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https://issues.apache.org/jira/browse/ARTEMIS-3693?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17502479#comment-17502479
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Justin Bertram commented on ARTEMIS-3693:
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[~bradhgbst], thanks for the clarification. I updated the description.
> Ignore duplicates instead of returning error
> --------------------------------------------
>
> Key: ARTEMIS-3693
> URL: https://issues.apache.org/jira/browse/ARTEMIS-3693
> Project: ActiveMQ Artemis
> Issue Type: Improvement
> Reporter: Brad Harvey
> Priority: Major
>
> As an Artemis user I want the broker to ignore duplicate messages (but still
> process new messages) that are received in the same transaction and
> successfully commit instead of failing to commit the whole transaction and
> rejecting both the duplicates and new messages so that I don't have to
> implement custom error handling to sort out the duplicates from new messages
> and retry the new messages.
> The current [duplicate
> detection|https://activemq.apache.org/components/artemis/documentation/latest/duplicate-detection.html]
> returns an error back to producers when using a transaction. This forces the
> producer to implement custom error handling to distinguish this error from
> others.
> This is particularly problematic when multiple messages are sent in the same
> transaction - some may be duplicates while others are not, but they will all
> be rejected. It is difficult for the sender to untangle which is which.
> *Proposed Solution*
> * Add configuration at the address level to silently drop duplicates instead
> of rejecting them. Logging them is OK, but the transaction should complete
> successfully.
> * Update
> [documentation|https://activemq.apache.org/components/artemis/documentation/latest/duplicate-detection.html]
> to describe the new option.
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