As an addendum to above info, here i s my MDB configuration : @MessageDriven(name = "UriMDB", | activationConfig = { @ActivationConfigProperty(propertyName = "destinationType", propertyValue = "javax.jms.Queue"), | @ActivationConfigProperty(propertyName = "destination", propertyValue = "/queue/UniversalResourceProcessingQueue"), | @ActivationConfigProperty(propertyName = "minSession", propertyValue = "1"), | @ActivationConfigProperty(propertyName = "maxSession", propertyValue = "4") }) View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4086767#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...