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https://issues.apache.org/jira/browse/MAPREDUCE-4794?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jason Lowe updated MAPREDUCE-4794:
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Assignee: Jason Lowe
Target Version/s: 2.0.3-alpha, 0.23.6
Status: Patch Available (was: Open)
> DefaultSpeculator generates error messages on normal shutdown
> -------------------------------------------------------------
>
> Key: MAPREDUCE-4794
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-4794
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: applicationmaster
> Affects Versions: 2.0.1-alpha, 0.23.3
> Reporter: Jason Lowe
> Assignee: Jason Lowe
> Attachments: MAPREDUCE-4794.patch
>
>
> DefaultSpeculator can log the following error message on a normal shutdown of
> the ApplicationMaster:
> {noformat}
> 2012-11-13 01:35:31,841 ERROR [DefaultSpeculator background processing]
> org.apache.hadoop.mapreduce.v2.app.speculate.DefaultSpeculator: Background
> thread returning, interrupted : java.lang.InterruptedException
> {noformat}
> and in addition for some reason it logs the corresponding backtrace to stdout.
> Like the errors fixed in MAPREDUCE-4741, this error message in the syslog and
> backtrace on stdout can be confusing to users as to whether the job really
> succeeded.
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