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https://issues.apache.org/jira/browse/ZOOKEEPER-2508?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15413669#comment-15413669
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Arshad Mohammad commented on ZOOKEEPER-2508:
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# Corrected almost all the test cases which were doing zookeeper operations
without ensuring connection to the ZooKeeperServer
# Many places improved the test code by using existing test utilities.
> Many ZooKeeper tests are flaky because they proceed with zk operation without
> connecting to ZooKeeper server.
> -------------------------------------------------------------------------------------------------------------
>
> Key: ZOOKEEPER-2508
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-2508
> Project: ZooKeeper
> Issue Type: Bug
> Components: tests
> Reporter: Arshad Mohammad
> Assignee: Arshad Mohammad
> Fix For: 3.5.3
>
> Attachments: ZOOKEEPER-2508-01.patch
>
>
> Many ZooKeeper tests are flaky because they proceed with zk operation without
> connecting to ZooKeeper server.
> Recently in our build
> {{org.apache.zookeeper.server.ZooKeeperServerMainTest.testStandalone()}}
> failed.
> After analyzing we found that it is failed because it is not waiting for
> ZooKeeper client get connected to server. In this case normally zookeeper
> client gets connected immediately but if not connected immediately the test
> case is bound to fail.
> Not only ZooKeeperServerMainTest but there are many other classes which have
> such test cases. This jira is to address all those test cases.
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