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https://issues.apache.org/jira/browse/FLINK-2710?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14877140#comment-14877140
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Stephan Ewen commented on FLINK-2710:
-------------------------------------
The stack trace shows a lot of lingering threads from completely unrelated
tests:
- Many tests that start a cluster are executed as unit tests, even though
they should be integration tests. The latter do not reuse JVM forks, which
means they test based on a clean slate.
- Apparently, the I/O manager does not properly shut down (or certain tests
forget to shut it down)
> SocketTextStreamFunctionTest failure
> ------------------------------------
>
> Key: FLINK-2710
> URL: https://issues.apache.org/jira/browse/FLINK-2710
> Project: Flink
> Issue Type: Bug
> Reporter: Sachin Goel
> Labels: test-stability
>
> testSocketSourceRetryTenTimes fails because of a deadlock.
> Here's the build log: https://travis-ci.org/apache/flink/jobs/81141426
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