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https://issues.apache.org/jira/browse/MAPREDUCE-995?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jothi Padmanabhan updated MAPREDUCE-995:
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Attachment: mapred-995.patch
Straight Forward Patch.
Also, made fileMap a ConcurrentHashMap.
> 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
> Attachments: 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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