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https://issues.apache.org/jira/browse/FLINK-27042?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Chesnay Schepler closed FLINK-27042.
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Resolution: Fixed
master: 450a142a58d48c92a9c2c4c82c317cfdb9548a5f
> StreamTaskTest#testMailboxMetricsScheduling is unstable
> -------------------------------------------------------
>
> Key: FLINK-27042
> URL: https://issues.apache.org/jira/browse/FLINK-27042
> Project: Flink
> Issue Type: Technical Debt
> Components: Runtime / Task, Tests
> Affects Versions: 1.16.0
> Reporter: Chesnay Schepler
> Assignee: Sebastian Mattheis
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.16.0
>
>
> {code:java}
> java.lang.AssertionError:
> Expected: a value greater than <0L>
> but: <0L> was equal to <0L>
> at org.hamcrest.MatcherAssert.assertThat(MatcherAssert.java:20)
> at org.hamcrest.MatcherAssert.assertThat(MatcherAssert.java:8)
> at
> org.apache.flink.streaming.runtime.tasks.StreamTaskITCase.testMailboxMetricsScheduling(StreamTaskTest.java:1823)
> {code}
> Can be reproduced locally by looping the test. Probably due to wrong
> assumptions about 2 time measurements being different.
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