CLONE - Duplicate topic messages received with network of brokers and selectors
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Key: AMQ-3582
URL: https://issues.apache.org/jira/browse/AMQ-3582
Project: ActiveMQ
Issue Type: Bug
Components: Broker, Transport
Affects Versions: 4.1.1
Reporter: Giovanni Toffetti
Assignee: Rob Davies
Fix For: 5.3.0
Attachments: ActiveMQActor.java
If you create a network of two brokers, A and B, one publisher publishing to A,
and n (where n is > 1) receivers with selectors, each receiver recieves n
messages for every 1 message sent. The key here is to have a selector. It
would appear that the conduitSubscriptions flag does not work when using
selectors. The conduit does not properly reconcile consumers if they have
selectors. A suggested soltuion would be that ather than process each selector
independantly, each selector should be or'ed together and if any selector
results in true then a single message should be sent to the other broker.
In doing research, it would appear that this problem was introduced with bug
fix AMQ-810. Another user reported it via email back to the assignee of
AMQ-810 and a short dialog transpired. See
http://www.mail-archive.com/[email protected]/msg05198.html.
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