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Posted to commits@beam.apache.org by "Aljoscha Krettek (JIRA)" <ji...@apache.org> on 2017/10/21 06:13:00 UTC
[jira] [Assigned] (BEAM-3087) Extend lock scope in Flink
UnboundedSourceWrapper
[ https://issues.apache.org/jira/browse/BEAM-3087?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Aljoscha Krettek reassigned BEAM-3087:
--------------------------------------
Assignee: (was: Aljoscha Krettek)
> Extend lock scope in Flink UnboundedSourceWrapper
> -------------------------------------------------
>
> Key: BEAM-3087
> URL: https://issues.apache.org/jira/browse/BEAM-3087
> Project: Beam
> Issue Type: Bug
> Components: runner-flink
> Reporter: Aljoscha Krettek
> Fix For: 2.3.0
>
>
> In {{UnboundedSourceWrapper}} the lock scope is not big enough: we synchronise in {{emitElement()}} but should instead synchronise inside the reader loop in {{run()}} because the {{Source}} interface does not allow concurrent calls.
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