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https://issues.apache.org/activemq/browse/AMQ-1509?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=42974#action_42974
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Giovanni Toffetti commented on AMQ-1509:
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Hi Rob,
I saw you committed the changes to fix issue AMQ-1509. I downloaded the latest
svn snapshot on may the 8th and tested it on the (for me usual)
4-nodes-in-a-cycle topology. It seems your patch improves the whole thing as
now my test runs end nicely (before the duplication was so massive clients were
not able to finish their workload), alas, my clients keep receiving duplicate
messages.
I will attach the code of my clients for completeness, either there's something
wrong with them or the bug is still there for bigger cyclic topologies.
> Duplicate topic messages received with network of brokers and selectors
> -----------------------------------------------------------------------
>
> Key: AMQ-1509
> URL: https://issues.apache.org/activemq/browse/AMQ-1509
> Project: ActiveMQ
> Issue Type: Bug
> Components: Broker, Transport
> Affects Versions: 4.1.1
> Reporter: Howard Orner
> Assignee: Rob Davies
> Fix For: 5.2.0
>
> 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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