50 INFO retry.RetryInvocationHandler: Exception while invoking getFileInfo of class ClientNamenodeProtocolTranslatorPB over jolokia2.labs.teradata.com/39.0.16.2:8020 after 13 fail over attempts. Trying to fail over immediately.
> java.io.IOException: Failed on local exception: java.io.IOException: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]; Host Details : local host is: "jolokia3.labs.teradata.com/39.0.16.3"; destination host is: "jolokia2.labs.teradata.com":8020; 
> 	at org.apache.hadoop.net.NetUtils.wrapException(NetUtils.java:773)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1431)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1358)
> 	at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:229)
> 	at com.sun.proxy.$Proxy10.getFileInfo(Unknown Source)
> 	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.getFileInfo(ClientNamenodeProtocolTranslatorPB.java:771)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:187)
> 	at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:102)
> 	at com.sun.proxy.$Proxy11.getFileInfo(Unknown Source)
> 	at org.apache.hadoop.hdfs.DFSClient.getFileInfo(DFSClient.java:2116)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem$22.doCall(DistributedFileSystem.java:1305)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem$22.doCall(DistributedFileSystem.java:1301)
> 	at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem.getFileStatus(DistributedFileSystem.java:1301)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.runMapReduce(SequenceFilesFromDirectory.java:162)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.run(SequenceFilesFromDirectory.java:91)
> 	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
> 	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:84)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.main(SequenceFilesFromDirectory.java:65)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.util.ProgramDriver$ProgramDescription.invoke(ProgramDriver.java:71)
> 	at org.apache.hadoop.util.ProgramDriver.run(ProgramDriver.java:144)
> 	at org.apache.hadoop.util.ProgramDriver.driver(ProgramDriver.java:152)
> 	at org.apache.mahout.driver.MahoutDriver.main(MahoutDriver.java:195)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.util.RunJar.run(RunJar.java:221)
> 	at org.apache.hadoop.util.RunJar.main(RunJar.java:136)
> Caused by: java.io.IOException: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 	at org.apache.hadoop.ipc.Client$Connection$1.run(Client.java:685)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:422)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
> 	at org.apache.hadoop.ipc.Client$Connection.handleSaslConnectionFailure(Client.java:648)
> 	at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:735)
> 	at org.apache.hadoop.ipc.Client$Connection.access$2800(Client.java:373)
> 	at org.apache.hadoop.ipc.Client.getConnection(Client.java:1493)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1397)
> 	... 35 more
> Caused by: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 	at com.sun.security.sasl.gsskerb.GssKrb5Client.evaluateChallenge(GssKrb5Client.java:211)
> 	at org.apache.hadoop.security.SaslRpcClient.saslConnect(SaslRpcClient.java:413)
> 	at org.apache.hadoop.ipc.Client$Connection.setupSaslConnection(Client.java:558)
> 	at org.apache.hadoop.ipc.Client$Connection.access$1800(Client.java:373)
> 	at org.apache.hadoop.ipc.Client$Connection$2.run(Client.java:727)
> 	at org.apache.hadoop.ipc.Client$Connection$2.run(Client.java:723)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:422)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
> 	at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:722)
> 	... 38 more
> Caused by: GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)
> 	at sun.security.jgss.krb5.Krb5InitCredential.getInstance(Krb5InitCredential.java:147)
> 	at sun.security.jgss.krb5.Krb5MechFactory.getCredentialElement(Krb5MechFactory.java:122)
> 	at sun.security.jgss.krb5.Krb5MechFactory.getMechanismContext(Krb5MechFactory.java:187)
> 	at sun.security.jgss.GSSManagerImpl.getMechanismContext(GSSManagerImpl.java:224)
> 	at sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:212)
> 	at sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:179)
> 	at com.sun.security.sasl.gsskerb.GssKrb5Client.evaluateChallenge(GssKrb5Client.java:192)
> 	... 47 more
> 15/07/16 13:01:50 WARN ipc.Client: Exception encountered while connecting to the server : javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 15/07/16 13:01:50 INFO retry.RetryInvocationHandler: Exception while invoking getFileInfo of class ClientNamenodeProtocolTranslatorPB over jolokia1.labs.teradata.com/39.0.16.1:8020 after 14 fail over attempts. Trying to fail over immediately.
> java.io.IOException: Failed on local exception: java.io.IOException: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]; Host Details : local host is: "jolokia3.labs.teradata.com/39.0.16.3"; destination host is: "jolokia1.labs.teradata.com":8020; 
> 	at org.apache.hadoop.net.NetUtils.wrapException(NetUtils.java:773)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1431)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1358)
> 	at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:229)
> 	at com.sun.proxy.$Proxy10.getFileInfo(Unknown Source)
> 	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.getFileInfo(ClientNamenodeProtocolTranslatorPB.java:771)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:187)
> 	at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:102)
> 	at com.sun.proxy.$Proxy11.getFileInfo(Unknown Source)
> 	at org.apache.hadoop.hdfs.DFSClient.getFileInfo(DFSClient.java:2116)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem$22.doCall(DistributedFileSystem.java:1305)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem$22.doCall(DistributedFileSystem.java:1301)
> 	at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem.getFileStatus(DistributedFileSystem.java:1301)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.runMapReduce(SequenceFilesFromDirectory.java:162)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.run(SequenceFilesFromDirectory.java:91)
> 	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
> 	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:84)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.main(SequenceFilesFromDirectory.java:65)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.util.ProgramDriver$ProgramDescription.invoke(ProgramDriver.java:71)
> 	at org.apache.hadoop.util.ProgramDriver.run(ProgramDriver.java:144)
> 	at org.apache.hadoop.util.ProgramDriver.driver(ProgramDriver.java:152)
> 	at org.apache.mahout.driver.MahoutDriver.main(MahoutDriver.java:195)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.util.RunJar.run(RunJar.java:221)
> 	at org.apache.hadoop.util.RunJar.main(RunJar.java:136)
> Caused by: java.io.IOException: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 	at org.apache.hadoop.ipc.Client$Connection$1.run(Client.java:685)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:422)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
> 	at org.apache.hadoop.ipc.Client$Connection.handleSaslConnectionFailure(Client.java:648)
> 	at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:735)
> 	at org.apache.hadoop.ipc.Client$Connection.access$2800(Client.java:373)
> 	at org.apache.hadoop.ipc.Client.getConnection(Client.java:1493)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1397)
> 	... 35 more
> Caused by: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 	at com.sun.security.sasl.gsskerb.GssKrb5Client.evaluateChallenge(GssKrb5Client.java:211)
> 	at org.apache.hadoop.security.SaslRpcClient.saslConnect(SaslRpcClient.java:413)
> 	at org.apache.hadoop.ipc.Client$Connection.setupSaslConnection(Client.java:558)
> 	at org.apache.hadoop.ipc.Client$Connection.access$1800(Client.java:373)
> 	at org.apache.hadoop.ipc.Client$Connection$2.run(Client.java:727)
> 	at org.apache.hadoop.ipc.Client$Connection$2.run(Client.java:723)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:422)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
> 	at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:722)
> 	... 38 more
> Caused by: GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)
> 	at sun.security.jgss.krb5.Krb5InitCredential.getInstance(Krb5InitCredential.java:147)
> 	at sun.security.jgss.krb5.Krb5MechFactory.getCredentialElement(Krb5MechFactory.java:122)
> 	at sun.security.jgss.krb5.Krb5MechFactory.getMechanismContext(Krb5MechFactory.java:187)
> 	at sun.security.jgss.GSSManagerImpl.getMechanismContext(GSSManagerImpl.java:224)
> 	at sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:212)
> 	at sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:179)
> 	at com.sun.security.sasl.gsskerb.GssKrb5Client.evaluateChallenge(GssKrb5Client.java:192)
> 	... 47 more
> 15/07/16 13:01:50 WARN ipc.Client: Exception encountered while connecting to the server : javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 15/07/16 13:01:50 WARN retry.RetryInvocationHandler: Exception while invoking class org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.getFileInfo over jolokia2.labs.teradata.com/39.0.16.2:8020. Not retrying because failovers (15) exceeded maximum allowed (15)
> java.io.IOException: Failed on local exception: java.io.IOException: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]; Host Details : local host is: "jolokia3.labs.teradata.com/39.0.16.3"; destination host is: "jolokia2.labs.teradata.com":8020; 
> 	at org.apache.hadoop.net.NetUtils.wrapException(NetUtils.java:773)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1431)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1358)
> 	at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:229)
> 	at com.sun.proxy.$Proxy10.getFileInfo(Unknown Source)
> 	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.getFileInfo(ClientNamenodeProtocolTranslatorPB.java:771)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:187)
> 	at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:102)
> 	at com.sun.proxy.$Proxy11.getFileInfo(Unknown Source)
> 	at org.apache.hadoop.hdfs.DFSClient.getFileInfo(DFSClient.java:2116)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem$22.doCall(DistributedFileSystem.java:1305)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem$22.doCall(DistributedFileSystem.java:1301)
> 	at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem.getFileStatus(DistributedFileSystem.java:1301)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.runMapReduce(SequenceFilesFromDirectory.java:162)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.run(SequenceFilesFromDirectory.java:91)
> 	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
> 	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:84)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.main(SequenceFilesFromDirectory.java:65)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.util.ProgramDriver$ProgramDescription.invoke(ProgramDriver.java:71)
> 	at org.apache.hadoop.util.ProgramDriver.run(ProgramDriver.java:144)
> 	at org.apache.hadoop.util.ProgramDriver.driver(ProgramDriver.java:152)
> 	at org.apache.mahout.driver.MahoutDriver.main(MahoutDriver.java:195)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.util.RunJar.run(RunJar.java:221)
> 	at org.apache.hadoop.util.RunJar.main(RunJar.java:136)
> Caused by: java.io.IOException: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 	at org.apache.hadoop.ipc.Client$Connection$1.run(Client.java:685)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:422)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
> 	at org.apache.hadoop.ipc.Client$Connection.handleSaslConnectionFailure(Client.java:648)
> 	at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:735)
