[jira] [Updated] (ZOOKEEPER-1816) ClientCnxn.close() should block until threads have died

["Samsung Galaxy Note (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/ZOOKEEPER-1816?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Samsung Galaxy Note updated ZOOKEEPER-1816:
-------------------------------------------

    Issue Type: Test  (was: Bug)

> ClientCnxn.close() should block until threads have died
> -------------------------------------------------------
>
>                 Key: ZOOKEEPER-1816
>                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-1816
>             Project: ZooKeeper
>          Issue Type: Test
>          Components: java client
>    Affects Versions: 3.3.6, 3.4.5
>            Reporter: Jared Winick
>            Priority: Minor
>
> In the testing of ACCUMULO-1379 and ACCUMULO-1858 it was seen that the non-blocking behavior of ClientCnxn.close(), and therefore ZooKeeper.close(), can cause a race condition when undeploying an application running in a Java container such as JBoss or Tomcat. As the close() method returns without joining on the sendThread and eventThread, those threads continue to execute/cleanup while the container is cleaning up the application's resources. If the container has unloaded classes by the time this code runs
> {code}
> ZooTrace.logTraceMessage(LOG, ZooTrace.getTextTraceLevel(), "SendThread exitedloop.");
> {code}
> A "java.lang.NoClassDefFoundError: org/apache/zookeeper/server/ZooTrace" can be seen. 



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