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https://issues.apache.org/jira/browse/AMQ-5290?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Timothy Bish resolved AMQ-5290.
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Resolution: Fixed
Assignee: Timothy Bish
Implemented an initial solution which is to use a strategy to map all
subscriptions onto VirtualTopic queues and publish to topics as
VirtualTopic.<destination>. We can refine this as it starts to be used and we
see what needs to change to make it better.
> 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
> Assignee: 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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