That's XSD. See http://www.w3.org/TR/xmlschema-0/#ListDt View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4268333#4268333 Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&p=4268333