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https://issues.apache.org/jira/browse/MAPREDUCE-995?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12756983#action_12756983
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Hudson commented on MAPREDUCE-995:
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Integrated in Hadoop-Mapreduce-trunk-Commit #48 (See
[http://hudson.zones.apache.org/hudson/job/Hadoop-Mapreduce-trunk-Commit/48/])
. Fix a bug in JobHistory where tasks completing after the job
is closed cause a NPE. Contributed by Jothi Padmanabhan
> JobHistory should handle cases where task completion events are generated
> after job completion event
> ----------------------------------------------------------------------------------------------------
>
> Key: MAPREDUCE-995
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-995
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Reporter: Jothi Padmanabhan
> Assignee: Jothi Padmanabhan
> Priority: Critical
> Attachments: M995-2.patch, mapred-995-v1.patch, mapred-995.patch
>
>
> It is apparently possible, in certain circumstances (failed job, for
> example), for the job history to get task completion events after the job
> completion event. This currently causes NPE in job history.
> Thanks Hong for identifying this issue
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