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From "Arthur Naseef (JIRA)" <j...@apache.org>
Subject [jira] [Created] (AMQ-3274) duplicate messages on Temporary Topics in network of brokers
Date Wed, 06 Apr 2011 23:14:05 GMT
duplicate messages on Temporary Topics in network of brokers
------------------------------------------------------------

                 Key: AMQ-3274
                 URL: https://issues.apache.org/jira/browse/AMQ-3274
             Project: ActiveMQ
          Issue Type: Bug
          Components: Broker
    Affects Versions: 5.4.2
            Reporter: Arthur Naseef
            Priority: Critical


Creating a network of brokers, duplicate messages are being seen on Temporary Topics.

The network configuration used is as follows:

        <networkConnectors>
                <networkConnector name="nw1_queues_from_nw2" uri="static:(tcp://127.0.0.1:60002)"
                                  duplex="true" conduitSubscriptions="false" dynamicOnly="true"
                                  networkTTL="7" suppressDuplicateQueueSubscriptions="true"
                                  decreaseNetworkConsumerPriority="true"

                                  bridgeTempDestinations="true"
                                  >
                        <excludedDestinations>
                                <topic physicalName=">" />
                        </excludedDestinations>
                </networkConnector>

                <networkConnector name="nw1_topics_from_nw2" uri="static:(tcp://127.0.0.1:60002)"
                                  duplex="true" conduitSubscriptions="true" dynamicOnly="true"
                                  networkTTL="7" suppressDuplicateQueueSubscriptions="true"
                                  decreaseNetworkConsumerPriority="true"

                                  bridgeTempDestinations="true"
                                  >
                        <excludedDestinations>
                                <queue physicalName=">" />
                        </excludedDestinations>
                </networkConnector>
    </networkConnectors>

Note there are 2 duplex connections between the brokers.  Changing to non-duplex connections,
the problem goes away with 2 brokers in the network, but reappears when a 3rd broker is added.

The problem only affects temporary Topics; normal Topics work fine.

A patch will be attached.  Also, a test case will be attached when it is available.


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