I just removed ClientProducer and ClientProducerImpl. - The JMS specific stuff was moved to JBossMessageProducer - ClientSessionImpl.send is now receiving the Destination - SendMessageCodec is now also sending the Destination as a field (what menas.. not more Serialization for destination since it was being set on Headers (Even though Destination was externalizable, all the crap (reflection and metadata) for serialization was still being used) View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4124956#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...