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https://issues.apache.org/jira/browse/FLINK-13605?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Kostas Kloudas closed FLINK-13605.
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Resolution: Fixed
Merged on master with 8b3430bb288500ed7ff381458a2ff8519876c993
and on release-1.9 with 7cb3c5f21976f8e811c92db09a21f3c290f97bb7
This fixed the instability but there seems to be a real underlying issue with
the {{AsyncWaitOperator}}. The problem is that there is no synchronisation
between the {{asyncInvoke()}} and the {{timeout()}} methods.
> AsyncDataStreamITCase.testUnorderedWait failed on Travis
> --------------------------------------------------------
>
> Key: FLINK-13605
> URL: https://issues.apache.org/jira/browse/FLINK-13605
> Project: Flink
> Issue Type: Bug
> Components: API / DataStream, Tests
> Affects Versions: 1.9.0
> Reporter: Kostas Kloudas
> Assignee: Biao Liu
> Priority: Blocker
> Labels: pull-request-available
> Fix For: 1.9.0
>
> Attachments: 0001-FLINK-13605.patch
>
> Time Spent: 10m
> Remaining Estimate: 0h
>
> An instance of the failure can be found here
> https://api.travis-ci.org/v3/job/568291353/log.txt
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