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From "Steve Loughran (JIRA)" <j...@apache.org>
Subject [jira] Created: (HADOOP-5781) ProcessTree can try and kill a "null" POD
Date Thu, 07 May 2009 15:47:30 GMT
ProcessTree can try and kill a "null" POD

                 Key: HADOOP-5781
                 URL: https://issues.apache.org/jira/browse/HADOOP-5781
             Project: Hadoop Core
          Issue Type: Bug
          Components: mapred
    Affects Versions: 0.21.0
            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/]
INFO mapred.TaskTracker : Shutting down: Map-events fetcher for all reduce tasks on tracker_morzine.hpl.hp.com:localhost/
[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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