> 	at org.apache.hadoop.ipc.Client$Connection.access$2800(Client.java:373)
> 	at org.apache.hadoop.ipc.Client.getConnection(Client.java:1493)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1397)
> 	... 35 more
> Caused by: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 	at com.sun.security.sasl.gsskerb.GssKrb5Client.evaluateChallenge(GssKrb5Client.java:211)
> 	at org.apache.hadoop.security.SaslRpcClient.saslConnect(SaslRpcClient.java:413)
> 	at org.apache.hadoop.ipc.Client$Connection.setupSaslConnection(Client.java:558)
> 	at org.apache.hadoop.ipc.Client$Connection.access$1800(Client.java:373)
> 	at org.apache.hadoop.ipc.Client$Connection$2.run(Client.java:727)
> 	at org.apache.hadoop.ipc.Client$Connection$2.run(Client.java:723)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:422)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
> 	at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:722)
> 	... 38 more
> Caused by: GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)
> 	at sun.security.jgss.krb5.Krb5InitCredential.getInstance(Krb5InitCredential.java:147)
> 	at sun.security.jgss.krb5.Krb5MechFactory.getCredentialElement(Krb5MechFactory.java:122)
> 	at sun.security.jgss.krb5.Krb5MechFactory.getMechanismContext(Krb5MechFactory.java:187)
> 	at sun.security.jgss.GSSManagerImpl.getMechanismContext(GSSManagerImpl.java:224)
> 	at sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:212)
> 	at sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:179)
> 	at com.sun.security.sasl.gsskerb.GssKrb5Client.evaluateChallenge(GssKrb5Client.java:192)
> 	... 47 more
> Exception in thread "main" java.io.IOException: Failed on local exception: java.io.IOException: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]; Host Details : local host is: "jolokia3.labs.teradata.com/39.0.16.3"; destination host is: "jolokia2.labs.teradata.com":8020; 
> 	at org.apache.hadoop.net.NetUtils.wrapException(NetUtils.java:773)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1431)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1358)
> 	at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:229)
> 	at com.sun.proxy.$Proxy10.getFileInfo(Unknown Source)
> 	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.getFileInfo(ClientNamenodeProtocolTranslatorPB.java:771)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:187)
> 	at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:102)
> 	at com.sun.proxy.$Proxy11.getFileInfo(Unknown Source)
> 	at org.apache.hadoop.hdfs.DFSClient.getFileInfo(DFSClient.java:2116)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem$22.doCall(DistributedFileSystem.java:1305)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem$22.doCall(DistributedFileSystem.java:1301)
> 	at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem.getFileStatus(DistributedFileSystem.java:1301)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.runMapReduce(SequenceFilesFromDirectory.java:162)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.run(SequenceFilesFromDirectory.java:91)
> 	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
> 	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:84)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.main(SequenceFilesFromDirectory.java:65)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.util.ProgramDriver$ProgramDescription.invoke(ProgramDriver.java:71)
> 	at org.apache.hadoop.util.ProgramDriver.run(ProgramDriver.java:144)
> 	at org.apache.hadoop.util.ProgramDriver.driver(ProgramDriver.java:152)
> 	at org.apache.mahout.driver.MahoutDriver.main(MahoutDriver.java:195)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.util.RunJar.run(RunJar.java:221)
> 	at org.apache.hadoop.util.RunJar.main(RunJar.java:136)
> Caused by: java.io.IOException: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 	at org.apache.hadoop.ipc.Client$Connection$1.run(Client.java:685)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:422)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
> 	at org.apache.hadoop.ipc.Client$Connection.handleSaslConnectionFailure(Client.java:648)
> 	at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:735)
> 	at org.apache.hadoop.ipc.Client$Connection.access$2800(Client.java:373)
> 	at org.apache.hadoop.ipc.Client.getConnection(Client.java:1493)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1397)
> 	... 35 more
> Caused by: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 	at com.sun.security.sasl.gsskerb.GssKrb5Client.evaluateChallenge(GssKrb5Client.java:211)
> 	at org.apache.hadoop.security.SaslRpcClient.saslConnect(SaslRpcClient.java:413)
> 	at org.apache.hadoop.ipc.Client$Connection.setupSaslConnection(Client.java:558)
> 	at org.apache.hadoop.ipc.Client$Connection.access$1800(Client.java:373)
> 	at org.apache.hadoop.ipc.Client$Connection$2.run(Client.java:727)
> 	at org.apache.hadoop.ipc.Client$Connection$2.run(Client.java:723)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:422)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
> 	at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:722)
> 	... 38 more
> Caused by: GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)
> 	at sun.security.jgss.krb5.Krb5InitCredential.getInstance(Krb5InitCredential.java:147)
> 	at sun.security.jgss.krb5.Krb5MechFactory.getCredentialElement(Krb5MechFactory.java:122)
> 	at sun.security.jgss.krb5.Krb5MechFactory.getMechanismContext(Krb5MechFactory.java:187)
> 	at sun.security.jgss.GSSManagerImpl.getMechanismContext(GSSManagerImpl.java:224)
> 	at sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:212)
> 	at sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:179)
> 	at com.sun.security.sasl.gsskerb.GssKrb5Client.evaluateChallenge(GssKrb5Client.java:192)
> 	... 47 more
> 2015-07-16 13:02:03,349 - Retrying after 5 seconds. Reason: Execution of 'mahout seqdirectory --input /user/ambari-qa/mahoutsmokeinput/sample-mahout-test.txt --output /user/ambari-qa/mahoutsmokeoutput/ --charset utf-8' returned 1. MAHOUT_LOCAL is not set; adding HADOOP_CONF_DIR to classpath.
> Running on hadoop, using /usr/hdp/current/hadoop-client/bin/hadoop and HADOOP_CONF_DIR=/usr/hdp/current/hadoop-client/conf
> MAHOUT-JOB: /usr/hdp/2.3.0.0-2557/mahout/mahout-examples-0.9.0.2.3.0.0-2557-job.jar
> WARNING: Use "yarn jar" to launch YARN applications.
> 15/07/16 13:02:00 WARN driver.MahoutDriver: No seqdirectory.props found on classpath, will use command-line arguments only
> 15/07/16 13:02:00 INFO common.AbstractJob: Command line arguments: {--charset=[utf-8], --chunkSize=[64], --endPhase=[2147483647], --fileFilterClass=[org.apache.mahout.text.PrefixAdditionFilter], --input=[/user/ambari-qa/mahoutsmokeinput/sample-mahout-test.txt], --keyPrefix=[], --method=[mapreduce], --output=[/user/ambari-qa/mahoutsmokeoutput/], --startPhase=[0], --tempDir=[temp]}
> 15/07/16 13:02:01 WARN ipc.Client: Exception encountered while connecting to the server : javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 15/07/16 13:02:01 WARN ipc.Client: Exception encountered while connecting to the server : javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 15/07/16 13:02:01 INFO retry.RetryInvocationHandler: Exception while invoking getFileInfo of class ClientNamenodeProtocolTranslatorPB over jolokia2.labs.teradata.com/39.0.16.2:8020 after 1 fail over attempts. Trying to fail over immediately.
> java.io.IOException: Failed on local exception: java.io.IOException: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]; Host Details : local host is: "jolokia3.labs.teradata.com/39.0.16.3"; destination host is: "jolokia2.labs.teradata.com":8020; 
> 	at org.apache.hadoop.net.NetUtils.wrapException(NetUtils.java:773)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1431)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1358)
> 	at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:229)
> 	at com.sun.proxy.$Proxy10.getFileInfo(Unknown Source)
> 	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.getFileInfo(ClientNamenodeProtocolTranslatorPB.java:771)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:187)
> 	at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:102)
> 	at com.sun.proxy.$Proxy11.getFileInfo(Unknown Source)
> 	at org.apache.hadoop.hdfs.DFSClient.getFileInfo(DFSClient.java:2116)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem$22.doCall(DistributedFileSystem.java:1305)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem$22.doCall(DistributedFileSystem.java:1301)
> 	at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem.getFileStatus(DistributedFileSystem.java:1301)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.runMapReduce(SequenceFilesFromDirectory.java:162)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.run(SequenceFilesFromDirectory.java:91)
> 	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
> 	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:84)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.main(SequenceFilesFromDirectory.java:65)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.util.ProgramDriver$ProgramDescription.invoke(ProgramDriver.java:71)
> 	at org.apache.hadoop.util.ProgramDriver.run(ProgramDriver.java:144)
> 	at org.apache.hadoop.util.ProgramDriver.driver(ProgramDriver.java:152)
> 	at org.apache.mahout.driver.MahoutDriver.main(MahoutDriver.java:195)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.util.RunJar.run(RunJar.java:221)
> 	at org.apache.hadoop.util.RunJar.main(RunJar.java:136)
> Caused by: java.io.IOException: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 	at org.apache.hadoop.ipc.Client$Connection$1.run(Client.java:685)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:422)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
> 	at org.apache.hadoop.ipc.Client$Connection.handleSaslConnectionFailure(Client.java:648)
> 	at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:735)
> 	at org.apache.hadoop.ipc.Client$Connection.access$2800(Client.java:373)
> 	at org.apache.hadoop.ipc.Client.getConnection(Client.java:1493)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1397)
> 	... 35 more
> Caused by: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 	at com.sun.security.sasl.gsskerb.GssKrb5Client.evaluateChallenge(GssKrb5Client.java:211)
> 	at org.apache.hadoop.security.SaslRpcClient.saslConnect(SaslRpcClient.java:413)
> 	at org.apache.hadoop.ipc.Client$Connection.setupSaslConnection(Client.java:558)
> 	at org.apache.hadoop.ipc.Client$Connection.access$1800(Client.java:373)
> 	at org.apache.hadoop.ipc.Client$Connection$2.run(Client.java:727)
> 	at org.apache.hadoop.ipc.Client$Connection$2.run(Client.java:723)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:422)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
> 	at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:722)
> 	... 38 more
> Caused by: GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)
> 	at sun.security.jgss.krb5.Krb5InitCredential.getInstance(Krb5InitCredential.java:147)
> 	at sun.security.jgss.krb5.Krb5MechFactory.getCredentialElement(Krb5MechFactory.java:122)
> 	at sun.security.jgss.krb5.Krb5MechFactory.getMechanismContext(Krb5MechFactory.java:187)
> 	at sun.security.jgss.GSSManagerImpl.getMechanismContext(GSSManagerImpl.java:224)
> 	at sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:212)
> 	at sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:179)
> 	at com.sun.security.sasl.gsskerb.GssKrb5Client.evaluateChallenge(GssKrb5Client.java:192)
> 	... 47 more
> 15/07/16 13:02:01 WARN ipc.Client: Exception encountered while connecting to the server : javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 15/07/16 13:02:01 INFO retry.RetryInvocationHandler: Exception while invoking getFileInfo of class ClientNamenodeProtocolTranslatorPB over jolokia1.labs.teradata.com/39.0.16.1:8020 after 2 fail over attempts. Trying to fail over immediately.
