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https://issues.apache.org/jira/browse/ARTEMIS-4666?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Timothy A. Bish reassigned ARTEMIS-4666:
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Assignee: Timothy A. Bish
> Federated queue consumers do not receive messages on classic clients
> --------------------------------------------------------------------
>
> Key: ARTEMIS-4666
> URL: https://issues.apache.org/jira/browse/ARTEMIS-4666
> Project: ActiveMQ Artemis
> Issue Type: Bug
> Components: Federation
> Affects Versions: 2.32.0
> Reporter: Josh Byster
> Assignee: Timothy A. Bish
> Priority: Major
>
> Federated queues with A upstream and downstream to B do not seem to work as
> expected when the client JMS implementation is ActiveMQ Classic v5.16.2 (used
> in my example, but also verified the issue is present with v5.18.3 and
> v6.0.1). With Artemis JMS as the client, it seems to work as expected.
> When running a producer on A and a consumer on B with the classic
> org.apache.activemq.ActiveMQConnectionFactory, the consumer on B does not
> consume any messages that the producer sends. When B is restarted, it then
> consumes the messages.
> This works properly with ActiveMQ Artemis
> org.apache.activemq.artemis.jms.client.ActiveMQConnectionFactory. I've
> created a minimal reproducible example
> [here|https://github.com/josh-byster/artemis-classic-consumer-bug/tree/master].
> Running server1 and server2 and then first starting up the Consumer then
> running the Producer class, we can see that no messages are logged in console
> by the consumer. When you restart the consumer, the messages are consumed.
> This is an issue whether you attach a MessageListener or you call receive()
> directly. If you switch the ActiveMQConnectionFactory implementation to
> Artemis, it works as expected.
> I don't think this necessarily warrants a fix if it's an issue specifically
> with the classic client, since the solution is just to upgrade clients to
> Artemis. However, if it is something that can be patched on the server, that
> would be great. I do, however, think it would be good to note this down in
> the docs that it's not supported with classic clients, since I spent a while
> debugging it. However, most other features do work as expected with the
> clients running the classic version, which is much appreciated as it makes
> migration significantly easier.
>
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