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