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https://issues.apache.org/jira/browse/AMQ-6534?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15741664#comment-15741664
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Gary Tully commented on AMQ-6534:
---------------------------------
https://issues.apache.org/jira/browse/AMQ-5274 may have the fix that needs to
be applied in this case.
> QueueBrowser can view messages being processed by consumers which are not yet
> acknowledged
> ------------------------------------------------------------------------------------------
>
> Key: AMQ-6534
> URL: https://issues.apache.org/jira/browse/AMQ-6534
> Project: ActiveMQ
> Issue Type: Bug
> Components: Broker
> Affects Versions: 5.14.1
> Reporter: Yogesh Rao
>
> ActiveMQ's Queue Browser API returns messages list that includes the ones
> which currently getting processed by a consumer (not sent the
> acknowledgment). I have seen this behaviour in ActiveMQ 5.13.3 and 5.14.1
> To replicate this issue following needs to be done.
> 1. Publish 3 messages to queue Test
> 2. In a stand alone code have a message listener which goes to sleep call of
> onMessage() (sleep for 10 mins) (Session is transacted false and Auto
> Acknowledge)
> 3. In a different Stand alone code have a queue browser code with no selector
> specified.
> We can see that QueueBrowser returns all the three messages instead of 2.
> This behaviour differ from how Weblogic JMS, HornetQ and Apache Artemis work.
> I am not sure if the above behaviour is intended. However it would be a great
> if ActiveMQ provides a way for QueueBrowsers to not see unacknowledged
> messages.
> Disscussion on ActiveMQ Dev Forum :-
> http://activemq.2283324.n4.nabble.com/ActiveMQ-5-14-1-QueueBrowser-can-view-messages-being-processed-by-consumers-which-are-not-yet-unacknd-td4719662.html
>
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