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https://issues.apache.org/jira/browse/AMQ-4906?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Rob Davies resolved AMQ-4906.
-----------------------------
Resolution: Fixed
Fix Version/s: 5.10.0
> advisory producerCount = 0 is not received on temporary queue
> -------------------------------------------------------------
>
> Key: AMQ-4906
> URL: https://issues.apache.org/jira/browse/AMQ-4906
> Project: ActiveMQ
> Issue Type: Bug
> Components: Broker
> Affects Versions: 5.7.0
> Reporter: Christian Mamen
> Assignee: Rob Davies
> Fix For: 5.10.0
>
>
> i notice i never receive producer advisory messages
> (ActiveMQ.Advisory.Producer.Queue .[...]) with producerCount=0 when the
> client message producers on temporary queue are closed. i do receive
> producerCount > 0.
> However, the consumerCount (from ActiveMQ.Advisory.Consumer.Queue.[...])
> appears to work as expected.
> From looking into org.apache.activemq.advisory.AdvisoryBroker.java
> {code}
> @Override
> public void removeProducer(ConnectionContext context, ProducerInfo info)
> throws Exception {
> super.removeProducer(context, info);
> // Don't advise advisory topics.
> ActiveMQDestination dest = info.getDestination();
> if (info.getDestination() != null &&
> !AdvisorySupport.isAdvisoryTopic(dest)) {
> ActiveMQTopic topic =
> AdvisorySupport.getProducerAdvisoryTopic(dest);
> producers.remove(info.getProducerId());
> if (!dest.isTemporary() || destinations.contains(dest)) { //
> PLEASE NOTE: <== could this actually be destinations.containsKey(dest)
> fireProducerAdvisory(context, dest,topic,
> info.createRemoveCommand());
> }
> }
> }
> {code}
> as reference, the "working" removeConsumer method:
> {code}
> @Override
> public void removeConsumer(ConnectionContext context, ConsumerInfo info)
> throws Exception {
> super.removeConsumer(context, info);
> // Don't advise advisory topics.
> ActiveMQDestination dest = info.getDestination();
> if (!AdvisorySupport.isAdvisoryTopic(dest)) {
> ActiveMQTopic topic =
> AdvisorySupport.getConsumerAdvisoryTopic(dest);
> consumers.remove(info);
> if (!dest.isTemporary() || destinations.containsKey(dest)) {
> fireConsumerAdvisory(context,dest, topic,
> info.createRemoveCommand());
> }
> }
> }
> {code}
> Please note the destinations.containsKey(dest) vs destinations.contains(dest)
> (for concurrentHashMaps this is identical to containsValue()). I'm assuming
> the logic is to make sure the producer destination do exist in both cases
> I tested this with 5.7.0. the code is similar in 5.9.0
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