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Posted to mapreduce-issues@hadoop.apache.org by "Jason Lowe (JIRA)" <ji...@apache.org> on 2014/02/13 21:39:24 UTC

[jira] [Assigned] (MAPREDUCE-5757) ConcurrentModificationException in JobControl.toList

     [ https://issues.apache.org/jira/browse/MAPREDUCE-5757?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jason Lowe reassigned MAPREDUCE-5757:
-------------------------------------

    Assignee: Jason Lowe

The locking in the fix for MAPREDUCE-5513 is mismatched.  The toList method is static and therefore locking the class, while the other methods are locking the object.

> ConcurrentModificationException in JobControl.toList
> ----------------------------------------------------
>
>                 Key: MAPREDUCE-5757
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-5757
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: client
>    Affects Versions: 0.23.10, 2.2.0
>            Reporter: Jason Lowe
>            Assignee: Jason Lowe
>
> Despite having the fix for MAPREDUCE-5513 we saw another ConcurrencyModificationException in JobControl, so something there still isn't fixed.



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