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From "Ken Giusti (JIRA)" <qpid-...@incubator.apache.org>
Subject [jira] Commented: (QPID-2482) Topic Exchange can duplicate messages.
Date Mon, 12 Apr 2010 15:34:42 GMT

    [ https://issues.apache.org/jira/browse/QPID-2482?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12856025#action_12856025
] 

Ken Giusti commented on QPID-2482:
----------------------------------

Good catch, Emmanuel.  I'd like to open up a new jira to track the java issue separately.
 I'm not very experienced with that implementation.   

thanks,

-K


> Topic Exchange can duplicate messages.
> --------------------------------------
>
>                 Key: QPID-2482
>                 URL: https://issues.apache.org/jira/browse/QPID-2482
>             Project: Qpid
>          Issue Type: Bug
>          Components: C++ Broker
>         Environment: Linux
>            Reporter: Ken Giusti
>            Assignee: Ken Giusti
>
> As per Gordon's description:
> If a given queue is bound to a topic exchange with multiple bindings, a message sent
to that exchange will result in a copy being enqueued for each binding that matches. This
is incorrect - each message should be enqueued once if there is any binding to the queue that
matches it.
> Steps to Reproduce:
> 1. create queue
> 2. bind it to amq.topic with two distinct bindings (e.g. red.* and *.herring)
> 3. send amq.topic a message whose routing key matches both patterns (e.g. "red.herring")
> 4. check the queue
> Actual results:
> The message is enqueued on the queue twice.
> Expected results:
> The message should only be enqueued on the queue once.

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