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From "Harsh J (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (MAPREDUCE-4324) JobClient can perhaps set mapreduce.job.credentials.binary rather than expect its presence?
Date Thu, 07 Jun 2012 17:06:23 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-4324?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Harsh J updated MAPREDUCE-4324:
-------------------------------

    Component/s: security
    
> JobClient can perhaps set mapreduce.job.credentials.binary rather than expect its presence?
> -------------------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-4324
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4324
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: mrv1, mrv2, security
>    Affects Versions: 0.22.0, 2.0.0-alpha
>            Reporter: Harsh J
>            Assignee: Harsh J
>
> HDFS-1007 added in this requirement property "mapreduce.job.credentials.binary", that
has lead Oozie to add the following duplicate snippet to all its Job-launching main classes
such as the Pig, Hive, MR and Sqoop actions:
> {code}
> if (System.getenv("HADOOP_TOKEN_FILE_LOCATION") != null) {
>             jobConf.set("mapreduce.job.credentials.binary", System.getenv("HADOOP_TOKEN_FILE_LOCATION"));
> }
> {code}
> Same is required for any client program that launches a job from within a task.
> Why can't this simply be set by the JobClient initialization bits itself? If no one imagines
it causing issues, I'd like to add this snippet somewhere in JobSubmitter before it requests
NN/JT, as otherwise we'd get…
> {code}
> org.apache.hadoop.ipc.RemoteException: java.io.IOException: Delegation Token can be issued
only with kerberos or web authentication 
> at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getDelegationToken(FSNamesystem.java:5509)

> at org.apache.hadoop.hdfs.server.namenode.NameNode.getDelegationToken(NameNode.java:536)

> at sun.reflect.GeneratedMethodAccessor31.invoke(Unknown Source) 
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)

> at java.lang.reflect.Method.invoke(Method.java:597) 
> at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:557) 
> at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1434) 
> at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1430) 
> 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:1157)

> at org.apache.hadoop.ipc.Server$Handler.run(Server.java:1428)
> at org.apache.hadoop.ipc.Client.call(Client.java:1107) 
> at org.apache.hadoop.ipc.RPC$Invoker.invoke(RPC.java:226) 
> at $Proxy6.getDelegationToken(Unknown Source) 
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) 
> at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) 
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)

> at java.lang.reflect.Method.invoke(Method.java:597) 
> at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:82)

> at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:59)

> at $Proxy6.getDelegationToken(Unknown Source) 
> at org.apache.hadoop.hdfs.DFSClient.getDelegationToken(DFSClient.java:331) 
> at org.apache.hadoop.hdfs.DistributedFileSystem.getDelegationToken(DistributedFileSystem.java:605)

> at org.apache.hadoop.mapreduce.security.TokenCache.obtainTokensForNamenodesInternal(TokenCache.java:115)

> at org.apache.hadoop.mapreduce.security.TokenCache.obtainTokensForNamenodes(TokenCache.java:79)

> at org.apache.hadoop.mapred.JobClient$2.run(JobClient.java:851) 
> at org.apache.hadoop.mapred.JobClient$2.run(JobClient.java:833) 
> 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:1157)

> at org.apache.hadoop.mapred.JobClient.submitJobInternal(JobClient.java:833) 
> at org.apache.hadoop.mapred.JobClient.submitJob(JobClient.java:807) 
> at org.apache.hadoop.mapred.JobClient.runJob(JobClient.java:1242) 
> {code}
> … or similar errors when a user submits a job from a task running in a secured cluster.
> Let me know your thoughts on this!

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