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https://issues.apache.org/jira/browse/BEAM-5308?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16604836#comment-16604836
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Thomas Weise commented on BEAM-5308:
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That is an optimization and a different issue. Here we have a bug that multiple
harnesses cannot run in a single JVM (which must be possible). Max has already
identified the bug, see linked PR.
> JobBundleFactory BindException with FlinkRunner and remote cluster
> ------------------------------------------------------------------
>
> Key: BEAM-5308
> URL: https://issues.apache.org/jira/browse/BEAM-5308
> Project: Beam
> Issue Type: Task
> Components: runner-flink
> Reporter: Thomas Weise
> Assignee: Maximilian Michels
> Priority: Major
> Labels: portability
> Time Spent: 20m
> Remaining Estimate: 0h
>
> Repeated execution of the same job on remote Flink cluster (not embedded in
> job server) fails with bind exception. There seem to be 2 issues:
> * Multiple instances of job bundle factory cannot be created (port conflict)
> * Job bundle factory is not released after job completes (and Docker
> container keeps on running). That's not the case in embedded mode).
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