hi i have just solved the problem updating the ehcache-x.x version to ehcache-1.2 View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3975325#3975325 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=3975325