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