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https://issues.apache.org/jira/browse/BEAM-1127?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15851369#comment-15851369
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ASF GitHub Bot commented on BEAM-1127:
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Github user asfgit closed the pull request at:
https://github.com/apache/beam/pull/1573
> JmsIO should create an unique source in case of topic
> -----------------------------------------------------
>
> Key: BEAM-1127
> URL: https://issues.apache.org/jira/browse/BEAM-1127
> Project: Beam
> Issue Type: Bug
> Components: sdk-java-extensions
> Reporter: Jean-Baptiste Onofré
> Assignee: Jean-Baptiste Onofré
>
> The JmsIO deals with both queue and topic.
> Currently, we create multiple sources depending of the desired number of
> splits.
> If this behavior is correct when using a queue (we have concurrent consumers
> of the queue), it's basically wrong when using a topic (we have multiple
> subscribers, so potentially duplicated message).
> When using a topic, the JmsIO should use an unique source (to avoid messages
> duplication).
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