> java.io.IOException: Failed on local exception: java.io.IOException: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]; Host Details : local host is: "jolokia3.labs.teradata.com/39.0.16.3"; destination host is: "jolokia1.labs.teradata.com":8020; 
> 	at org.apache.hadoop.net.NetUtils.wrapException(NetUtils.java:773)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1431)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1358)
> 	at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:229)
> 	at com.sun.proxy.$Proxy10.getFileInfo(Unknown Source)
> 	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.getFileInfo(ClientNamenodeProtocolTranslatorPB.java:771)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:187)
> 	at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:102)
> 	at com.sun.proxy.$Proxy11.getFileInfo(Unknown Source)
> 	at org.apache.hadoop.hdfs.DFSClient.getFileInfo(DFSClient.java:2116)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem$22.doCall(DistributedFileSystem.java:1305)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem$22.doCall(DistributedFileSystem.java:1301)
> 	at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem.getFileStatus(DistributedFileSystem.java:1301)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.runMapReduce(SequenceFilesFromDirectory.java:162)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.run(SequenceFilesFromDirectory.java:91)
> 	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
> 	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:84)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.main(SequenceFilesFromDirectory.java:65)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.util.ProgramDriver$ProgramDescription.invoke(ProgramDriver.java:71)
> 	at org.apache.hadoop.util.ProgramDriver.run(ProgramDriver.java:144)
> 	at org.apache.hadoop.util.ProgramDriver.driver(ProgramDriver.java:152)
> 	at org.apache.mahout.driver.MahoutDriver.main(MahoutDriver.java:195)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.util.RunJar.run(RunJar.java:221)
> 	at org.apache.hadoop.util.RunJar.main(RunJar.java:136)
> Caused by: java.io.IOException: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 	at org.apache.hadoop.ipc.Client$Connection$1.run(Client.java:685)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:422)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
> 	at org.apache.hadoop.ipc.Client$Connection.handleSaslConnectionFailure(Client.java:648)
> 	at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:735)
> 	at org.apache.hadoop.ipc.Client$Connection.access$2800(Client.java:373)
> 	at org.apache.hadoop.ipc.Client.getConnection(Client.java:1493)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1397)
> 	... 35 more
> Caused by: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 	at com.sun.security.sasl.gsskerb.GssKrb5Client.evaluateChallenge(GssKrb5Client.java:211)
> 	at org.apache.hadoop.security.SaslRpcClient.saslConnect(SaslRpcClient.java:413)
> 	at org.apache.hadoop.ipc.Client$Connection.setupSaslConnection(Client.java:558)
> 	at org.apache.hadoop.ipc.Client$Connection.access$1800(Client.java:373)
> 	at org.apache.hadoop.ipc.Client$Connection$2.run(Client.java:727)
> 	at org.apache.hadoop.ipc.Client$Connection$2.run(Client.java:723)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:422)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
> 	at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:722)
> 	... 38 more
> Caused by: GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)
> 	at sun.security.jgss.krb5.Krb5InitCredential.getInstance(Krb5InitCredential.java:147)
> 	at sun.security.jgss.krb5.Krb5MechFactory.getCredentialElement(Krb5MechFactory.java:122)
> 	at sun.security.jgss.krb5.Krb5MechFactory.getMechanismContext(Krb5MechFactory.java:187)
> 	at sun.security.jgss.GSSManagerImpl.getMechanismContext(GSSManagerImpl.java:224)
> 	at sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:212)
> 	at sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:179)
> 	at com.sun.security.sasl.gsskerb.GssKrb5Client.evaluateChallenge(GssKrb5Client.java:192)
> 	... 47 more
> 15/07/16 13:02:01 WARN ipc.Client: Exception encountered while connecting to the server : javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 15/07/16 13:02:01 INFO retry.RetryInvocationHandler: Exception while invoking getFileInfo of class ClientNamenodeProtocolTranslatorPB over jolokia2.labs.teradata.com/39.0.16.2:8020 after 3 fail over attempts. Trying to fail over immediately.
> java.io.IOException: Failed on local exception: java.io.IOException: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]; Host Details : local host is: "jolokia3.labs.teradata.com/39.0.16.3"; destination host is: "jolokia2.labs.teradata.com":8020; 
> 	at org.apache.hadoop.net.NetUtils.wrapException(NetUtils.java:773)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1431)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1358)
> 	at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:229)
> 	at com.sun.proxy.$Proxy10.getFileInfo(Unknown Source)
> 	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.getFileInfo(ClientNamenodeProtocolTranslatorPB.java:771)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:187)
> 	at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:102)
> 	at com.sun.proxy.$Proxy11.getFileInfo(Unknown Source)
> 	at org.apache.hadoop.hdfs.DFSClient.getFileInfo(DFSClient.java:2116)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem$22.doCall(DistributedFileSystem.java:1305)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem$22.doCall(DistributedFileSystem.java:1301)
> 	at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem.getFileStatus(DistributedFileSystem.java:1301)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.runMapReduce(SequenceFilesFromDirectory.java:162)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.run(SequenceFilesFromDirectory.java:91)
> 	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
> 	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:84)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.main(SequenceFilesFromDirectory.java:65)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.util.ProgramDriver$ProgramDescription.invoke(ProgramDriver.java:71)
> 	at org.apache.hadoop.util.ProgramDriver.run(ProgramDriver.java:144)
> 	at org.apache.hadoop.util.ProgramDriver.driver(ProgramDriver.java:152)
> 	at org.apache.mahout.driver.MahoutDriver.main(MahoutDriver.java:195)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.util.RunJar.run(RunJar.java:221)
> 	at org.apache.hadoop.util.RunJar.main(RunJar.java:136)
> Caused by: java.io.IOException: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 	at org.apache.hadoop.ipc.Client$Connection$1.run(Client.java:685)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:422)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
> 	at org.apache.hadoop.ipc.Client$Connection.handleSaslConnectionFailure(Client.java:648)
> 	at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:735)
> 	at org.apache.hadoop.ipc.Client$Connection.access$2800(Client.java:373)
> 	at org.apache.hadoop.ipc.Client.getConnection(Client.java:1493)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1397)
> 	... 35 more
> Caused by: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 	at com.sun.security.sasl.gsskerb.GssKrb5Client.evaluateChallenge(GssKrb5Client.java:211)
> 	at org.apache.hadoop.security.SaslRpcClient.saslConnect(SaslRpcClient.java:413)
> 	at org.apache.hadoop.ipc.Client$Connection.setupSaslConnection(Client.java:558)
> 	at org.apache.hadoop.ipc.Client$Connection.access$1800(Client.java:373)
> 	at org.apache.hadoop.ipc.Client$Connection$2.run(Client.java:727)
> 	at org.apache.hadoop.ipc.Client$Connection$2.run(Client.java:723)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:422)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
> 	at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:722)
> 	... 38 more
> Caused by: GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)
> 	at sun.security.jgss.krb5.Krb5InitCredential.getInstance(Krb5InitCredential.java:147)
> 	at sun.security.jgss.krb5.Krb5MechFactory.getCredentialElement(Krb5MechFactory.java:122)
> 	at sun.security.jgss.krb5.Krb5MechFactory.getMechanismContext(Krb5MechFactory.java:187)
> 	at sun.security.jgss.GSSManagerImpl.getMechanismContext(GSSManagerImpl.java:224)
> 	at sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:212)
> 	at sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:179)
> 	at com.sun.security.sasl.gsskerb.GssKrb5Client.evaluateChallenge(GssKrb5Client.java:192)
> 	... 47 more
> 15/07/16 13:02:01 WARN ipc.Client: Exception encountered while connecting to the server : javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 15/07/16 13:02:01 INFO retry.RetryInvocationHandler: Exception while invoking getFileInfo of class ClientNamenodeProtocolTranslatorPB over jolokia1.labs.teradata.com/39.0.16.1:8020 after 4 fail over attempts. Trying to fail over immediately.
