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https://issues.apache.org/jira/browse/MAPREDUCE-2373?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Todd Lipcon updated MAPREDUCE-2373:
-----------------------------------
Attachment: mr-2373-amendment.txt
here's an amendment to this patch -- the issue is that setPermission can
actually throw ExitCodeException, which then caused an NPE in the catch clause.
When this patch is put on trunk/mrv2, we should include this amendment.
> When tasks exit with a nonzero exit status, task runner should log the stderr
> as well as stdout
> -----------------------------------------------------------------------------------------------
>
> Key: MAPREDUCE-2373
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-2373
> Project: Hadoop Map/Reduce
> Issue Type: Improvement
> Affects Versions: 0.22.0
> Reporter: Todd Lipcon
> Assignee: Todd Lipcon
> Fix For: 0.22.0
>
> Attachments: mapreduce-2373-on-20sec.txt, mr-2373-amendment.txt
>
>
> Currently, if the taskjvm.sh script fails to exec java for some reason, it
> prints its error message to stderr. This doesn't make it to the logs
> anywhere. Logging the stderr is very useful to understand why taskjvm.sh
> failed to start the Child jvm.
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