This looks like a bug in glue. xsi:type is supposed to refer to a schema type definition, not an element definition. -Jason View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3982434#3982434 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=3982434