> java.io.IOException: Failed on local exception: java.io.IOException: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]; Host Details : local host is: "jolokia3.labs.teradata.com/39.0.16.3"; destination host is: "jolokia1.labs.teradata.com":8020; 
> 	at org.apache.hadoop.net.NetUtils.wrapException(NetUtils.java:773)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1431)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1358)
> 	at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:229)
> 	at com.sun.proxy.$Proxy10.getFileInfo(Unknown Source)
> 	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.getFileInfo(ClientNamenodeProtocolTranslatorPB.java:771)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:187)
> 	at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:102)
> 	at com.sun.proxy.$Proxy11.getFileInfo(Unknown Source)
> 	at org.apache.hadoop.hdfs.DFSClient.getFileInfo(DFSClient.java:2116)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem$22.doCall(DistributedFileSystem.java:1305)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem$22.doCall(DistributedFileSystem.java:1301)
> 	at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem.getFileStatus(DistributedFileSystem.java:1301)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.runMapReduce(SequenceFilesFromDirectory.java:162)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.run(SequenceFilesFromDirectory.java:91)
> 	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
> 	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:84)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.main(SequenceFilesFromDirectory.java:65)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.util.ProgramDriver$ProgramDescription.invoke(ProgramDriver.java:71)
> 	at org.apache.hadoop.util.ProgramDriver.run(ProgramDriver.java:144)
> 	at org.apache.hadoop.util.ProgramDriver.driver(ProgramDriver.java:152)
> 	at org.apache.mahout.driver.MahoutDriver.main(MahoutDriver.java:195)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.util.RunJar.run(RunJar.java:221)
> 	at org.apache.hadoop.util.RunJar.main(RunJar.java:136)
> Caused by: java.io.IOException: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 	at org.apache.hadoop.ipc.Client$Connection$1.run(Client.java:685)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:422)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
> 	at org.apache.hadoop.ipc.Client$Connection.handleSaslConnectionFailure(Client.java:648)
> 	at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:735)
> 	at org.apache.hadoop.ipc.Client$Connection.access$2800(Client.java:373)
> 	at org.apache.hadoop.ipc.Client.getConnection(Client.java:1493)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1397)
> 	... 35 more
> Caused by: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 	at com.sun.security.sasl.gsskerb.GssKrb5Client.evaluateChallenge(GssKrb5Client.java:211)
> 	at org.apache.hadoop.security.SaslRpcClient.saslConnect(SaslRpcClient.java:413)
> 	at org.apache.hadoop.ipc.Client$Connection.setupSaslConnection(Client.java:558)
> 	at org.apache.hadoop.ipc.Client$Connection.access$1800(Client.java:373)
> 	at org.apache.hadoop.ipc.Client$Connection$2.run(Client.java:727)
> 	at org.apache.hadoop.ipc.Client$Connection$2.run(Client.java:723)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:422)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
> 	at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:722)
> 	... 38 more
> Caused by: GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)
> 	at sun.security.jgss.krb5.Krb5InitCredential.getInstance(Krb5InitCredential.java:147)
> 	at sun.security.jgss.krb5.Krb5MechFactory.getCredentialElement(Krb5MechFactory.java:122)
> 	at sun.security.jgss.krb5.Krb5MechFactory.getMechanismContext(Krb5MechFactory.java:187)
> 	at sun.security.jgss.GSSManagerImpl.getMechanismContext(GSSManagerImpl.java:224)
> 	at sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:212)
> 	at sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:179)
> 	at com.sun.security.sasl.gsskerb.GssKrb5Client.evaluateChallenge(GssKrb5Client.java:192)
> 	... 47 more
> 15/07/16 13:02:01 WARN ipc.Client: Exception encountered while connecting to the server : javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 15/07/16 13:02:01 INFO retry.RetryInvocationHandler: Exception while invoking getFileInfo of class ClientNamenodeProtocolTranslatorPB over jolokia2.labs.teradata.com/39.0.16.2:8020 after 5 fail over attempts. Trying to fail over immediately.
> java.io.IOException: Failed on local exception: java.io.IOException: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]; Host Details : local host is: "jolokia3.labs.teradata.com/39.0.16.3"; destination host is: "jolokia2.labs.teradata.com":8020; 
> 	at org.apache.hadoop.net.NetUtils.wrapException(NetUtils.java:773)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1431)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1358)
> 	at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:229)
> 	at com.sun.proxy.$Proxy10.getFileInfo(Unknown Source)
> 	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.getFileInfo(ClientNamenodeProtocolTranslatorPB.java:771)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:187)
> 	at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:102)
> 	at com.sun.proxy.$Proxy11.getFileInfo(Unknown Source)
> 	at org.apache.hadoop.hdfs.DFSClient.getFileInfo(DFSClient.java:2116)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem$22.doCall(DistributedFileSystem.java:1305)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem$22.doCall(DistributedFileSystem.java:1301)
> 	at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem.getFileStatus(DistributedFileSystem.java:1301)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.runMapReduce(SequenceFilesFromDirectory.java:162)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.run(SequenceFilesFromDirectory.java:91)
> 	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
> 	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:84)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.main(SequenceFilesFromDirectory.java:65)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.util.ProgramDriver$ProgramDescription.invoke(ProgramDriver.java:71)
> 	at org.apache.hadoop.util.ProgramDriver.run(ProgramDriver.java:144)
> 	at org.apache.hadoop.util.ProgramDriver.driver(ProgramDriver.java:152)
> 	at org.apache.mahout.driver.MahoutDriver.main(MahoutDriver.java:195)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.util.RunJar.run(RunJar.java:221)
> 	at org.apache.hadoop.util.RunJar.main(RunJar.java:136)
> Caused by: java.io.IOException: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 	at org.apache.hadoop.ipc.Client$Connection$1.run(Client.java:685)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:422)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
> 	at org.apache.hadoop.ipc.Client$Connection.handleSaslConnectionFailure(Client.java:648)
> 	at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:735)
> 	at org.apache.hadoop.ipc.Client$Connection.access$2800(Client.java:373)
> 	at org.apache.hadoop.ipc.Client.getConnection(Client.java:1493)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1397)
> 	... 35 more
> Caused by: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 	at com.sun.security.sasl.gsskerb.GssKrb5Client.evaluateChallenge(GssKrb5Client.java:211)
> 	at org.apache.hadoop.security.SaslRpcClient.saslConnect(SaslRpcClient.java:413)
> 	at org.apache.hadoop.ipc.Client$Connection.setupSaslConnection(Client.java:558)
> 	at org.apache.hadoop.ipc.Client$Connection.access$1800(Client.java:373)
> 	at org.apache.hadoop.ipc.Client$Connection$2.run(Client.java:727)
> 	at org.apache.hadoop.ipc.Client$Connection$2.run(Client.java:723)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:422)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
> 	at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:722)
> 	... 38 more
> Caused by: GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)
> 	at sun.security.jgss.krb5.Krb5InitCredential.getInstance(Krb5InitCredential.java:147)
> 	at sun.security.jgss.krb5.Krb5MechFactory.getCredentialElement(Krb5MechFactory.java:122)
> 	at sun.security.jgss.krb5.Krb5MechFactory.getMechanismContext(Krb5MechFactory.java:187)
> 	at sun.security.jgss.GSSManagerImpl.getMechanismContext(GSSManagerImpl.java:224)
> 	at sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:212)
> 	at sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:179)
> 	at com.sun.security.sasl.gsskerb.GssKrb5Client.evaluateChallenge(GssKrb5Client.java:192)
> 	... 47 more
> 15/07/16 13:02:01 WARN ipc.Client: Exception encountered while connecting to the server : javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 15/07/16 13:02:01 INFO retry.RetryInvocationHandler: Exception while invoking getFileInfo of class ClientNamenodeProtocolTranslatorPB over jolokia1.labs.teradata.com/39.0.16.1:8020 after 6 fail over attempts. Trying to fail over immediately.
> java.io.IOException: Failed on local exception: java.io.IOException: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]; Host Details : local host is: "jolokia3.labs.teradata.com/39.0.16.3"; destination host is: "jolokia1.labs.teradata.com":8020; 
> 	at org.apache.hadoop.net.NetUtils.wrapException(NetUtils.java:773)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1431)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1358)
> 	at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:229)
> 	at com.sun.proxy.$Proxy10.getFileInfo(Unknown Source)
> 	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.getFileInfo(ClientNamenodeProtocolTranslatorPB.java:771)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:187)
> 	at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:102)
> 	at com.sun.proxy.$Proxy11.getFileInfo(Unknown Source)
> 	at org.apache.hadoop.hdfs.DFSClient.getFileInfo(DFSClient.java:2116)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem$22.doCall(DistributedFileSystem.java:1305)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem$22.doCall(DistributedFileSystem.java:1301)
> 	at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem.getFileStatus(DistributedFileSystem.java:1301)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.runMapReduce(SequenceFilesFromDirectory.java:162)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.run(SequenceFilesFromDirectory.java:91)
> 	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
> 	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:84)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.main(SequenceFilesFromDirectory.java:65)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.util.ProgramDriver$ProgramDescription.invoke(ProgramDriver.java:71)
> 	at org.apache.hadoop.util.ProgramDriver.run(ProgramDriver.java:144)
> 	at org.apache.hadoop.util.ProgramDriver.driver(ProgramDriver.java:152)
> 	at org.apache.mahout.driver.MahoutDriver.main(MahoutDriver.java:195)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.util.RunJar.run(RunJar.java:221)
> 	at org.apache.hadoop.util.RunJar.main(RunJar.java:136)
> Caused by: java.io.IOException: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 	at org.apache.hadoop.ipc.Client$Connection$1.run(Client.java:685)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:422)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
> 	at org.apache.hadoop.ipc.Client$Connection.handleSaslConnectionFailure(Client.java:648)
> 	at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:735)
> 	at org.apache.hadoop.ipc.Client$Connection.access$2800(Client.java:373)
> 	at org.apache.hadoop.ipc.Client.getConnection(Client.java:1493)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1397)
> 	... 35 more
> Caused by: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 	at com.sun.security.sasl.gsskerb.GssKrb5Client.evaluateChallenge(GssKrb5Client.java:211)
> 	at org.apache.hadoop.security.SaslRpcClient.saslConnect(SaslRpcClient.java:413)
> 	at org.apache.hadoop.ipc.Client$Connection.setupSaslConnection(Client.java:558)
> 	at org.apache.hadoop.ipc.Client$Connection.access$1800(Client.java:373)
> 	at org.apache.hadoop.ipc.Client$Connection$2.run(Client.java:727)
> 	at org.apache.hadoop.ipc.Client$Connection$2.run(Client.java:723)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:422)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
> 	at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:722)
> 	... 38 more
> Caused by: GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)
> 	at sun.security.jgss.krb5.Krb5InitCredential.getInstance(Krb5InitCredential.java:147)
> 	at sun.security.jgss.krb5.Krb5MechFactory.getCredentialElement(Krb5MechFactory.java:122)
> 	at sun.security.jgss.krb5.Krb5MechFactory.getMechanismContext(Krb5MechFactory.java:187)
> 	at sun.security.jgss.GSSManagerImpl.getMechanismContext(GSSManagerImpl.java:224)
> 	at sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:212)
> 	at sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:179)
> 	at com.sun.security.sasl.gsskerb.GssKrb5Client.evaluateChallenge(GssKrb5Client.java:192)
> 	... 47 more
> 15/07/16 13:02:01 WARN ipc.Client: Exception encountered while connecting to the server : javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 15/07/16 13:02:01 INFO retry.RetryInvocationHandler: Exception while invoking getFileInfo of class ClientNamenodeProtocolTranslatorPB over jolokia2.labs.teradata.com/39.0.16.2:8020 after 7 fail over attempts. Trying to fail over immediately.
