hadoop-common-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Sivva <svijaysand...@gmail.com>
Subject Re: Java programmatic authentication of Hadoop Kerberos
Date Wed, 21 Sep 2011 22:36:03 GMT

Hi Lakshmi,
Were you able to resolve the below issue. Even I'm facing the same issue,
but couldn't resolve it.
Please do reply me if you have the solution.

Thanks in advance.
Regards,
Sivva.

Sari1983 wrote:
> 
> Hi,
> 
> Kerberos has been configured for our Hadoop file system. I wish to do the
> authentication through a Java program. I'm able to perform the
> authentication using a normal java application. But, if I've any HDFS
> operations in the Java program, it's succeeded in reading the Keytab file,
> but showing some problems...
> org.apache.hadoop.security.UserGroupInformation loginUserFromKeytab
> INFO: Login successful for user <principal name> using keytab file
> <keytab.>
> 
> The problems (Exceptions are) ...
> 
> 
> org.apache.hadoop.security.UserGroupInformation reloginFromKeytab
> INFO: Initiating logout for <principal name>
> Mar 21, 2011 8:56:32 AM org.apache.hadoop.security.UserGroupInformation
> reloginFromKeytab
> INFO: Initiating re-login for <principal name>
> Mar 21, 2011 8:56:34 AM org.apache.hadoop.security.UserGroupInformation
> hasSufficientTimeElapsed
> WARNING: Not attempting to re-login since the last re-login was attempted
> less than 600 seconds before.
> Mar 21, 2011 8:56:38 AM org.apache.hadoop.security.UserGroupInformation
> hasSufficientTimeElapsed
> WARNING: Not attempting to re-login since the last re-login was attempted
> less than 600 seconds before.
> ......
> Mar 21, 2011 8:56:51 AM org.apache.hadoop.security.UserGroupInformation
> hasSufficientTimeElapsed
> WARNING: Not attempting to re-login since the last re-login was attempted
> less than 600 seconds before.
> 
> Mar 21, 2011 8:57:13 AM org.apache.hadoop.ipc.Client$Connection$1 run
> WARNING: Couldn't setup connection for <Principal Name> to null
> Exception in thread "main" java.io.IOException: Call to <part of the
> principal name>/10.204.97.33:8020 failed on local exception:
> java.io.IOException: Couldn't setup connection for <principal name> to
> null
> 	at org.apache.hadoop.ipc.Client.wrapException(Client.java:1139)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1107)
> 	at org.apache.hadoop.ipc.RPC$Invoker.invoke(RPC.java:226)
> 	at $Proxy5.getProtocolVersion(Unknown Source)
> 	at org.apache.hadoop.ipc.RPC.getProxy(RPC.java:398)
> 	at org.apache.hadoop.ipc.RPC.getProxy(RPC.java:384)
> 	at org.apache.hadoop.hdfs.DFSClient.createRPCNamenode(DFSClient.java:111)
> 	at org.apache.hadoop.hdfs.DFSClient.<init>(DFSClient.java:213)
> 	at org.apache.hadoop.hdfs.DFSClient.<init>(DFSClient.java:180)
> 	at
> org.apache.hadoop.hdfs.DistributedFileSystem.initialize(DistributedFileSystem.java:89)
> 	at org.apache.hadoop.fs.FileSystem.createFileSystem(FileSystem.java:1514)
> 	at org.apache.hadoop.fs.FileSystem.access$200(FileSystem.java:67)
> 	at
> org.apache.hadoop.fs.FileSystem$Cache.getInternal(FileSystem.java:1548)
> 	at org.apache.hadoop.fs.FileSystem$Cache.get(FileSystem.java:1530)
> 	at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:228)
> 	at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:111)
> 	at Fil2.main(Fil2.java:27)
> Caused by: java.io.IOException: Couldn't setup connection for <principal
> name> to null
> 	at org.apache.hadoop.ipc.Client$Connection$1.run(Client.java:503)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:396)
> 	at
> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1115)
> 	at
> org.apache.hadoop.ipc.Client$Connection.handleSaslConnectionFailure(Client.java:456)
> 	at
> org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:558)
> 	at org.apache.hadoop.ipc.Client$Connection.access$2300(Client.java:210)
> 	at org.apache.hadoop.ipc.Client.getConnection(Client.java:1244)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1075)
> 	... 15 more
> Caused by: java.io.IOException: Failed to specify server's Kerberos
> principal name
> 	at org.apache.hadoop.security.SaslRpcClient.<init>(SaslRpcClient.java:85)
> 	at
> org.apache.hadoop.ipc.Client$Connection.setupSaslConnection(Client.java:413)
> 	at org.apache.hadoop.ipc.Client$Connection.access$1100(Client.java:210)
> 	at org.apache.hadoop.ipc.Client$Connection$2.run(Client.java:551)
> 	at org.apache.hadoop.ipc.Client$Connection$2.run(Client.java:548)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:396)
> 	at
> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1115)
> 	at
> org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:547)
> 	... 18 more
> 
> 
> Please help me in resolving this issue. It's very urgent. I'm new to
> Kerberos and Hadoop. I appreciate any help.
> 
> Thanks & Regards,
> Lakshmi
> 

-- 
View this message in context: http://old.nabble.com/Java-programmatic-authentication-of-Hadoop-Kerberos-tp31198827p32503781.html
Sent from the Hadoop core-user mailing list archive at Nabble.com.


Mime
View raw message