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https://issues.apache.org/jira/browse/BEAM-2947?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16795631#comment-16795631
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Kenneth Knowles commented on BEAM-2947:
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[~lcwik] [~thw] [~lostluck] is this solved?
> SDK harnesses should be able to indicate panic in FnAPI
> -------------------------------------------------------
>
> Key: BEAM-2947
> URL: https://issues.apache.org/jira/browse/BEAM-2947
> Project: Beam
> Issue Type: Improvement
> Components: beam-model
> Reporter: Henning Rohde
> Priority: Minor
> Labels: portability, triaged
>
> If the SDK harness encounters a permanent problem (local file corruption or
> bad staged files, say) it should be able to rely that information to the
> runner as a "panic" message, say. Such conditions may also happen during the
> boot stage.
> Using process/container exit codes would likely not work well, because that
> information may not flow easily to the runner logic depending on how
> containers are managed.
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