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From "Mithun Radhakrishnan (Created) (JIRA)" <j...@apache.org>
Subject [jira] [Created] (MAPREDUCE-4004) DistCp fails when invoked by Oozie
Date Tue, 13 Mar 2012 20:34:39 GMT
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


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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