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Date: Sat, 1 Sep 2012 23:41:20 +1100 (NCT)
From: "Hudson (JIRA)" <jira@apache.org>
To: mapreduce-issues@hadoop.apache.org
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Subject: [jira] [Commented] (MAPREDUCE-4614) Simplify debugging a job's
 tokens
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    [ https://issues.apache.org/jira/browse/MAPREDUCE-4614?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13446675#comment-13446675 ] 

Hudson commented on MAPREDUCE-4614:
-----------------------------------

Integrated in Hadoop-Hdfs-0.23-Build #361 (See [https://builds.apache.org/job/Hadoop-Hdfs-0.23-Build/361/])
    MAPREDUCE-4614. Simplify debugging a job's tokens (daryn via bobby) (Revision 1379597)

     Result = UNSTABLE
bobby : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1379597
Files : 
* /hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/CHANGES.txt
* /hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/main/java/org/apache/hadoop/mapred/YarnChild.java
* /hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/JobSubmitter.java

                
> Simplify debugging a job's tokens
> ---------------------------------
>
>                 Key: MAPREDUCE-4614
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4614
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>          Components: client, task
>    Affects Versions: 0.23.3, 3.0.0, 2.2.0-alpha
>            Reporter: Daryn Sharp
>            Assignee: Daryn Sharp
>             Fix For: 0.23.3, 3.0.0, 2.2.0-alpha
>
>         Attachments: MAPREDUCE-4614.branch-23.patch, MAPREDUCE-4614.patch
>
>
> It's exceedingly difficult to debug token issues with a job.  Sometimes tokens appear to be missing, or have the wrong service, etc.  It would be much easier if job submission logged the tokens submitted, and if tasks logged the tokens they received.

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