[jira] [Created] (AMQ-6534) QueueBrowser can view messages being processed by consumers which are not yet acknowledged

["Yogesh Rao (JIRA)" <ji...@apache.org>]

Yogesh Rao created AMQ-6534:
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             Summary: 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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