Please a JIRA issue for a better error message from Seam if the dtd/xsd can't be found View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4116159#4116159 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4116159