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Date: Mon, 17 Aug 2009 05:56:15 -0700 (PDT)
From: "Amar Kamat (JIRA)" <jira@apache.org>
To: mapreduce-issues@hadoop.apache.org
Subject: [jira] Updated: (MAPREDUCE-807) Stray user files in
 mapred.system.dir with permissions other than 777 can prevent the
 jobtracker from starting up.
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     [ https://issues.apache.org/jira/browse/MAPREDUCE-807?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Amar Kamat updated MAPREDUCE-807:
---------------------------------

    Attachment: MAPRED-807-v1.3.patch

Attaching a patch. Testing in progress. Tested this patch manually and it works as expected.

> 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
>         Attachments: MAPRED-807-v1.1.patch, MAPRED-807-v1.2.patch, MAPRED-807-v1.3.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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