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https://issues.apache.org/jira/browse/FLINK-17682?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17106986#comment-17106986
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Rui Li commented on FLINK-17682:
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I think {{HiveModuleTest.testConstantReturnValue}} is unlikely to be the root
cause of the issue. The case is to test {{str_to_map}} function in hive which
is simple and returns a constant value. And it seems we're not stuck at any
hive connector code according to the thread dump.
I can update this test case to directly invoke the function, instead of
submitting a query. That should simplify the test and improve stability, but
then it might also hide the real problem here. [~pnowojski] what do you think?
> HiveModuleTest.testConstantReturnValue didn't finish
> ----------------------------------------------------
>
> Key: FLINK-17682
> URL: https://issues.apache.org/jira/browse/FLINK-17682
> Project: Flink
> Issue Type: Bug
> Components: Connectors / Hive
> Reporter: Piotr Nowojski
> Priority: Major
> Labels: test-stability
> Fix For: 1.11.0
>
>
> While testing a PR for FLINK-17663, HiveModuleTest.testConstantReturnValue
> didn't finish
> https://dev.azure.com/apache-flink/apache-flink/_build/results?buildId=1205&view=logs&j=fc5181b0-e452-5c8f-68de-1097947f6483&t=6b04ca5f-0b52-511d-19c9-52bf0d9fbdfa
> I've looped the code 2000 times on my local machine and it didn't happen
> again. Thread dump doesn't suggest any actual dead lock, more like something
> has crashed and didn't notify CLI (as there were very few active threads from
> Flink). It doesn't look like it was caused by FLINK-17663, but there is that
> possibility.
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