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From "Chris Nauroth (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-5405) Job recovery can fail if task log directory symlink from prior run still exists
Date Fri, 19 Jul 2013 18:58:51 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-5405?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13713951#comment-13713951
] 

Chris Nauroth commented on MAPREDUCE-5405:
------------------------------------------

This is most easily repro'd as an intermittent failure in {{TestRecoveryManager}}.  It fails
more frequently for me on Windows, but it's a problem on any platform.
                
> Job recovery can fail if task log directory symlink from prior run still exists
> -------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-5405
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-5405
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: mrv1
>    Affects Versions: 1-win, 1.3.0
>            Reporter: Chris Nauroth
>            Assignee: Chris Nauroth
>
> During recovery, the task attempt log dir symlink from the prior run might still exist.
 If it does, then the recovered attempt will fail while trying to create a symlink at that
path.

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