Network of Brokers Configuration

[cart2man <na...@mbreslow.net>]

My application has two brokers and makes use both of distributed queues as
well as Topics.  Consumers of either queues or topics can connect to either
of the two brokers.

>From the network-of-brokers documentation, it seems that the recommendation
would be to configure two different networkConnectors - one to handle the
queues and another to handle the topics.  Did I get that right?  So, does
this make sense:

        <networkConnectors>
            <!-- Creating two broker connectors that each have different
configurations.
                 One will handle TOPICS and the other will handle QUEUES -->

            <!-- for the topic connector, use all of the defaults. 
networkTTL needs to = the number of bkrs -->
            <networkConnector
uri="multicast://default?group=${activemq.ENV}"
                name="default-nc"
                networkTTL="2"
                dynamicOnly="false"
                conduitSubscriptions="true"
                decreaseNetworkConsumerPriority="false">
                <excludedDestinations>
                        <queue physicalName=">"/>
                </excludedDestinations>
            </networkConnector>

            <!-- for the queue connector, adjust the configuration to
support distributed queues.
                 See http://activemq.apache.org/networks-of-brokers.html
                 networkTTL needs to = the number of bkrs -->
            <networkConnector
uri="multicast://default?group=${activemq.ENV}"
                name="queues_only"
                networkTTL="2"
                dynamicOnly="true"
                conduitSubscriptions="false"
                decreaseNetworkConsumerPriority="false">
                <excludedDestinations>
                        <topic physicalName=">"/>
                </excludedDestinations>
            </networkConnector>

        </networkConnectors>


When I startup, I'm seeing this in the log which is concerning:
2009-02-27 11:31:23,359 [ Agent Notifier] WARN  DiscoveryNetworkConnector     
- Could not connect to local URI: vm://null: VMTransportServer already bound
at: vm://null

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