Sorry, wrong translation from Italian.. not object but subject (of the topic!).+ The problem is in jpdl language. I tried to make a 'mail' node so the sintax is: <mail g="graphic position" language="juel" name="node name"> The validator says "cvc-complex-type.3.2.2: Attribute 'language' is not allowed" underlining the word "language". Thanks Emanuele Fabbri View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4244298#... Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&a...