activemq-users mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From ttmdev <joe.fernan...@ttmsolutions.com>
Subject Re: Network of Brokers - Broker A talking to Broker B
Date Tue, 19 Feb 2008 17:22:05 GMT

The default setting for advisorySupport is 'true' and I don't think that the
forwarding of messages has any  dependencies on advisorySupport.

Joe
www.ttmsolutions.com

 

wha wrote:
> 
> 
> 
> bsnyder wrote:
>> 
>> 
>> Disable the all transport connectors (i.e., comment them out) and
>> remove the discoverUri from the openwire connectors. I also advise
>> running the brokers on the same machine in order to rule out your
>> network. In order to do this, you'll need to change the following:
>> 
>> 1) Make sure the openwire ports for each broker are different for each
>> broker
>> 2) Make sure the managementContext connectorPorts are different for each
>> broker
>> 3) Make sure the jetty nioConnector  ports are different for each broker
>> 
>> These ports need to be unique to each broker so that you can start
>> more than one broker on a single machine.
>> 
>> Next, I'd suggest removing the dynamicOnly attribute until you get the
>> broker-to-broker communication working without it. Don't add any extra
>> options right now that you don't need beyond the networkTTL. Beyond
>> that the network connectors look OK.
>> 
>> After making these changes, you should be able to start a consumer
>> pointing to one broker. Then start the producer pointing to the other
>> broker. This is a very, very simple set up that should work without
>> problem. I have done this many times myself with both ActiveMQ 4.x and
>> 5.x.
>> 
>> Bruce
>> -- 
>> perl -e 'print
>> unpack("u30","D0G)U8V4\@4VYY9&5R\"F)R=6-E+G-N>61E<D\!G;6%I;\"YC;VT*"
>> );'
>> 
>> Apache ActiveMQ - http://activemq.org/
>> Apache Camel - http://activemq.org/camel/
>> Apache ServiceMix - http://servicemix.org/
>> Apache Geronimo - http://geronimo.apache.org/
>> 
>> Blog: http://bruceblog.org/
>> 
>> 
> 
> I finally made it work. FiNaLlY!!!!
> 
> But first, let me just say that I'm not as smart as you guys, so I really
> need dumb down version.
> 
> 
> === Here's a summary of what I learned and followed by another question
> ===
> 
> My objective was simply to do this:      Producer ---> Broker A --->
> Broker B ---> Consumer
> I'm using the following snapshot:
> apache-activemq-5.1-20080214.225202-23.zip
> 
> 1) The transportConnector in the activemq.xml simply specifies the port at
> which the Broker will run on.
> 
> 2) The networkConnector simply specifies to which Broker to connect to.
> 
> 3) Here's the recipe for my Store and Forward topology (shown above): 
> -- On BrokerA define a transportConnector(tcp://localhost:8888) and a
> networkConnector to brokerB (tcp://localhost:9999) with dynamicOnly to
> true and networkTTL to 2.
> -- On BrokerB define only a transportConnector(tcp://localhost:9999) and
> importantly put the attribute advisorySupport="true" in the broker tag.
> -- The producer connects to tcp://localhost:8888. I simply use the Broker
> Web Admin to produce messages, so I don't really need a real producer...
> -- The consumer connects to tcp://localhost:9999 and listens for incoming
> messages (Hint: MessageListener, onMessage(..))
> 
> 4) You don't need to define, in the networkConnector tag, the
> dynamicallyIncludedDestinations tag or the staticallyIncludedDestination
> tag. You can find those info here: 
> http://activemq.apache.org/networks-of-brokers.html
> http://activemq.apache.org/networks-of-brokers.html 
> 
> 5) To verify if your brokers are connected, if you are running the
> standalone broker from DOS, you should see a line telling you that BrokerA
> has established communication with BrokerB.
> 
> 6) Once you have started up both brokers, start the consumer (that listens
> on BrokerB), then go to the Web Admin Queues page on BrokerA, you are
> suppose to see the Queue name, that your consumer on BrokerB listens on,
> in the list of Queues.
> 
> 7) Don't use the same broker name for both brokers.
> 
> 8) For the networkConnector uri, the uri can be something like
> uri="static://(tcp://localhost:9991)" OR
> uri="static:(tcp://localhost:9991)" (without "//" after "static") both
> worked for me.
> 
> === My Question ===
> 
> My question is about the advisorySupport. Can someone give me a dumb down
> explanation as to why it needs to be enabled on BrokerB for the Store and
> Forward feature to work ? I've already read about the advisorySupport
> documentation on activemq.apache.org but it doesn't say why it's linked to
> the store and forward feature.
> 
> Well Thank God I persisted. Now I can resume my tests.
> 
> Thanks all for trying to help me. I appreciate it a lot.
> - Willy.
> 
> 
> 

-- 
View this message in context: http://www.nabble.com/Network-of-Brokers---Broker-A-talking-to-Broker-B-tp15510192s2354p15562329.html
Sent from the ActiveMQ - User mailing list archive at Nabble.com.


Mime
View raw message