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https://issues.apache.org/jira/browse/AMQ-5813?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Daniel Kulp updated AMQ-5813:
-----------------------------
    Fix Version/s: 5.11.2

> TopicSubscriptions report a negative countBeforeFull statistic
> --------------------------------------------------------------
>
>                 Key: AMQ-5813
>                 URL: https://issues.apache.org/jira/browse/AMQ-5813
>             Project: ActiveMQ
>          Issue Type: Bug
>          Components: Broker
>    Affects Versions: 5.11.1
>            Reporter: Christopher L. Shannon
>            Assignee: Timothy Bish
>            Priority: Minor
>             Fix For: 5.11.2, 5.12.0
>
>
> The {{countBeforeFull}} method that is part of {{Subscription}} is supposed 
> to return the number of messages that the subscription can accept before it 
> is full.  This works fine for Durables and Queues (Prefetch subscriptions) 
> where the value is a positive value when it can accept more messages.  
> Usually the value will report the size of prefetch minus any prefetch 
> extension and dispatchedQueueSize.
> However, for a {{TopicSubscription}} this value is reversed and it is 
> subtracting prefetch from dispatchedQueueSize.  For example, if the prefetch 
> policy is set at 1000, this method will report "-1000" when calling 
> countBeforeFull.



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