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From Jean-Baptiste Onofré (JIRA) <>
Subject [jira] [Resolved] (BEAM-2246) JmsIO should use CLIENT_ACK instead of AUTO_ACK
Date Wed, 31 May 2017 19:30:04 GMT


Jean-Baptiste Onofré resolved BEAM-2246.
       Resolution: Fixed
    Fix Version/s: 2.1.0

> JmsIO should use CLIENT_ACK instead of AUTO_ACK
> -----------------------------------------------
>                 Key: BEAM-2246
>                 URL:
>             Project: Beam
>          Issue Type: Bug
>          Components: sdk-java-extensions
>    Affects Versions: 0.6.0
>            Reporter: Jean-Baptiste Onofré
>            Assignee: Jean-Baptiste Onofré
>             Fix For: 2.1.0
> As {{JmsIO}} manages the messages acknowledgement in its checkpoint, it should not use
> With {{AUTO_ACK}}, the ack is sent to the JMS broker as soon as the message is consumed.
Basically, it means that the checkpoint is useless as, if something goes wrong in the pipeline,
the messages is already consumed from the broker (so no way to redeliver the message).
> Instead, {{JmsIO}} should use {{CLIENT_ACK}} and explicitly send the ack (commit) in
the checkpoint (the code is already in place). 

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