Finally found something http://dbis.eprints.uni-ulm.de/187/1/SAC2008_CM-Track_CR_102.pdf View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4191548#4191548 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4191548