Yes, this is the error that I am getting on the remote server: 2007-01-10 16:36:30,699 ERROR [org.jboss.remoting.transport.socket.ServerThread] failed to process invocation. java.io.IOException: Can not read data for version 3. Supported versions: 1,2 at org.jboss.remoting.transport.socket.ServerThread.versionedRead(ServerThread.java:383) at org.jboss.remoting.transport.socket.ServerThread.processInvocation(ServerThread.java:435) at org.jboss.remoting.transport.socket.ServerThread.dorun(ServerThread.java:516) at org.jboss.remoting.transport.socket.ServerThread.run(ServerThread.java:253) I am suspecting that I need to created a scoped EAR as specified in Ovidiu's document http://wiki.jboss.org/wiki/Wiki.jsp?page=JBossMessagingUser_Deploying_a_s... Currently, I am including the jboss-messaging-client.jar in my EAR (in which the client is running). View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4000179#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...