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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-6945) TaskCancelAsyncProducerConsumerITCase.testCancelAsyncProducerAndConsumer instable test case
Date Mon, 19 Jun 2017 10:56:00 GMT

    [ https://issues.apache.org/jira/browse/FLINK-6945?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16053798#comment-16053798
] 

ASF GitHub Bot commented on FLINK-6945:
---------------------------------------

Github user tillrohrmann commented on the issue:

    https://github.com/apache/flink/pull/4139
  
    Merging this PR since it is trivial.


> TaskCancelAsyncProducerConsumerITCase.testCancelAsyncProducerAndConsumer instable test
case
> -------------------------------------------------------------------------------------------
>
>                 Key: FLINK-6945
>                 URL: https://issues.apache.org/jira/browse/FLINK-6945
>             Project: Flink
>          Issue Type: Bug
>          Components: Tests
>    Affects Versions: 1.3.1, 1.4.0
>            Reporter: Till Rohrmann
>            Assignee: Till Rohrmann
>            Priority: Critical
>              Labels: test-stability
>             Fix For: 1.4.0, 1.3.2
>
>
> The test case {{TaskCancelAsyncProducerConsumerITCase.testCancelAsyncProducerAndConsumer}}
sometimes fails with a {{NullPointerException}} [1]. The reason is that contains a race condition
between a check and the initialization logic of a {{Thread}}.
> [1] https://s3.amazonaws.com/archive.travis-ci.org/jobs/243036022/log.txt



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