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https://issues.apache.org/jira/browse/QPID-7971?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16216601#comment-16216601
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Keith Wall commented on QPID-7971:
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The 0-10 path is different because on session detach, the
ConsumerTarget_0_10#stop is called with clears credit then tells the consumers
that {{setNotifyWorkDesired(false)}}. This masks the problem. The defect is
actually in AbstractConsumerTarget#close which clears {{_consumers}} before
calling {{setNotifyWorkDesired}}.
> [Java Broker] [AMQP1.0] [AMQP0-9] Queue#ConsumerCountWithCredit statistic not
> decremented when consumer disconnects
> -------------------------------------------------------------------------------------------------------------------
>
> Key: QPID-7971
> URL: https://issues.apache.org/jira/browse/QPID-7971
> Project: Qpid
> Issue Type: Bug
> Components: Java Broker
> Affects Versions: qpid-java-broker-7.0.0
> Reporter: Keith Wall
> Priority: Minor
> Fix For: qpid-java-broker-7.0.0
>
>
> Running {{HelloWorld}} against the Java Broker, I notice that the
> {{Queue#ConsumerCountWithCredit}} statistic does not return to zero after the
> connection is closed. The problem is not apparent -when using the older
> protocols-. Corrected: AMQP 0-9 also exhibits the same problem.
> I notice {{org.apache.qpid.server.consumer.AbstractConsumerTarget#close}}
> clears {{_consumers}} then calls {{setNotifyWorkDesired}} which iterates
> {{_consumers}}.
> I verified that v6.1 is not affected.
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