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From "David Johle (JIRA)" <>
Subject [jira] [Created] (AMQ-4223) Messages being distributed to exclusive consumers!
Date Fri, 14 Dec 2012 02:44:13 GMT
David Johle created AMQ-4223:

             Summary: Messages being distributed to exclusive consumers!
                 Key: AMQ-4223
             Project: ActiveMQ
          Issue Type: Bug
          Components: Broker
    Affects Versions: 5.7.0
         Environment: RHEL5, Java 1.6
            Reporter: David Johle
            Priority: Minor

Now that AMQ-3664 is out of the way I thought I could turn on optimizeAcknowledge back on
as long as I gave it some decent timeOut & scheduledAckInterval values.

Well, it turns out the behavior I was seeing still happens, and I think now it's clearer that
it is something else, just was partially masked by that other issue.

My configuration is a "network of brokers" two brokers with a producer on each one, and a
consumer on each one.  The consumers are set up with exclusive=true as their part of my application
is an "aggregation" step.  I'm using the exclusive mode to ensure that only one of them receives
all the messages, and the other is essentially a standby/backup in case the first one is offline.

When I have optimizeAcknowlege enabled, I see a situation where it is distributing (fairly
equally, in fact) the messages to both of the consumers.  When I set that to false, all the
messages funnel into the currently active consumer as expected.

I cannot find anything that says these are incompatible features, and cannot figure out what
it is that causes this behavior.

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