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Posted to yarn-issues@hadoop.apache.org by "Steve Loughran (JIRA)" <ji...@apache.org> on 2016/01/14 21:47:39 UTC

[jira] [Created] (YARN-4593) Deadlock in AbstractService.getConfig()

Steve Loughran created YARN-4593:
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             Summary: Deadlock in AbstractService.getConfig()
                 Key: YARN-4593
                 URL: https://issues.apache.org/jira/browse/YARN-4593
             Project: Hadoop YARN
          Issue Type: Bug
          Components: yarn
    Affects Versions: 2.7.2
         Environment: AM restarting on kerberized cluster
            Reporter: Steve Loughran
            Assignee: Steve Loughran


SLIDER-1052 has found a deadlock which can arise in it during AM restart. Looking at the thread trace, one of the blockages is actually {{AbstractService.getConfig()}} —this is synchronized and so blocked.




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