i 'm not saving an object in the map, i'm trying to have the keys contained into the map. and How can i get a value for a specific key? View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4072639#4072639 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4072639