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https://issues.apache.org/activemq/browse/AMQ-1322?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Rob Davies reassigned AMQ-1322:
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Assignee: Jonas Lim (was: Rob Davies)
> AdvisoryBroker leaks destinations created "from top" by the RegionBroker
> ------------------------------------------------------------------------
>
> Key: AMQ-1322
> URL: https://issues.apache.org/activemq/browse/AMQ-1322
> Project: ActiveMQ
> Issue Type: Bug
> Components: Broker
> Affects Versions: 4.1.1, 5.x
> Environment: activemq svn branch 4.1
> Reporter: Manuel Teira
> Assignee: Jonas Lim
> Attachments: AdvisoryBroker.patch
>
>
> Consider the following situation:
> - The AdvisoryBroker sends a message to a non existent yet advisory topic.
> (a producer advisory, for example).
> - The RegionBroker sends the request to the TopicRegion.
> - The TopicRegion automatically creates the new topic, sending:
> context.getBroker().addDestination(context, destination);
> - This eventually reaches again the AdvisoryBroker that adds the destination
> to its destination map.
> Now, when the queue that triggered the creation of the advisory topic is
> deleted, the AdvisoryBroker attempts to delete the consumer and producer
> related topics, but doesn't clear them from its own destination map.
> I'm attaching a proposed fix for the 4.1 branch, where:
> - The AdvisoryBroker tries to delete those producer and consumer advisories
> from top of the broker.
> - This is only made if the incoming destination is not a temporary itself, to
> avoid improper attempts to delete advisories of advisories.
> In the trunk , the situation is different.
> - The TopicRegion (actually in AbstracRegion code) creates the 'on demand'
> topics internally, without advising the RegionBroker.
> - So, since the RegionBroker is not aware of these newly created topics,
> AdvisoryBroker attempts to delete the producer and consumer advisory topics
> are futile.
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