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Posted to mapreduce-issues@hadoop.apache.org by "Allen Wittenauer (JIRA)" <ji...@apache.org> on 2014/07/22 21:24:39 UTC

[jira] [Updated] (MAPREDUCE-403) ProcessTree can try and kill a "null" PID

     [ https://issues.apache.org/jira/browse/MAPREDUCE-403?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Allen Wittenauer updated MAPREDUCE-403:
---------------------------------------

    Summary: ProcessTree can try and kill a "null" PID  (was: ProcessTree can try and kill a "null" POD)

> ProcessTree can try and kill a "null" PID
> -----------------------------------------
>
>                 Key: MAPREDUCE-403
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-403
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>            Reporter: Steve Loughran
>            Priority: Minor
>
> Saw this in a test run, while trying to shut down a TaskTracker
> [sf-startdaemon-debug] 09/05/07 16:42:42 [Map-events fetcher for all reduce tasks on tracker_morzine.hpl.hp.com:localhost/127.0.0.1:36239] INFO mapred.TaskTracker : Shutting down: Map-events fetcher for all reduce tasks on tracker_morzine.hpl.hp.com:localhost/127.0.0.1:36239
> [sf-startdaemon-debug] 09/05/07 16:42:42 [TerminatorThread] WARN util.ProcessTree : Error executing shell command org.apache.hadoop.util.Shell$ExitCodeException: ERROR: garbage process ID "-null".



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