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https://issues.apache.org/jira/browse/MAPREDUCE-1621?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Amareshwari Sriramadasu updated MAPREDUCE-1621:
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Status: Resolved (was: Patch Available)
Hadoop Flags: [Reviewed]
Assignee: Amareshwari Sriramadasu (was: Todd Lipcon)
Resolution: Fixed
I just committed this.
> Streaming's TextOutputReader.getLastOutput throws NPE if it has never read
> any output
> -------------------------------------------------------------------------------------
>
> Key: MAPREDUCE-1621
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-1621
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: contrib/streaming
> Affects Versions: 0.21.0
> Reporter: Todd Lipcon
> Assignee: Amareshwari Sriramadasu
> Fix For: 0.22.0
>
> Attachments: patch-1621.txt
>
>
> If TextOutputReader.readKeyValue() has never successfully read a line, then
> its bytes member will be left null. Thus when logging a task failure,
> PipeMapRed.getContext() can trigger an NPE when it calls
> outReader_.getLastOutput().
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