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https://issues.apache.org/jira/browse/ZOOKEEPER-2683?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15854462#comment-15854462
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Mohammad Arshad commented on ZOOKEEPER-2683:
--------------------------------------------
Test case expectation is wrong. Test case is expecting the old leader to be the
follower only, which is not correct.
Old leader can become the leader again.
> RaceConditionTest is flaky
> --------------------------
>
> Key: ZOOKEEPER-2683
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-2683
> Project: ZooKeeper
> Issue Type: Bug
> Reporter: Mohammad Arshad
> Assignee: Mohammad Arshad
>
> *Error Message*
> {noformat}
> Leader failed to transition to LOOKING or FOLLOWING state
> {noformat}
> *Stacktrace*
> {noformat}
> junit.framework.AssertionFailedError: Leader failed to transition to LOOKING
> or FOLLOWING state
> at
> org.apache.zookeeper.server.quorum.RaceConditionTest.testRaceConditionBetweenLeaderAndAckRequestProcessor(RaceConditionTest.java:74)
> 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}
> [CI Failures
> Reference|https://builds.apache.org/job/PreCommit-ZOOKEEPER-github-pr-build/279//testReport/org.apache.zookeeper.server.quorum/RaceConditionTest/testRaceConditionBetweenLeaderAndAckRequestProcessor/]
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