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From "Enrico Olivelli (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (ZOOKEEPER-2966) Flaky NullPointerException while closing client connection
Date Thu, 28 Feb 2019 13:21:00 GMT

     [ https://issues.apache.org/jira/browse/ZOOKEEPER-2966?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Enrico Olivelli resolved ZOOKEEPER-2966.
----------------------------------------
    Resolution: Cannot Reproduce

As reported of the issue I am closing it as "Cannot reproduce" in 3.5.5 since the Netty stack
changed

> 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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