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https://issues.apache.org/jira/browse/MAPREDUCE-2129?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13285337#comment-13285337
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Harsh J commented on MAPREDUCE-2129:
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bq. This issue is not applicable for trunk.

Can you also elaborate why, and how trunk has it fixed? Thanks!

Also, can we have an additional, fuller e2e test (or probably extend the 
max-failures-percent tests to toggle setup/cleanup as well), just for 
completion's sake?
                
> Job may hang if mapreduce.job.committer.setup.cleanup.needed=false and 
> mapreduce.map/reduce.failures.maxpercent>0
> -----------------------------------------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-2129
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2129
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: jobtracker
>    Affects Versions: 0.20.2, 0.20.3, 0.21.1
>            Reporter: Kang Xiao
>            Assignee: Subroto Sanyal
>              Labels: hadoop
>         Attachments: MAPREDUCE-2129.patch, MAPREDUCE-2129.patch, 
> MAPREDUCE-2129.patch
>
>
> Job may hang at RUNNING state if 
> mapreduce.job.committer.setup.cleanup.needed=false and 
> mapreduce.map/reduce.failures.maxpercent>0. It happens when some tasks fail 
> but havent reached failures.maxpercent.

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