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https://issues.apache.org/jira/browse/AMQ-9654?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17973516#comment-17973516
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ASF subversion and git services commented on AMQ-9654:
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Commit 28c71aa4ee641bbd7f9caf685982cc65ef52a93e in activemq's branch 
refs/heads/main from Matt Pavlovich
[ https://gitbox.apache.org/repos/asf?p=activemq.git;h=28c71aa4ee ]

[AMQ-9654] Enhance SendDuplicateFromStoreToDLQTest to cover various policyEntry 
configurations


> Queue size incorrect even when queue is empty
> ---------------------------------------------
>
>                 Key: AMQ-9654
>                 URL: https://issues.apache.org/jira/browse/AMQ-9654
>             Project: ActiveMQ Classic
>          Issue Type: Bug
>    Affects Versions: 5.17.6
>            Reporter: Matt Pavlovich
>            Assignee: Matt Pavlovich
>            Priority: Major
>          Time Spent: 20m
>  Remaining Estimate: 0h
>
> Environment:
> Linux OS
> ActiveMQ 5.17.6 using network of brokers (2-3 brokers per cluster) 
> Cloud deployment with high frequency of network inconsistency
> 1. Queue size may reflect a small number of messages are still pending on the 
> queue (1 or 2), but there are no messages present. 
> 2. Broker restart corrects the messages
> 3. No clear indications of exception or error in broker or client-side logs
> 4. Application consuming messages using multiple consumers and 
> single-message-per-transaction using local transaction ack mode. (Camel JMS, 
> Spring, etc)
> 5. Across dozens of brokers processing 100's of millions of messages per 
> year, this will occur a handful of times in all.
> Suspect queue size counter consistency issue.



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