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From "Abhishek Singh Chouhan (JIRA)" <j...@apache.org>
Subject [jira] [Created] (ZOOKEEPER-3059) EventThread leak in case of Sasl AuthFailed
Date Mon, 11 Jun 2018 17:22:00 GMT
Abhishek Singh Chouhan created ZOOKEEPER-3059:
-------------------------------------------------

             Summary: EventThread leak in case of Sasl AuthFailed
                 Key: ZOOKEEPER-3059
                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-3059
             Project: ZooKeeper
          Issue Type: Bug
    Affects Versions: 3.4.12
            Reporter: Abhishek Singh Chouhan
            Assignee: Abhishek Singh Chouhan
         Attachments: stack_dump

In case of an authFailed sasl event we shutdown the send thread however we never close the
event thread. Even if the client tries to close the connection it results in a no-op since
we check for cnxn.getState().isAlive() which results in negative for auth failed state and
we return without cleaning up. For applications that retry in case of auth failed by closing
the existing connection and then trying to reconnect(eg. hbase replication) this eventually
ends up exhausting the system resources.



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