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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (ZOOKEEPER-2722) Flaky Test: org.apache.zookeeper.test.ReadOnlyModeTest.testSessionEstablishment
Date Wed, 15 Mar 2017 16:28:42 GMT

    [ https://issues.apache.org/jira/browse/ZOOKEEPER-2722?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15926503#comment-15926503
] 

ASF GitHub Bot commented on ZOOKEEPER-2722:
-------------------------------------------

Github user hanm commented on the issue:

    https://github.com/apache/zookeeper/pull/191
  
    So what happened chronically on Jenkins for this test could be:
    
    * ZK client connect to server. Watcher received connected (read only) events.
    * For some reasons when invoke zk.create we get a ConnectionLossException.
    * We did not retry zk.create so the test was marked as failed.



> Flaky Test: org.apache.zookeeper.test.ReadOnlyModeTest.testSessionEstablishment
> -------------------------------------------------------------------------------
>
>                 Key: ZOOKEEPER-2722
>                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-2722
>             Project: ZooKeeper
>          Issue Type: Bug
>          Components: tests
>    Affects Versions: 3.4.9, 3.5.2
>            Reporter: Michael Han
>            Assignee: Michael Han
>              Labels: flaky, flaky-build, flaky-test
>             Fix For: 3.5.3, 3.6.0
>
>
> {noformat}
> Error Message
> KeeperErrorCode = ConnectionLoss for /test
> Stacktrace
> org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode = ConnectionLoss
for /test
> 	at org.apache.zookeeper.KeeperException.create(KeeperException.java:99)
> 	at org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
> 	at org.apache.zookeeper.ZooKeeper.create(ZooKeeper.java:1423)
> 	at org.apache.zookeeper.test.ReadOnlyModeTest.testSessionEstablishment(ReadOnlyModeTest.java:238)
> 	at org.apache.zookeeper.JUnit4ZKTestRunner$LoggedInvokeMethod.evaluate(JUnit4ZKTestRunner.java:79)
> 	at java.util.concurrent.FutureTask.run(FutureTask.java:262)
> 	at java.lang.Thread.run(Thread.java:745)
> {noformat}
> Looks like we should retry before giving up.



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