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From "Giovanni Toffetti (Updated) (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (AMQ-3582) CLONE - Duplicate topic messages received with network of brokers and selectors
Date Wed, 09 Nov 2011 12:00:54 GMT

     [ https://issues.apache.org/jira/browse/AMQ-3582?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Giovanni Toffetti updated AMQ-3582:
-----------------------------------

    Affects Version/s:     (was: 4.1.1)
                       5.5.1
        Fix Version/s:     (was: 5.3.0)
    
> CLONE - Duplicate topic messages received with network of brokers and selectors
> -------------------------------------------------------------------------------
>
>                 Key: AMQ-3582
>                 URL: https://issues.apache.org/jira/browse/AMQ-3582
>             Project: ActiveMQ
>          Issue Type: Bug
>          Components: Broker, Transport
>    Affects Versions: 5.5.1
>            Reporter: Giovanni Toffetti
>            Assignee: Rob Davies
>         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/activemq-users@geronimo.apache.org/msg05198.html.  

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