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Date: Wed, 21 Mar 2012 21:06:38 +0000 (UTC)
From: "Mithun Radhakrishnan (Updated) (JIRA)" <jira@apache.org>
To: mapreduce-issues@hadoop.apache.org
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Subject: [jira] [Updated] (MAPREDUCE-4004) DistCp fails when invoked by
 Oozie
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     [ https://issues.apache.org/jira/browse/MAPREDUCE-4004?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Mithun Radhakrishnan updated MAPREDUCE-4004:
--------------------------------------------

    Attachment:     (was: DistCp_HadoopTokenFileLocation.patch)
    
> DistCp fails when invoked by Oozie
> ----------------------------------
>
>                 Key: MAPREDUCE-4004
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4004
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: distcp
>    Affects Versions: 0.23.1
>            Reporter: Mithun Radhakrishnan
>            Assignee: Mithun Radhakrishnan
>         Attachments: MAPREDUCE-4004-branch-0.23.1.patch, MAPREDUCE-4004.patch
>
>
> When DistCp is invoked through a proxy-user (e.g. through Oozie), the delegation-token-store isn't picked up by DistCp correctly. One sees failures such as:
> ERROR [main] org.apache.hadoop.tools.DistCp: Couldn't complete DistCp
> operation: 
> java.lang.SecurityException: Intercepted System.exit(-999)
>     at
> org.apache.oozie.action.hadoop.LauncherSecurityManager.checkExit(LauncherMapper.java:651)
>     at java.lang.Runtime.exit(Runtime.java:88)
>     at java.lang.System.exit(System.java:904)
>     at org.apache.hadoop.tools.DistCp.main(DistCp.java:357)
>     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.oozie.action.hadoop.LauncherMapper.map(LauncherMapper.java:394)
>     at org.apache.hadoop.mapred.MapRunner.run(MapRunner.java:54)
>     at org.apache.hadoop.mapred.MapTask.runOldMapper(MapTask.java:399)
>     at org.apache.hadoop.mapred.MapTask.run(MapTask.java:334)
>     at org.apache.hadoop.mapred.YarnChild$2.run(YarnChild.java:147)
>     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:1177)
>     at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:142)
> Looking over the DistCp code, one sees that HADOOP_TOKEN_FILE_LOCATION isn't being copied to mapreduce.job.credentials.binary, in the job-conf. I'll post a patch for this shortly.

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