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https://issues.apache.org/jira/browse/BEAM-295?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15310069#comment-15310069
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ASF GitHub Bot commented on BEAM-295:
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Github user aljoscha closed the pull request at:
https://github.com/apache/incubator-beam/pull/347
> Flink Create Functions call Collector.close()
> ---------------------------------------------
>
> Key: BEAM-295
> URL: https://issues.apache.org/jira/browse/BEAM-295
> Project: Beam
> Issue Type: Bug
> Components: runner-flink
> Reporter: Aljoscha Krettek
> Assignee: Aljoscha Krettek
> Fix For: 0.1.0-incubating
>
>
> {{Collector.close()}} should only be called internally, by Flink. Calling
> close() in the user function, as we do in {{FlinkCreateFunction}} and
> {{FlinkStreamingCreateFunction}} will lead to downstream operations being
> closed twice, which can lead to faulty behavior.
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