anonymous wrote : i am trying to deploy an ear appication jboss 5 beta-4 Based on one of the JIRA issues, this probably is fixed in JBoss5 CR1 (which by the way is released and available for download). