Give it a try on a plain list of entities, now the converter is trying to convert the string to an entity id... View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4128693#4128693 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4128693