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https://issues.apache.org/jira/browse/MAPREDUCE-6570?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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lachisis reopened MAPREDUCE-6570:
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> logs in MRAppMasterShutdownHook can not be output, beacuse Hook of Tasklog
> will be called to shutdown LogManager previously
> ----------------------------------------------------------------------------------------------------------------------------
>
> Key: MAPREDUCE-6570
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-6570
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: applicationmaster
> Affects Versions: 2.5.0, 2.6.0, 2.7.0
> Reporter: lachisis
> Assignee: lachisis
> Attachments: MAPREDUCE-6570-1.patch, MAPREDUCE-6570-2.patch,
> MAPREDUCE-6570-3.patch
>
>
> priority of MRAppMasterShutdownHook is 30, while priority of TaskLogHook is
> 50.
> when a applicationMaster received a signal to shutdown, actually TaskLogHook
> will be called first. Then when MRAppMasterShutdownHook be called next, no
> logs can be output.
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