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https://issues.apache.org/jira/browse/MAPREDUCE-4741?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Vinod Kumar Vavilapalli updated MAPREDUCE-4741:
-----------------------------------------------
Status: Patch Available (was: Open)
> WARN and ERROR messages logged during normal AM shutdown
> --------------------------------------------------------
>
> Key: MAPREDUCE-4741
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-4741
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: applicationmaster, mrv2
> Affects Versions: 2.0.1-alpha, 0.23.3
> Reporter: Jason Lowe
> Assignee: Vinod Kumar Vavilapalli
> Priority: Minor
> Attachments: MAPREDUCE-4741-20121023.txt
>
>
> The ApplicationMaster is logging WARN and ERROR messages during normal
> shutdown, and some users are misinterpreting these as serious problems. For
> example:
> {noformat}
> 2012-10-02 13:58:50,247 ERROR [ContainerLauncher Event Handler]
> org.apache.hadoop.mapreduce.v2.app.launcher.ContainerLauncherImpl: Returning,
> interrupted : java.lang.InterruptedException
> [...]
> 2012-10-02 13:58:50,248 ERROR [Thread-47]
> org.apache.hadoop.mapreduce.v2.app.rm.RMContainerAllocator: Returning,
> interrupted : java.lang.InterruptedException
> 2012-10-02 13:58:50,248 WARN [RMCommunicator Allocator]
> org.apache.hadoop.mapreduce.v2.app.rm.RMContainerAllocator: Allocated thread
> interrupted. Returning.
> [...]
> 2012-10-02 13:58:50,367 ERROR [TaskCleaner Event Handler]
> org.apache.hadoop.mapreduce.v2.app.taskclean.TaskCleanerImpl: Returning,
> interrupted : java.lang.InterruptedException
> {noformat}
> Warnings or errors should not be logged if everything is working as intended.
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