> java.io.IOException: Failed on local exception: java.io.IOException: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]; Host Details : local host is: "jolokia3.labs.teradata.com/39.0.16.3"; destination host is: "jolokia2.labs.teradata.com":8020; 
> 	at org.apache.hadoop.net.NetUtils.wrapException(NetUtils.java:773)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1431)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1358)
> 	at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:229)
> 	at com.sun.proxy.$Proxy10.getFileInfo(Unknown Source)
> 	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.getFileInfo(ClientNamenodeProtocolTranslatorPB.java:771)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:187)
> 	at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:102)
> 	at com.sun.proxy.$Proxy11.getFileInfo(Unknown Source)
> 	at org.apache.hadoop.hdfs.DFSClient.getFileInfo(DFSClient.java:2116)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem$22.doCall(DistributedFileSystem.java:1305)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem$22.doCall(DistributedFileSystem.java:1301)
> 	at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem.getFileStatus(DistributedFileSystem.java:1301)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.runMapReduce(SequenceFilesFromDirectory.java:162)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.run(SequenceFilesFromDirectory.java:91)
> 	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
> 	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:84)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.main(SequenceFilesFromDirectory.java:65)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.util.ProgramDriver$ProgramDescription.invoke(ProgramDriver.java:71)
> 	at org.apache.hadoop.util.ProgramDriver.run(ProgramDriver.java:144)
> 	at org.apache.hadoop.util.ProgramDriver.driver(ProgramDriver.java:152)
> 	at org.apache.mahout.driver.MahoutDriver.main(MahoutDriver.java:195)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.util.RunJar.run(RunJar.java:221)
> 	at org.apache.hadoop.util.RunJar.main(RunJar.java:136)
> Caused by: java.io.IOException: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 	at org.apache.hadoop.ipc.Client$Connection$1.run(Client.java:685)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:422)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
> 	at org.apache.hadoop.ipc.Client$Connection.handleSaslConnectionFailure(Client.java:648)
> 	at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:735)
> 	at org.apache.hadoop.ipc.Client$Connection.access$2800(Client.java:373)
> 	at org.apache.hadoop.ipc.Client.getConnection(Client.java:1493)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1397)
> 	... 35 more
> Caused by: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 	at com.sun.security.sasl.gsskerb.GssKrb5Client.evaluateChallenge(GssKrb5Client.java:211)
> 	at org.apache.hadoop.security.SaslRpcClient.saslConnect(SaslRpcClient.java:413)
> 	at org.apache.hadoop.ipc.Client$Connection.setupSaslConnection(Client.java:558)
> 	at org.apache.hadoop.ipc.Client$Connection.access$1800(Client.java:373)
> 	at org.apache.hadoop.ipc.Client$Connection$2.run(Client.java:727)
> 	at org.apache.hadoop.ipc.Client$Connection$2.run(Client.java:723)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:422)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
> 	at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:722)
> 	... 38 more
> Caused by: GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)
> 	at sun.security.jgss.krb5.Krb5InitCredential.getInstance(Krb5InitCredential.java:147)
> 	at sun.security.jgss.krb5.Krb5MechFactory.getCredentialElement(Krb5MechFactory.java:122)
> 	at sun.security.jgss.krb5.Krb5MechFactory.getMechanismContext(Krb5MechFactory.java:187)
> 	at sun.security.jgss.GSSManagerImpl.getMechanismContext(GSSManagerImpl.java:224)
> 	at sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:212)
> 	at sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:179)
> 	at com.sun.security.sasl.gsskerb.GssKrb5Client.evaluateChallenge(GssKrb5Client.java:192)
> 	... 47 more
> 15/07/16 13:02:01 WARN ipc.Client: Exception encountered while connecting to the server : javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 15/07/16 13:02:01 INFO retry.RetryInvocationHandler: Exception while invoking getFileInfo of class ClientNamenodeProtocolTranslatorPB over jolokia1.labs.teradata.com/39.0.16.1:8020 after 8 fail over attempts. Trying to fail over immediately.
> java.io.IOException: Failed on local exception: java.io.IOException: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]; Host Details : local host is: "jolokia3.labs.teradata.com/39.0.16.3"; destination host is: "jolokia1.labs.teradata.com":8020; 
> 	at org.apache.hadoop.net.NetUtils.wrapException(NetUtils.java:773)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1431)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1358)
> 	at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:229)
> 	at com.sun.proxy.$Proxy10.getFileInfo(Unknown Source)
> 	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.getFileInfo(ClientNamenodeProtocolTranslatorPB.java:771)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:187)
> 	at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:102)
> 	at com.sun.proxy.$Proxy11.getFileInfo(Unknown Source)
> 	at org.apache.hadoop.hdfs.DFSClient.getFileInfo(DFSClient.java:2116)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem$22.doCall(DistributedFileSystem.java:1305)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem$22.doCall(DistributedFileSystem.java:1301)
> 	at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem.getFileStatus(DistributedFileSystem.java:1301)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.runMapReduce(SequenceFilesFromDirectory.java:162)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.run(SequenceFilesFromDirectory.java:91)
> 	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
> 	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:84)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.main(SequenceFilesFromDirectory.java:65)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.util.ProgramDriver$ProgramDescription.invoke(ProgramDriver.java:71)
> 	at org.apache.hadoop.util.ProgramDriver.run(ProgramDriver.java:144)
> 	at org.apache.hadoop.util.ProgramDriver.driver(ProgramDriver.java:152)
> 	at org.apache.mahout.driver.MahoutDriver.main(MahoutDriver.java:195)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.util.RunJar.run(RunJar.java:221)
> 	at org.apache.hadoop.util.RunJar.main(RunJar.java:136)
> Caused by: java.io.IOException: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 	at org.apache.hadoop.ipc.Client$Connection$1.run(Client.java:685)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:422)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
> 	at org.apache.hadoop.ipc.Client$Connection.handleSaslConnectionFailure(Client.java:648)
> 	at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:735)
> 	at org.apache.hadoop.ipc.Client$Connection.access$2800(Client.java:373)
> 	at org.apache.hadoop.ipc.Client.getConnection(Client.java:1493)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1397)
> 	... 35 more
> Caused by: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 	at com.sun.security.sasl.gsskerb.GssKrb5Client.evaluateChallenge(GssKrb5Client.java:211)
> 	at org.apache.hadoop.security.SaslRpcClient.saslConnect(SaslRpcClient.java:413)
> 	at org.apache.hadoop.ipc.Client$Connection.setupSaslConnection(Client.java:558)
> 	at org.apache.hadoop.ipc.Client$Connection.access$1800(Client.java:373)
> 	at org.apache.hadoop.ipc.Client$Connection$2.run(Client.java:727)
> 	at org.apache.hadoop.ipc.Client$Connection$2.run(Client.java:723)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:422)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
> 	at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:722)
> 	... 38 more
> Caused by: GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)
> 	at sun.security.jgss.krb5.Krb5InitCredential.getInstance(Krb5InitCredential.java:147)
> 	at sun.security.jgss.krb5.Krb5MechFactory.getCredentialElement(Krb5MechFactory.java:122)
> 	at sun.security.jgss.krb5.Krb5MechFactory.getMechanismContext(Krb5MechFactory.java:187)
> 	at sun.security.jgss.GSSManagerImpl.getMechanismContext(GSSManagerImpl.java:224)
> 	at sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:212)
> 	at sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:179)
> 	at com.sun.security.sasl.gsskerb.GssKrb5Client.evaluateChallenge(GssKrb5Client.java:192)
> 	... 47 more
> 15/07/16 13:02:01 WARN ipc.Client: Exception encountered while connecting to the server : javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 15/07/16 13:02:01 INFO retry.RetryInvocationHandler: Exception while invoking getFileInfo of class ClientNamenodeProtocolTranslatorPB over jolokia2.labs.teradata.com/39.0.16.2:8020 after 9 fail over attempts. Trying to fail over immediately.
