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From "Andor Molnar (Jira)" <j...@apache.org>
Subject [jira] [Reopened] (ZOOKEEPER-3470) Flaky test: LearnerMetricsTest.testLearnerMetricsTest()
Date Wed, 11 Sep 2019 12:31:00 GMT

     [ https://issues.apache.org/jira/browse/ZOOKEEPER-3470?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Andor Molnar reopened ZOOKEEPER-3470:
-------------------------------------

Unfortunately this is still flaky on Zookeeper-trunk:

[https://builds.apache.org/view/S-Z/view/ZooKeeper/job/ZooKeeper-trunk/690/]

> Flaky test: LearnerMetricsTest.testLearnerMetricsTest()
> -------------------------------------------------------
>
>                 Key: ZOOKEEPER-3470
>                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-3470
>             Project: ZooKeeper
>          Issue Type: Sub-task
>          Components: tests
>    Affects Versions: 3.6.0
>            Reporter: Andor Molnar
>            Assignee: Mate Szalay-Beko
>            Priority: Major
>              Labels: flaky, flaky-test, newbie, pull-request-available, test
>             Fix For: 3.6.0
>
>          Time Spent: 3h 10m
>  Remaining Estimate: 0h
>
> Hi team,
> New test testLearnerMetricsTest() added by the following commit failed 2 times on master
with the same error:
> junit.framework.AssertionFailedError: expected:<10> but was:<9>
>  at org.apache.zookeeper.server.quorum.LearnerMetricsTest.testLearnerMetricsTest(LearnerMetricsTest.java:88)
>  at org.apache.zookeeper.JUnit4ZKTestRunner$LoggedInvokeMethod.evaluate(JUnit4ZKTestRunner.java:80)
> [https://github.com/apache/zookeeper/pull/856]
> Submitted by: jhuan31
> Maybe we should just blame the Thread.sleep(200) in line:77 and replace it with some
clever logic.
> Please take a look.
> Regards,
> Andor



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