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From "Christopher L. Shannon (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (AMQ-6947) Queue pending message count can go negative on duplicates
Date Tue, 17 Apr 2018 12:30:00 GMT

     [ https://issues.apache.org/jira/browse/AMQ-6947?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Christopher L. Shannon resolved AMQ-6947.
-----------------------------------------
       Resolution: Fixed
    Fix Version/s: 5.16.0

> Queue pending message count can go negative on duplicates
> ---------------------------------------------------------
>
>                 Key: AMQ-6947
>                 URL: https://issues.apache.org/jira/browse/AMQ-6947
>             Project: ActiveMQ
>          Issue Type: Bug
>          Components: Apollo, Broker
>    Affects Versions: 5.15.3
>            Reporter: Christopher L. Shannon
>            Assignee: Christopher L. Shannon
>            Priority: Minor
>             Fix For: 5.16.0, 5.15.4
>
>
> I have a found an edge case where the destination statistics counter on a Queue can go
negative if there are duplicate messages (which should be rare).  The issue is the statistic
is decremented but should not be because the message was already dropped since there was a
duplicate.  Also, another statistic is improperly incremented which is the dequeue counter.



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