wesley lin created AMQ-5322:
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Summary: Message is assigned to different client with the same
JMSXGroupID
Key: AMQ-5322
URL: https://issues.apache.org/jira/browse/AMQ-5322
Project: ActiveMQ
Issue Type: Bug
Components: Broker
Affects Versions: 5.10.0, 5.9.1, 5.9.0
Reporter: wesley lin
I discovered since AMQ 5.8, message could be sent to different consumer even
with JMSXGroupID is set.
Here is how to reproduce.
1. start 10 consumers to connect to server (consumer 1-10)
2. send 1025 messages with JMSXGroupID set from 0 - 1024
3. add other 10 consumers to connect to server (consumer 11-20)
4. send several messages with JMSXGroup set from 0 - 1024
Now, you can observe consumers added lately ( 11 - 20 ) will also receive
messages even JMSXGroupID have been dispatched to first consumer group( 1 - 10).
note: In step2 , there should have more than 1024 different kind of
JMSXGroupID to reproduce this bug.
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