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From "Enrico Olivelli (Jira)" <j...@apache.org>
Subject [jira] [Updated] (ZOOKEEPER-2407) EventThread in ClientCnxn can't be closed when SendThread exits because of auth failed during reconnection
Date Fri, 06 Sep 2019 15:43:08 GMT

     [ https://issues.apache.org/jira/browse/ZOOKEEPER-2407?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Enrico Olivelli updated ZOOKEEPER-2407:
---------------------------------------
    Fix Version/s: 3.5.7

> EventThread in ClientCnxn can't be closed when SendThread exits because of auth failed
during reconnection
> ----------------------------------------------------------------------------------------------------------
>
>                 Key: ZOOKEEPER-2407
>                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-2407
>             Project: ZooKeeper
>          Issue Type: Bug
>    Affects Versions: 3.5.1
>            Reporter: sunhaitao
>            Assignee: sunhaitao
>            Priority: Major
>             Fix For: 3.6.0, 3.5.6, 3.5.7
>
>         Attachments: zookeeper-2407.patch
>
>
> EventThread in ClientCnxn can't be closed when SendThread exits because of auth failed
during reconnection.
> for send thread if it is in authfailed state, the send thread exits,but the event thread
is still running.
> observation:
> use jstack tho check the thread running they find the send thread no longer exists but
event thread is still threre
> even when we call zookeeper.close(),the eventthread is still there.
> Stack trace: 
> sun.misc.Unsafe.park(Native Method)
> java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
> java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
> java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
> org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:514)



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