[jboss-user] [Messaging, JMS & JBossMQ] - Clustered MDB and Fault Tolerance

tnine do-not-reply at jboss.com
Wed Sep 5 15:46:55 EDT 2007

Hello all,
  I'm trying to configure my MDB's to run in an HA environment.  I have half of the MDB working.  The mdb performs the following tasks

1. Read from HA JBoss MQ Queue
2. Process message
3. Push the message onto a different queue.

I'm using 2 identical nodes (vmware instances, prodjboss1, and prodjboss2), and I have edited the file 'deploy/jms/hajndi-jms-ds.xml' to have the following


  | java.naming.provider.url=${jboss.bind.address:localhost}:1100,prodjboss2:1100


  | java.naming.provider.url=${jboss.bind.address:localhost}:1100,prodjboss1:1100

Both my MDB's read from the correct master node.  However, I'm trying to connect to a different output queue via my MDB, and I'm not getting the expected behavior.  I'm using the following JNDI properties on both nodes when attempting to connect to the output queue

  | java.naming.factory.initial=org.jnp.interfaces.NamingContextFactory
  | java.naming.factory.url.pkgs=org.jboss.naming:org.jnp.interfaces
  | java.naming.provider.url=jnp://prodjboss1:1100,prodjboss1:1100

The lookup always works correctly on the node that's the master node, but fails on all slave nodes.  Am I missing another property that I need to add in order to get automatic master discovery working and get all slaves connecting to the master MQ node to push data onto the queue?


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