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https://issues.apache.org/jira/browse/BEAM-11828?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17333402#comment-17333402
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Boyuan Zhang commented on BEAM-11828:
-------------------------------------
Talking to one customer regarding to the same problem, the customer found that
there is a high chance that the reader.close() is called before
CheckpointMark.finalizaCheckpointMark() is called, but
CheckpointMark.finalizaCheckpointMark() requires the reader still holds the
session. I think it's intended that the reader is closed before the runner
tries to finalize the checkpointMark. It indicates a implementation problem
inside JmsIO.
> JmsIO is not acknowledging messages correctly
> ---------------------------------------------
>
> Key: BEAM-11828
> URL: https://issues.apache.org/jira/browse/BEAM-11828
> Project: Beam
> Issue Type: Bug
> Components: io-java-jms
> Reporter: Seifeddine Gamoudi
> Priority: P1
>
> Hello,
> We noticed that messages consumption via JmsIO does not acknowledge messages
> properly.
> Some messages are never acknowledged which results in data loss.
> So when do messages get acknowledged by JmsIO?
> How do We make sure all messages are being acknowledged?
>
> Best regards,
> Seif
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