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https://issues.apache.org/jira/browse/FLINK-20309?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17269774#comment-17269774
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Huang Xingbo commented on FLINK-20309:
--------------------------------------
Maybe the failed test happened again.
[https://dev.azure.com/apache-flink/apache-flink/_build/results?buildId=12351&view=logs&j=baf26b34-3c6a-54e8-f93f-cf269b32f802&t=6dff16b1-bf54-58f3-23c6-76282f49a185]
{code:java}
[ERROR] execute[Parallel union, p =
10](org.apache.flink.test.checkpointing.UnalignedCheckpointITCase) Time
elapsed: 13.484 s <<< FAILURE!
java.lang.AssertionError:
NUM_LOST
Expected: <0L>
but: was <1L>
at org.hamcrest.MatcherAssert.assertThat(MatcherAssert.java:20)
{code}
> UnalignedCheckpointTestBase.execute is failed
> ---------------------------------------------
>
> Key: FLINK-20309
> URL: https://issues.apache.org/jira/browse/FLINK-20309
> Project: Flink
> Issue Type: Bug
> Components: Runtime / Checkpointing
> Affects Versions: 1.12.0, 1.13.0
> Reporter: Jark Wu
> Assignee: Arvid Heise
> Priority: Major
> Labels: pull-request-available, test-stability
> Fix For: 1.13.0, 1.12.2
>
>
> https://dev.azure.com/imjark/Flink/_build/results?buildId=345&view=logs&j=0a15d512-44ac-5ba5-97ab-13a5d066c22c&t=634cd701-c189-5dff-24cb-606ed884db87
> {code}
> [ERROR] Failures:
> [ERROR]
> org.apache.flink.test.checkpointing.UnalignedCheckpointITCase.execute[Parallel
> cogroup, p =
> 10](org.apache.flink.test.checkpointing.UnalignedCheckpointITCase)
> [ERROR] Run 1:
> UnalignedCheckpointITCase.execute:153->UnalignedCheckpointTestBase.execute:123
> NUM_OUT_OF_ORDER
> Expected: <0L>
> but: was <10063L>
> [ERROR] Run 2:
> UnalignedCheckpointITCase.execute:153->UnalignedCheckpointTestBase.execute:125
> NUM_LOST
> Expected: <0L>
> but: was <10037L>
> [INFO]
> [INFO]
> [ERROR] Tests run: 1592, Failures: 1, Errors: 0, Skipped: 44
> {code}
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