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From "Michael K. Edwards (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (ZOOKEEPER-2966) Flaky NullPointerException while closing client connection
Date Thu, 22 Nov 2018 00:40:00 GMT

    [ https://issues.apache.org/jira/browse/ZOOKEEPER-2966?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16695428#comment-16695428
] 

Michael K. Edwards commented on ZOOKEEPER-2966:
-----------------------------------------------

Fix needed for 3.5.5?

> Flaky NullPointerException while closing client connection
> ----------------------------------------------------------
>
>                 Key: ZOOKEEPER-2966
>                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-2966
>             Project: ZooKeeper
>          Issue Type: Sub-task
>          Components: java client
>    Affects Versions: 3.5.3
>            Reporter: Enrico Olivelli
>            Priority: Critical
>
> It is not always reproducible, I get this in system tests of client applications.
> ZK client 3.5.3, stacktrace self-explains
> {code:java}
> java.lang.NullPointerException
>     at org.apache.zookeeper.ClientCnxnSocketNetty.onClosing(ClientCnxnSocketNetty.java:206)
>     at org.apache.zookeeper.ClientCnxn$SendThread.close(ClientCnxn.java:1395)
>     at org.apache.zookeeper.ClientCnxn.disconnect(ClientCnxn.java:1440)
>     at org.apache.zookeeper.ClientCnxn.close(ClientCnxn.java:1467)
>     at org.apache.zookeeper.ZooKeeper.close(ZooKeeper.java:1319){code}



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