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https://issues.apache.org/jira/browse/MAPREDUCE-807?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Devaraj Das resolved MAPREDUCE-807.
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Resolution: Fixed
Fix Version/s: 0.20.1
I just committed this. Thanks, Amar!
> Stray user files in mapred.system.dir with permissions other than 777 can
> prevent the jobtracker from starting up.
> ------------------------------------------------------------------------------------------------------------------
>
> Key: MAPREDUCE-807
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-807
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: jobtracker
> Reporter: Amar Kamat
> Assignee: Amar Kamat
> Priority: Blocker
> Fix For: 0.20.1
>
> Attachments: MAPRED-807-v1.1.patch, MAPRED-807-v1.2.patch,
> MAPRED-807-v1.3.patch, MAPRED-807-v1.4.patch, MAPRED-807-v1.6.patch,
> MAPRED-807-v1.7.patch, MAPREDUCE-807-v1.6-branch-0.20.patch,
> MAPREDUCE-807-v1.7-branch-0.20.patch
>
>
> With restart disabled, the jobtracker does a _rm -rf_ of the
> mapred.system.dir. If the mapred.system.dir contains user files with
> permissions other than 777 then the jobtracker gets stuck in a loop trying to
> delete the mapred.system.dir (and each time failing with
> AccessControlException).
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