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Posted to yarn-dev@hadoop.apache.org by "Robert Kanter (JIRA)" <ji...@apache.org> on 2014/07/02 01:02:25 UTC

[jira] [Created] (YARN-2241) Show nicer messages when ZNodes already exist in ZKRMStateStore on startup

Robert Kanter created YARN-2241:
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             Summary: Show nicer messages when ZNodes already exist in ZKRMStateStore on startup
                 Key: YARN-2241
                 URL: https://issues.apache.org/jira/browse/YARN-2241
             Project: Hadoop YARN
          Issue Type: Bug
    Affects Versions: 2.5.0
            Reporter: Robert Kanter
            Assignee: Robert Kanter
            Priority: Minor


When using the RMZKStateStore, if you restart the RM, you get a bunch of stack traces with messages like {{org.apache.zookeeper.KeeperException$NodeExistsException: KeeperErrorCode = NodeExists for /rmstore}}.  This is expected as these nodes already exist from before.  We should catch these and print nicer messages.



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