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https://issues.apache.org/jira/browse/ARTEMIS-2476?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17617178#comment-17617178
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ASF subversion and git services commented on ARTEMIS-2476:
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Commit ea04426bcd2b3dab266abd17c2568524a5e3b6b5 in activemq-artemis's branch
refs/heads/main from Justin Bertram
[ https://gitbox.apache.org/repos/asf?p=activemq-artemis.git;h=ea04426bcd ]
ARTEMIS-4037 refactor MQTTRetainMessageManagerTest
Commit 5a42de5fa6ee1b96f6f3e404f5a3d11a702e1776 called my attention to
this test. It really needs to be refactored because:
- It belongs in the integration-tests module rather than the MQTT
protocol module.
- It is using a lot of non-standard components (e.g.
EmbeddedJMSResource, Awaitility, etc.).
- It is overly complicated (e.g. using its own MqttClientService).
This commit resolves all those problems. The new implementation is quite
a bit different but still equivalent. I reverted the original fix from
ARTEMIS-2476 and the test still fails.
> New MQTT subscriptions receive older (not last published) retained message.
> ---------------------------------------------------------------------------
>
> Key: ARTEMIS-2476
> URL: https://issues.apache.org/jira/browse/ARTEMIS-2476
> Project: ActiveMQ Artemis
> Issue Type: Bug
> Components: MQTT
> Affects Versions: 2.10.0, 2.10.1
> Reporter: Assen Sharlandjiev
> Priority: Blocker
> Fix For: 2.12.0
>
> Time Spent: 2h
> Remaining Estimate: 0h
>
> I have observed that new MQTT subscriptions on a given topic, receive older
> retained messages. Instead of getting the latest retained message published
> on the topic, the new subscription received an older message, published
> before that last one.
>
> I have created a [mqtt-test|https://github.com/assens/mqtt-test] project that
> demonstrated the problem. Check the readme, and run the Artemis broker test:
>
> mvn -Dtest=ArtemisTest verify
>
> The test project contains multiple MQTT brokers tests. Only Artemis broker
> tests fail.
>
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