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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-2756) JobControl can drop jobs if an error occurs
Date Fri, 02 Sep 2011 06:57:10 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-2756?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13095808#comment-13095808
] 

Hudson commented on MAPREDUCE-2756:
-----------------------------------

Integrated in Hadoop-Hdfs-trunk-Commit #900 (See [https://builds.apache.org/job/Hadoop-Hdfs-trunk-Commit/900/])
    MAPREDUCE-2756. Better error handling in JobControl for failed jobs. Contributed by Robert
Evans.

acmurthy : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1164255
Files : 
* /hadoop/common/trunk/hadoop-mapreduce-project/CHANGES.txt
* /hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/lib/jobcontrol/ControlledJob.java
* /hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/lib/jobcontrol/JobControl.java
* /hadoop/common/trunk/hadoop-mapreduce-project/src/test/unit/org/apache/hadoop/mapreduce/lib/jobcontrol/TestMapReduceJobControlWithMocks.java


> JobControl can drop jobs if an error occurs
> -------------------------------------------
>
>                 Key: MAPREDUCE-2756
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2756
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: client, mrv2
>    Affects Versions: 0.23.0
>            Reporter: Robert Joseph Evans
>            Assignee: Robert Joseph Evans
>            Priority: Minor
>             Fix For: 0.23.0
>
>         Attachments: MR-2756-V1.patch, MR-2756-trunk-v2.patch, MR-2756-trunk-v3.patch
>
>
> If you run a pig job with UDFs that has not been recompiled for MRV2.  There are situations
where pig will fail with an error message stating that Hadoop failed and did not give a reason.
 There is even the possibility of deadlock if an Error is thrown and the JobControl thread
dies.

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