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https://issues.apache.org/jira/browse/FLINK-31339?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17773936#comment-17773936
]
Jiabao Sun commented on FLINK-31339:
------------------------------------
I think the reason for this problem is that it exceeds the
`mini-batch.allow-latency`.
Other problems caused by the same cause:
* https://issues.apache.org/jira/browse/FLINK-31033
* https://issues.apache.org/jira/browse/FLINK-31141
* https://issues.apache.org/jira/browse/FLINK-32269
MINI-BATCH can have the same results in streaming and batch execution mode, but
this will lead to unstable testing.
I agree with [~lsy] that just sending one record for every group key in source
is a simple way to fix this problem.
> PlannerScalaFreeITCase.testImperativeUdaf
> -----------------------------------------
>
> Key: FLINK-31339
> URL: https://issues.apache.org/jira/browse/FLINK-31339
> Project: Flink
> Issue Type: Bug
> Components: Table SQL / Planner
> Affects Versions: 1.17.0
> Reporter: Matthias Pohl
> Priority: Major
> Labels: auto-deprioritized-critical, test-stability
>
> {{PlannerScalaFreeITCase.testImperativeUdaf}} failed:
> https://dev.azure.com/apache-flink/apache-flink/_build/results?buildId=46812&view=logs&j=87489130-75dc-54e4-1f45-80c30aa367a3&t=73da6d75-f30d-5d5a-acbe-487a9dcff678&l=15012
> {code}
> Mar 05 05:55:50 [ERROR] Tests run: 2, Failures: 1, Errors: 0, Skipped: 0,
> Time elapsed: 62.028 s <<< FAILURE! - in
> org.apache.flink.table.sql.codegen.PlannerScalaFreeITCase
> Mar 05 05:55:50 [ERROR] PlannerScalaFreeITCase.testImperativeUdaf Time
> elapsed: 40.924 s <<< FAILURE!
> Mar 05 05:55:50 org.opentest4j.AssertionFailedError: Did not get expected
> results before timeout, actual result:
> [{"before":null,"after":{"user_name":"Bob","order_cnt":1},"op":"c"},
> {"before":null,"after":{"user_name":"Alice","order_cnt":1},"op":"c"},
> {"before":{"user_name":"Bob","order_cnt":1},"after":null,"op":"d"},
> {"before":null,"after":{"user_name":"Bob","order_cnt":2},"op":"c"}]. ==>
> expected: <true> but was: <false>
> Mar 05 05:55:50 at
> org.junit.jupiter.api.AssertionFailureBuilder.build(AssertionFailureBuilder.java:151)
> Mar 05 05:55:50 at
> org.junit.jupiter.api.AssertionFailureBuilder.buildAndThrow(AssertionFailureBuilder.java:132)
> Mar 05 05:55:50 at
> org.junit.jupiter.api.AssertTrue.failNotTrue(AssertTrue.java:63)
> Mar 05 05:55:50 at
> org.junit.jupiter.api.AssertTrue.assertTrue(AssertTrue.java:36)
> Mar 05 05:55:50 at
> org.junit.jupiter.api.Assertions.assertTrue(Assertions.java:211)
> Mar 05 05:55:50 at
> org.apache.flink.table.sql.codegen.SqlITCaseBase.checkJsonResultFile(SqlITCaseBase.java:168)
> Mar 05 05:55:50 at
> org.apache.flink.table.sql.codegen.SqlITCaseBase.runAndCheckSQL(SqlITCaseBase.java:111)
> Mar 05 05:55:50 at
> org.apache.flink.table.sql.codegen.PlannerScalaFreeITCase.testImperativeUdaf(PlannerScalaFreeITCase.java:43)
> [...]
> {code}
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