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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-5154) staging directory deletion fails because delegation tokens have been cancelled
Date Wed, 01 May 2013 01:15:13 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-5154?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13646264#comment-13646264
] 

Hadoop QA commented on MAPREDUCE-5154:
--------------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12581283/MAPREDUCE-5154.patch
  against trunk revision .

    {color:red}-1 patch{color}.  The patch command could not apply the patch.

Console output: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/3566//console

This message is automatically generated.
                
> staging directory deletion fails because delegation tokens have been cancelled
> ------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-5154
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-5154
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: jobtracker
>    Affects Versions: 1.2.0
>            Reporter: Sandy Ryza
>            Assignee: Sandy Ryza
>         Attachments: MAPREDUCE-5154.patch, MAPREDUCE-5154.patch
>
>
> In a secure setup, the jobtracker needs the job's delegation tokens to delete the staging
directory.  MAPREDUCE-4850 made it so that job cleanup staging directory deletion occurs asynchronously,
so that it could order it with system directory deletion.  This introduced the issue that
a job's delegation tokens could be cancelled before the cleanup thread got around to deleting
it, causing the deletion to fail.

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