> java.io.IOException: Failed on local exception: java.io.IOException: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]; Host Details : local host is: "jolokia3.labs.teradata.com/39.0.16.3"; destination host is: "jolokia2.labs.teradata.com":8020; 
> 	at org.apache.hadoop.net.NetUtils.wrapException(NetUtils.java:773)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1431)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1358)
> 	at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:229)
> 	at com.sun.proxy.$Proxy10.getFileInfo(Unknown Source)
> 	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.getFileInfo(ClientNamenodeProtocolTranslatorPB.java:771)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:187)
> 	at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:102)
> 	at com.sun.proxy.$Proxy11.getFileInfo(Unknown Source)
> 	at org.apache.hadoop.hdfs.DFSClient.getFileInfo(DFSClient.java:2116)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem$22.doCall(DistributedFileSystem.java:1305)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem$22.doCall(DistributedFileSystem.java:1301)
> 	at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem.getFileStatus(DistributedFileSystem.java:1301)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.runMapReduce(SequenceFilesFromDirectory.java:162)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.run(SequenceFilesFromDirectory.java:91)
> 	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
> 	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:84)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.main(SequenceFilesFromDirectory.java:65)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.util.ProgramDriver$ProgramDescription.invoke(ProgramDriver.java:71)
> 	at org.apache.hadoop.util.ProgramDriver.run(ProgramDriver.java:144)
> 	at org.apache.hadoop.util.ProgramDriver.driver(ProgramDriver.java:152)
> 	at org.apache.mahout.driver.MahoutDriver.main(MahoutDriver.java:195)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.util.RunJar.run(RunJar.java:221)
> 	at org.apache.hadoop.util.RunJar.main(RunJar.java:136)
> Caused by: java.io.IOException: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 	at org.apache.hadoop.ipc.Client$Connection$1.run(Client.java:685)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:422)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
> 	at org.apache.hadoop.ipc.Client$Connection.handleSaslConnectionFailure(Client.java:648)
> 	at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:735)
> 	at org.apache.hadoop.ipc.Client$Connection.access$2800(Client.java:373)
> 	at org.apache.hadoop.ipc.Client.getConnection(Client.java:1493)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1397)
> 	... 35 more
> Caused by: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 	at com.sun.security.sasl.gsskerb.GssKrb5Client.evaluateChallenge(GssKrb5Client.java:211)
> 	at org.apache.hadoop.security.SaslRpcClient.saslConnect(SaslRpcClient.java:413)
> 	at org.apache.hadoop.ipc.Client$Connection.setupSaslConnection(Client.java:558)
> 	at org.apache.hadoop.ipc.Client$Connection.access$1800(Client.java:373)
> 	at org.apache.hadoop.ipc.Client$Connection$2.run(Client.java:727)
> 	at org.apache.hadoop.ipc.Client$Connection$2.run(Client.java:723)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:422)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
> 	at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:722)
> 	... 38 more
> Caused by: GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)
> 	at sun.security.jgss.krb5.Krb5InitCredential.getInstance(Krb5InitCredential.java:147)
> 	at sun.security.jgss.krb5.Krb5MechFactory.getCredentialElement(Krb5MechFactory.java:122)
> 	at sun.security.jgss.krb5.Krb5MechFactory.getMechanismContext(Krb5MechFactory.java:187)
> 	at sun.security.jgss.GSSManagerImpl.getMechanismContext(GSSManagerImpl.java:224)
> 	at sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:212)
> 	at sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:179)
> 	at com.sun.security.sasl.gsskerb.GssKrb5Client.evaluateChallenge(GssKrb5Client.java:192)
> 	... 47 more
> 15/07/16 13:02:01 WARN ipc.Client: Exception encountered while connecting to the server : javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 15/07/16 13:02:01 INFO retry.RetryInvocationHandler: Exception while invoking getFileInfo of class ClientNamenodeProtocolTranslatorPB over jolokia1.labs.teradata.com/39.0.16.1:8020 after 10 fail over attempts. Trying to fail over immediately.
> java.io.IOException: Failed on local exception: java.io.IOException: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]; Host Details : local host is: "jolokia3.labs.teradata.com/39.0.16.3"; destination host is: "jolokia1.labs.teradata.com":8020; 
> 	at org.apache.hadoop.net.NetUtils.wrapException(NetUtils.java:773)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1431)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1358)
> 	at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:229)
> 	at com.sun.proxy.$Proxy10.getFileInfo(Unknown Source)
> 	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.getFileInfo(ClientNamenodeProtocolTranslatorPB.java:771)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:187)
> 	at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:102)
> 	at com.sun.proxy.$Proxy11.getFileInfo(Unknown Source)
> 	at org.apache.hadoop.hdfs.DFSClient.getFileInfo(DFSClient.java:2116)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem$22.doCall(DistributedFileSystem.java:1305)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem$22.doCall(DistributedFileSystem.java:1301)
> 	at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem.getFileStatus(DistributedFileSystem.java:1301)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.runMapReduce(SequenceFilesFromDirectory.java:162)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.run(SequenceFilesFromDirectory.java:91)
> 	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
> 	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:84)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.main(SequenceFilesFromDirectory.java:65)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.util.ProgramDriver$ProgramDescription.invoke(ProgramDriver.java:71)
> 	at org.apache.hadoop.util.ProgramDriver.run(ProgramDriver.java:144)
> 	at org.apache.hadoop.util.ProgramDriver.driver(ProgramDriver.java:152)
> 	at org.apache.mahout.driver.MahoutDriver.main(MahoutDriver.java:195)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.util.RunJar.run(RunJar.java:221)
> 	at org.apache.hadoop.util.RunJar.main(RunJar.java:136)
> Caused by: java.io.IOException: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 	at org.apache.hadoop.ipc.Client$Connection$1.run(Client.java:685)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:422)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
> 	at org.apache.hadoop.ipc.Client$Connection.handleSaslConnectionFailure(Client.java:648)
> 	at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:735)
> 	at org.apache.hadoop.ipc.Client$Connection.access$2800(Client.java:373)
> 	at org.apache.hadoop.ipc.Client.getConnection(Client.java:1493)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1397)
> 	... 35 more
> Caused by: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 	at com.sun.security.sasl.gsskerb.GssKrb5Client.evaluateChallenge(GssKrb5Client.java:211)
> 	at org.apache.hadoop.security.SaslRpcClient.saslConnect(SaslRpcClient.java:413)
> 	at org.apache.hadoop.ipc.Client$Connection.setupSaslConnection(Client.java:558)
> 	at org.apache.hadoop.ipc.Client$Connection.access$1800(Client.java:373)
> 	at org.apache.hadoop.ipc.Client$Connection$2.run(Client.java:727)
> 	at org.apache.hadoop.ipc.Client$Connection$2.run(Client.java:723)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:422)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
> 	at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:722)
> 	... 38 more
> Caused by: GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)
> 	at sun.security.jgss.krb5.Krb5InitCredential.getInstance(Krb5InitCredential.java:147)
> 	at sun.security.jgss.krb5.Krb5MechFactory.getCredentialElement(Krb5MechFactory.java:122)
> 	at sun.security.jgss.krb5.Krb5MechFactory.getMechanismContext(Krb5MechFactory.java:187)
> 	at sun.security.jgss.GSSManagerImpl.getMechanismContext(GSSManagerImpl.java:224)
> 	at sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:212)
> 	at sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:179)
> 	at com.sun.security.sasl.gsskerb.GssKrb5Client.evaluateChallenge(GssKrb5Client.java:192)
> 	... 47 more
> 15/07/16 13:02:01 WARN ipc.Client: Exception encountered while connecting to the server : javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 15/07/16 13:02:01 INFO retry.RetryInvocationHandler: Exception while invoking getFileInfo of class ClientNamenodeProtocolTranslatorPB over jolokia2.labs.teradata.com/39.0.16.2:8020 after 11 fail over attempts. Trying to fail over immediately.
> java.io.IOException: Failed on local exception: java.io.IOException: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]; Host Details : local host is: "jolokia3.labs.teradata.com/39.0.16.3"; destination host is: "jolokia2.labs.teradata.com":8020; 
> 	at org.apache.hadoop.net.NetUtils.wrapException(NetUtils.java:773)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1431)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1358)
> 	at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:229)
> 	at com.sun.proxy.$Proxy10.getFileInfo(Unknown Source)
> 	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.getFileInfo(ClientNamenodeProtocolTranslatorPB.java:771)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:187)
> 	at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:102)
> 	at com.sun.proxy.$Proxy11.getFileInfo(Unknown Source)
> 	at org.apache.hadoop.hdfs.DFSClient.getFileInfo(DFSClient.java:2116)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem$22.doCall(DistributedFileSystem.java:1305)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem$22.doCall(DistributedFileSystem.java:1301)
> 	at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem.getFileStatus(DistributedFileSystem.java:1301)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.runMapReduce(SequenceFilesFromDirectory.java:162)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.run(SequenceFilesFromDirectory.java:91)
> 	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
> 	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:84)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.main(SequenceFilesFromDirectory.java:65)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.util.ProgramDriver$ProgramDescription.invoke(ProgramDriver.java:71)
> 	at org.apache.hadoop.util.ProgramDriver.run(ProgramDriver.java:144)
> 	at org.apache.hadoop.util.ProgramDriver.driver(ProgramDriver.java:152)
> 	at org.apache.mahout.driver.MahoutDriver.main(MahoutDriver.java:195)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.util.RunJar.run(RunJar.java:221)
> 	at org.apache.hadoop.util.RunJar.main(RunJar.java:136)
> Caused by: java.io.IOException: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 	at org.apache.hadoop.ipc.Client$Connection$1.run(Client.java:685)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:422)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
> 	at org.apache.hadoop.ipc.Client$Connection.handleSaslConnectionFailure(Client.java:648)
> 	at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:735)
> 	at org.apache.hadoop.ipc.Client$Connection.access$2800(Client.java:373)
> 	at org.apache.hadoop.ipc.Client.getConnection(Client.java:1493)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1397)
> 	... 35 more
> Caused by: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 	at com.sun.security.sasl.gsskerb.GssKrb5Client.evaluateChallenge(GssKrb5Client.java:211)
> 	at org.apache.hadoop.security.SaslRpcClient.saslConnect(SaslRpcClient.java:413)
> 	at org.apache.hadoop.ipc.Client$Connection.setupSaslConnection(Client.java:558)
> 	at org.apache.hadoop.ipc.Client$Connection.access$1800(Client.java:373)
> 	at org.apache.hadoop.ipc.Client$Connection$2.run(Client.java:727)
> 	at org.apache.hadoop.ipc.Client$Connection$2.run(Client.java:723)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:422)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
> 	at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:722)
> 	... 38 more
> Caused by: GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)
> 	at sun.security.jgss.krb5.Krb5InitCredential.getInstance(Krb5InitCredential.java:147)
> 	at sun.security.jgss.krb5.Krb5MechFactory.getCredentialElement(Krb5MechFactory.java:122)
> 	at sun.security.jgss.krb5.Krb5MechFactory.getMechanismContext(Krb5MechFactory.java:187)
> 	at sun.security.jgss.GSSManagerImpl.getMechanismContext(GSSManagerImpl.java:224)
> 	at sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:212)
> 	at sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:179)
> 	at com.sun.security.sasl.gsskerb.GssKrb5Client.evaluateChallenge(GssKrb5Client.java:192)
> 	... 47 more
> 15/07/16 13:02:01 WARN ipc.Client: Exception encountered while connecting to the server : javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 15/07/16 13:02:01 INFO retry.RetryInvocationHandler: Exception while invoking getFileInfo of class ClientNamenodeProtocolTranslatorPB over jolokia1.labs.teradata.com/39.0.16.1:8020 after 12 fail over attempts. Trying to fail over immediately.
