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https://issues.apache.org/jira/browse/AMQ-5290?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14088484#comment-14088484
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Christian Posta commented on AMQ-5290:
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I have a unit test that shows this failing before your enhancements and working
afterward. Still debugging a little weird issue with the advisory messages+name
of these virtual-topic queues, but will post something/commit the test when got
it squared away. Looks pretty good on first glance :)
> MQTT clients using durable subscriptions on networked brokers received
> duplicates
> ---------------------------------------------------------------------------------
>
> Key: AMQ-5290
> URL: https://issues.apache.org/jira/browse/AMQ-5290
> Project: ActiveMQ
> Issue Type: Improvement
> Components: MQTT
> Affects Versions: 5.10.0
> Reporter: Timothy Bish
> Fix For: 5.11.0
>
>
> MQTT clients that create durable subscriptions and that operate in a network
> of Brokers can receive duplicate messages when they start failing back and
> forth between brokers in the network.
> We should investigate using Virtual Destinations under the covers instead of
> durable topics subscriptions as this is a known problem with the durable
> topic case. With Virtual Destinations the client would be subscribed to a
> Queue that would receive all messages sent to the target Topic.
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