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From "Hudson (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-3377) Compatibility issue with 0.20.203.
Date Fri, 30 Mar 2012 14:00:33 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-3377?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13242354#comment-13242354
] 

Hudson commented on MAPREDUCE-3377:
-----------------------------------

Integrated in Hadoop-Mapreduce-trunk #1035 (See [https://builds.apache.org/job/Hadoop-Mapreduce-trunk/1035/])
    MAPREDUCE-3377. Added a unit test to ensure OutputCommitter.checkOutputSpecs is called
prior to copying job.xml. Contributed by Jane Chen. (Revision 1306736)

     Result = SUCCESS
acmurthy : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1306736
Files : 
* /hadoop/common/trunk/hadoop-mapreduce-project/CHANGES.txt
* /hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapreduce/TestMROutputFormat.java

                
> Compatibility issue with 0.20.203.
> ----------------------------------
>
>                 Key: MAPREDUCE-3377
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-3377
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>    Affects Versions: 0.20.203.0
>         Environment: 0.20.203.0 standalone JDK 1.6 Linux
>            Reporter: Jane Chen
>            Assignee: Jane Chen
>             Fix For: 1.0.3, 2.0.0
>
>         Attachments: err-after, err-before, mapreduce-3377-branch-1.patch, mapreduce-3377-branch-1.patch,
mapreduce-3377.patch, mapreduce-3377.patch, mapreduce-3377.patch, mapreduce-3377.patch, out-after,
out-before
>
>
> I have an OutputFormat which implements Configurable.  I set new config entries to a
job configuration during checkOutputSpec() so that the tasks will get the config entries through
the job configuration.  This works fine in 0.20.2, but stopped working starting from 0.20.203.
 With 0.20.203, my OutputFormat still has the configuration set, but the copy a task gets
does not have the new entries that are set as part of checkOutputSpec().  
> I believe that the problem is with JobClient.  The job configuration needs to wait till
checkOutputSpec() is returned before being cloned and submitted.

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