> java.io.IOException: Failed on local exception: java.io.IOException: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]; Host Details : local host is: "jolokia3.labs.teradata.com/39.0.16.3"; destination host is: "jolokia1.labs.teradata.com":8020; 
> 	at org.apache.hadoop.net.NetUtils.wrapException(NetUtils.java:773)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1431)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1358)
> 	at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:229)
> 	at com.sun.proxy.$Proxy10.getFileInfo(Unknown Source)
> 	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.getFileInfo(ClientNamenodeProtocolTranslatorPB.java:771)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:187)
> 	at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:102)
> 	at com.sun.proxy.$Proxy11.getFileInfo(Unknown Source)
> 	at org.apache.hadoop.hdfs.DFSClient.getFileInfo(DFSClient.java:2116)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem$22.doCall(DistributedFileSystem.java:1305)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem$22.doCall(DistributedFileSystem.java:1301)
> 	at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem.getFileStatus(DistributedFileSystem.java:1301)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.runMapReduce(SequenceFilesFromDirectory.java:162)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.run(SequenceFilesFromDirectory.java:91)
> 	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
> 	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:84)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.main(SequenceFilesFromDirectory.java:65)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.util.ProgramDriver$ProgramDescription.invoke(ProgramDriver.java:71)
> 	at org.apache.hadoop.util.ProgramDriver.run(ProgramDriver.java:144)
> 	at org.apache.hadoop.util.ProgramDriver.driver(ProgramDriver.java:152)
> 	at org.apache.mahout.driver.MahoutDriver.main(MahoutDriver.java:195)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.util.RunJar.run(RunJar.java:221)
> 	at org.apache.hadoop.util.RunJar.main(RunJar.java:136)
> Caused by: java.io.IOException: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 	at org.apache.hadoop.ipc.Client$Connection$1.run(Client.java:685)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:422)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
> 	at org.apache.hadoop.ipc.Client$Connection.handleSaslConnectionFailure(Client.java:648)
> 	at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:735)
> 	at org.apache.hadoop.ipc.Client$Connection.access$2800(Client.java:373)
> 	at org.apache.hadoop.ipc.Client.getConnection(Client.java:1493)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1397)
> 	... 35 more
> Caused by: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 	at com.sun.security.sasl.gsskerb.GssKrb5Client.evaluateChallenge(GssKrb5Client.java:211)
> 	at org.apache.hadoop.security.SaslRpcClient.saslConnect(SaslRpcClient.java:413)
> 	at org.apache.hadoop.ipc.Client$Connection.setupSaslConnection(Client.java:558)
> 	at org.apache.hadoop.ipc.Client$Connection.access$1800(Client.java:373)
> 	at org.apache.hadoop.ipc.Client$Connection$2.run(Client.java:727)
> 	at org.apache.hadoop.ipc.Client$Connection$2.run(Client.java:723)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:422)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
> 	at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:722)
> 	... 38 more
> Caused by: GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)
> 	at sun.security.jgss.krb5.Krb5InitCredential.getInstance(Krb5InitCredential.java:147)
> 	at sun.security.jgss.krb5.Krb5MechFactory.getCredentialElement(Krb5MechFactory.java:122)
> 	at sun.security.jgss.krb5.Krb5MechFactory.getMechanismContext(Krb5MechFactory.java:187)
> 	at sun.security.jgss.GSSManagerImpl.getMechanismContext(GSSManagerImpl.java:224)
> 	at sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:212)
> 	at sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:179)
> 	at com.sun.security.sasl.gsskerb.GssKrb5Client.evaluateChallenge(GssKrb5Client.java:192)
> 	... 47 more
> 15/07/16 13:02:01 WARN ipc.Client: Exception encountered while connecting to the server : javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 15/07/16 13:02:01 INFO retry.RetryInvocationHandler: Exception while invoking getFileInfo of class ClientNamenodeProtocolTranslatorPB over jolokia2.labs.teradata.com/39.0.16.2:8020 after 13 fail over attempts. Trying to fail over immediately.
> java.io.IOException: Failed on local exception: java.io.IOException: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]; Host Details : local host is: "jolokia3.labs.teradata.com/39.0.16.3"; destination host is: "jolokia2.labs.teradata.com":8020; 
> 	at org.apache.hadoop.net.NetUtils.wrapException(NetUtils.java:773)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1431)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1358)
> 	at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:229)
> 	at com.sun.proxy.$Proxy10.getFileInfo(Unknown Source)
> 	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.getFileInfo(ClientNamenodeProtocolTranslatorPB.java:771)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:187)
> 	at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:102)
> 	at com.sun.proxy.$Proxy11.getFileInfo(Unknown Source)
> 	at org.apache.hadoop.hdfs.DFSClient.getFileInfo(DFSClient.java:2116)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem$22.doCall(DistributedFileSystem.java:1305)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem$22.doCall(DistributedFileSystem.java:1301)
> 	at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem.getFileStatus(DistributedFileSystem.java:1301)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.runMapReduce(SequenceFilesFromDirectory.java:162)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.run(SequenceFilesFromDirectory.java:91)
> 	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
> 	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:84)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.main(SequenceFilesFromDirectory.java:65)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.util.ProgramDriver$ProgramDescription.invoke(ProgramDriver.java:71)
> 	at org.apache.hadoop.util.ProgramDriver.run(ProgramDriver.java:144)
> 	at org.apache.hadoop.util.ProgramDriver.driver(ProgramDriver.java:152)
> 	at org.apache.mahout.driver.MahoutDriver.main(MahoutDriver.java:195)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.util.RunJar.run(RunJar.java:221)
> 	at org.apache.hadoop.util.RunJar.main(RunJar.java:136)
> Caused by: java.io.IOException: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 	at org.apache.hadoop.ipc.Client$Connection$1.run(Client.java:685)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:422)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
> 	at org.apache.hadoop.ipc.Client$Connection.handleSaslConnectionFailure(Client.java:648)
> 	at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:735)
> 	at org.apache.hadoop.ipc.Client$Connection.access$2800(Client.java:373)
> 	at org.apache.hadoop.ipc.Client.getConnection(Client.java:1493)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1397)
> 	... 35 more
> Caused by: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 	at com.sun.security.sasl.gsskerb.GssKrb5Client.evaluateChallenge(GssKrb5Client.java:211)
> 	at org.apache.hadoop.security.SaslRpcClient.saslConnect(SaslRpcClient.java:413)
> 	at org.apache.hadoop.ipc.Client$Connection.setupSaslConnection(Client.java:558)
> 	at org.apache.hadoop.ipc.Client$Connection.access$1800(Client.java:373)
> 	at org.apache.hadoop.ipc.Client$Connection$2.run(Client.java:727)
> 	at org.apache.hadoop.ipc.Client$Connection$2.run(Client.java:723)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:422)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
> 	at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:722)
> 	... 38 more
> Caused by: GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)
> 	at sun.security.jgss.krb5.Krb5InitCredential.getInstance(Krb5InitCredential.java:147)
> 	at sun.security.jgss.krb5.Krb5MechFactory.getCredentialElement(Krb5MechFactory.java:122)
> 	at sun.security.jgss.krb5.Krb5MechFactory.getMechanismContext(Krb5MechFactory.java:187)
> 	at sun.security.jgss.GSSManagerImpl.getMechanismContext(GSSManagerImpl.java:224)
> 	at sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:212)
> 	at sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:179)
> 	at com.sun.security.sasl.gsskerb.GssKrb5Client.evaluateChallenge(GssKrb5Client.java:192)
> 	... 47 more
> 15/07/16 13:02:01 WARN ipc.Client: Exception encountered while connecting to the server : javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 15/07/16 13:02:01 INFO retry.RetryInvocationHandler: Exception while invoking getFileInfo of class ClientNamenodeProtocolTranslatorPB over jolokia1.labs.teradata.com/39.0.16.1:8020 after 14 fail over attempts. Trying to fail over immediately.
