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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-5641) Possible NPE in CapacityScheduler's MemoryMatcher
Date Tue, 12 May 2009 21:33:45 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-5641?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12708639#action_12708639
] 

Hudson commented on HADOOP-5641:
--------------------------------

Integrated in Hadoop-trunk #834 (See [http://hudson.zones.apache.org/hudson/job/Hadoop-trunk/834/])
    . Fix a NullPointerException in capacity scheduler's memory  based scheduling code when
jobs get retired. Contributed by Hemanth Yamijala.


> Possible NPE in CapacityScheduler's MemoryMatcher
> -------------------------------------------------
>
>                 Key: HADOOP-5641
>                 URL: https://issues.apache.org/jira/browse/HADOOP-5641
>             Project: Hadoop Core
>          Issue Type: Bug
>            Reporter: Vinod K V
>            Assignee: Hemanth Yamijala
>             Fix For: 0.20.1
>
>         Attachments: HADOOP-5641.patch
>
>
> MemoryMatches does a job lookup based on a JobID in its getMemReservedForTasks(TaskTrackerStatus
taskTracker) method. By this time, job might have been removed from JT's memory resulting
in a NPE.

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