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From "Steve Loughran (Created) (JIRA)" <j...@apache.org>
Subject [jira] [Created] (MAPREDUCE-4023) Make Yarn Client service shutdown operations robust
Date Fri, 16 Mar 2012 15:37:37 GMT
Make Yarn Client service shutdown operations robust
---------------------------------------------------

                 Key: MAPREDUCE-4023
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4023
             Project: Hadoop Map/Reduce
          Issue Type: Sub-task
          Components: mrv2
    Affects Versions: 0.24.0, 0.23.2
            Reporter: Steve Loughran
            Assignee: Steve Loughran
            Priority: Minor
         Attachments: MAPREDUCE-4023.patch

Make the yarn client services more robust against being shut down while not started, or shutdown
more than once, by null-checking fields before closing them, setting to null afterwards to
prevent double-invocation. This is a subset of MAPREDUCE-3502

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