Hello, I would suggest you begin your journey with jboss 4.2.3 . It is going to be a rough ride anyway so I would suggest not to place another parameter to the system installation before you really get around with how the system behaves and how it is actually working .... -- View this message in context: http://drools-java-rules-engine.46999.n3.nabble.com/GWT-not-working-tp191... Sent from the Drools - User mailing list archive at Nabble.com.