"m.alex" wrote : | component.xml in each JAR's META-INF contains: | <components> | | <component class="org.jboss.seam.remoting.messaging.SubscriptionRegistry" install="true"> | | <property name="allowedTopics">clientNotificationTopic</property> | | </component> | | </components> | | | So you have multiple jar files in your application with the same components.xml? That's the problem there, you're trying to create the SubscriptionRegistry twice. You only need one SubscriptionRegistry, so either remove it from all but one of your components.xml files, or remove all but one of the components.xml files. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4038782#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...