> java.io.IOException: Failed on local exception: java.io.IOException: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]; Host Details : local host is: "jolokia3.labs.teradata.com/39.0.16.3"; destination host is: "jolokia1.labs.teradata.com":8020; 
> 	at org.apache.hadoop.net.NetUtils.wrapException(NetUtils.java:773)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1431)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1358)
> 	at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:229)
> 	at com.sun.proxy.$Proxy10.getFileInfo(Unknown Source)
> 	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.getFileInfo(ClientNamenodeProtocolTranslatorPB.java:771)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:187)
> 	at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:102)
> 	at com.sun.proxy.$Proxy11.getFileInfo(Unknown Source)
> 	at org.apache.hadoop.hdfs.DFSClient.getFileInfo(DFSClient.java:2116)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem$22.doCall(DistributedFileSystem.java:1305)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem$22.doCall(DistributedFileSystem.java:1301)
> 	at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem.getFileStatus(DistributedFileSystem.java:1301)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.runMapReduce(SequenceFilesFromDirectory.java:162)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.run(SequenceFilesFromDirectory.java:91)
> 	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
> 	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:84)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.main(SequenceFilesFromDirectory.java:65)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.util.ProgramDriver$ProgramDescription.invoke(ProgramDriver.java:71)
> 	at org.apache.hadoop.util.ProgramDriver.run(ProgramDriver.java:144)
> 	at org.apache.hadoop.util.ProgramDriver.driver(ProgramDriver.java:152)
> 	at org.apache.mahout.driver.MahoutDriver.main(MahoutDriver.java:195)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.util.RunJar.run(RunJar.java:221)
> 	at org.apache.hadoop.util.RunJar.main(RunJar.java:136)
> Caused by: java.io.IOException: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 	at org.apache.hadoop.ipc.Client$Connection$1.run(Client.java:685)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:422)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
> 	at org.apache.hadoop.ipc.Client$Connection.handleSaslConnectionFailure(Client.java:648)
> 	at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:735)
> 	at org.apache.hadoop.ipc.Client$Connection.access$2800(Client.java:373)
> 	at org.apache.hadoop.ipc.Client.getConnection(Client.java:1493)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1397)
> 	... 35 more
> Caused by: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 	at com.sun.security.sasl.gsskerb.GssKrb5Client.evaluateChallenge(GssKrb5Client.java:211)
> 	at org.apache.hadoop.security.SaslRpcClient.saslConnect(SaslRpcClient.java:413)
> 	at org.apache.hadoop.ipc.Client$Connection.setupSaslConnection(Client.java:558)
> 	at org.apache.hadoop.ipc.Client$Connection.access$1800(Client.java:373)
> 	at org.apache.hadoop.ipc.Client$Connection$2.run(Client.java:727)
> 	at org.apache.hadoop.ipc.Client$Connection$2.run(Client.java:723)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:422)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
> 	at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:722)
> 	... 38 more
> Caused by: GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)
> 	at sun.security.jgss.krb5.Krb5InitCredential.getInstance(Krb5InitCredential.java:147)
> 	at sun.security.jgss.krb5.Krb5MechFactory.getCredentialElement(Krb5MechFactory.java:122)
> 	at sun.security.jgss.krb5.Krb5MechFactory.getMechanismContext(Krb5MechFactory.java:187)
> 	at sun.security.jgss.GSSManagerImpl.getMechanismContext(GSSManagerImpl.java:224)
> 	at sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:212)
> 	at sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:179)
> 	at com.sun.security.sasl.gsskerb.GssKrb5Client.evaluateChallenge(GssKrb5Client.java:192)
> 	... 47 more
> 15/07/16 13:02:01 WARN ipc.Client: Exception encountered while connecting to the server : javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 15/07/16 13:02:01 WARN retry.RetryInvocationHandler: Exception while invoking class org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.getFileInfo over jolokia2.labs.teradata.com/39.0.16.2:8020. Not retrying because failovers (15) exceeded maximum allowed (15)
> java.io.IOException: Failed on local exception: java.io.IOException: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]; Host Details : local host is: "jolokia3.labs.teradata.com/39.0.16.3"; destination host is: "jolokia2.labs.teradata.com":8020; 
> 	at org.apache.hadoop.net.NetUtils.wrapException(NetUtils.java:773)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1431)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1358)
> 	at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:229)
> 	at com.sun.proxy.$Proxy10.getFileInfo(Unknown Source)
> 	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.getFileInfo(ClientNamenodeProtocolTranslatorPB.java:771)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:187)
> 	at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:102)
> 	at com.sun.proxy.$Proxy11.getFileInfo(Unknown Source)
> 	at org.apache.hadoop.hdfs.DFSClient.getFileInfo(DFSClient.java:2116)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem$22.doCall(DistributedFileSystem.java:1305)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem$22.doCall(DistributedFileSystem.java:1301)
> 	at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem.getFileStatus(DistributedFileSystem.java:1301)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.runMapReduce(SequenceFilesFromDirectory.java:162)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.run(SequenceFilesFromDirectory.java:91)
> 	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
> 	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:84)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.main(SequenceFilesFromDirectory.java:65)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.util.ProgramDriver$ProgramDescription.invoke(ProgramDriver.java:71)
> 	at org.apache.hadoop.util.ProgramDriver.run(ProgramDriver.java:144)
> 	at org.apache.hadoop.util.ProgramDriver.driver(ProgramDriver.java:152)
> 	at org.apache.mahout.driver.MahoutDriver.main(MahoutDriver.java:195)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.util.RunJar.run(RunJar.java:221)
> 	at org.apache.hadoop.util.RunJar.main(RunJar.java:136)
> Caused by: java.io.IOException: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 	at org.apache.hadoop.ipc.Client$Connection$1.run(Client.java:685)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:422)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
> 	at org.apache.hadoop.ipc.Client$Connection.handleSaslConnectionFailure(Client.java:648)
> 	at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:735)
> 	at org.apache.hadoop.ipc.Client$Connection.access$2800(Client.java:373)
> 	at org.apache.hadoop.ipc.Client.getConnection(Client.java:1493)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1397)
> 	... 35 more
> Caused by: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 	at com.sun.security.sasl.gsskerb.GssKrb5Client.evaluateChallenge(GssKrb5Client.java:211)
> 	at org.apache.hadoop.security.SaslRpcClient.saslConnect(SaslRpcClient.java:413)
> 	at org.apache.hadoop.ipc.Client$Connection.setupSaslConnection(Client.java:558)
> 	at org.apache.hadoop.ipc.Client$Connection.access$1800(Client.java:373)
> 	at org.apache.hadoop.ipc.Client$Connection$2.run(Client.java:727)
> 	at org.apache.hadoop.ipc.Client$Connection$2.run(Client.java:723)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:422)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
> 	at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:722)
> 	... 38 more
> Caused by: GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)
> 	at sun.security.jgss.krb5.Krb5InitCredential.getInstance(Krb5InitCredential.java:147)
> 	at sun.security.jgss.krb5.Krb5MechFactory.getCredentialElement(Krb5MechFactory.java:122)
> 	at sun.security.jgss.krb5.Krb5MechFactory.getMechanismContext(Krb5MechFactory.java:187)
> 	at sun.security.jgss.GSSManagerImpl.getMechanismContext(GSSManagerImpl.java:224)
> 	at sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:212)
> 	at sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:179)
> 	at com.sun.security.sasl.gsskerb.GssKrb5Client.evaluateChallenge(GssKrb5Client.java:192)
> 	... 47 more
> Exception in thread "main" java.io.IOException: Failed on local exception: java.io.IOException: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]; Host Details : local host is: "jolokia3.labs.teradata.com/39.0.16.3"; destination host is: "jolokia2.labs.teradata.com":8020; 
> 	at org.apache.hadoop.net.NetUtils.wrapException(NetUtils.java:773)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1431)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1358)
> 	at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:229)
> 	at com.sun.proxy.$Proxy10.getFileInfo(Unknown Source)
> 	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.getFileInfo(ClientNamenodeProtocolTranslatorPB.java:771)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:187)
> 	at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:102)
> 	at com.sun.proxy.$Proxy11.getFileInfo(Unknown Source)
> 	at org.apache.hadoop.hdfs.DFSClient.getFileInfo(DFSClient.java:2116)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem$22.doCall(DistributedFileSystem.java:1305)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem$22.doCall(DistributedFileSystem.java:1301)
> 	at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem.getFileStatus(DistributedFileSystem.java:1301)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.runMapReduce(SequenceFilesFromDirectory.java:162)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.run(SequenceFilesFromDirectory.java:91)
> 	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
> 	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:84)
> 	at org.apache.mahout.text.SequenceFilesFromDirectory.main(SequenceFilesFromDirectory.java:65)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.util.ProgramDriver$ProgramDescription.invoke(ProgramDriver.java:71)
> 	at org.apache.hadoop.util.ProgramDriver.run(ProgramDriver.java:144)
> 	at org.apache.hadoop.util.ProgramDriver.driver(ProgramDriver.java:152)
> 	at org.apache.mahout.driver.MahoutDriver.main(MahoutDriver.java:195)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:483)
> 	at org.apache.hadoop.util.RunJar.run(RunJar.java:221)
> 	at org.apache.hadoop.util.RunJar.main(RunJar.java:136)
> Caused by: java.io.IOException: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 	at org.apache.hadoop.ipc.Client$Connection$1.run(Client.java:685)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:422)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
> 	at org.apache.hadoop.ipc.Client$Connection.handleSaslConnectionFailure(Client.java:648)
> 	at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:735)
> 	at org.apache.hadoop.ipc.Client$Connection.access$2800(Client.java:373)
> 	at org.apache.hadoop.ipc.Client.getConnection(Client.java:1493)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1397)
> 	... 35 more
> Caused by: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
> 	at com.sun.security.sasl.gsskerb.GssKrb5Client.evaluateChallenge(GssKrb5Client.java:211)
> 	at org.apache.hadoop.security.SaslRpcClient.saslConnect(SaslRpcClient.java:413)
> 	at org.apache.hadoop.ipc.Client$Connection.setupSaslConnection(Client.java:558)
> 	at org.apache.hadoop.ipc.Client$Connection.access$1800(Client.java:373)
> 	at org.apache.hadoop.ipc.Client$Connection$2.run(Client.java:727)
> 	at org.apache.hadoop.ipc.Client$Connection$2.run(Client.java:723)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:422)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
> 	at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:722)
> 	... 38 more
> Caused by: GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)
> 	at sun.security.jgss.krb5.Krb5InitCredential.getInstance(Krb5InitCredential.java:147)
> 	at sun.security.jgss.krb5.Krb5MechFactory.getCredentialElement(Krb5MechFactory.java:122)
> 	at sun.security.jgss.krb5.Krb5MechFactory.getMechanismContext(Krb5MechFactory.java:187)
> 	at sun.security.jgss.GSSManagerImpl.getMechanismContext(GSSManagerImpl.java:224)
> 	at sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:212)
> 	at sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:179)
> 	at com.sun.security.sasl.gsskerb.GssKrb5Client.evaluateChallenge(GssKrb5Client.java:192)
> 	... 47 more
> {code}



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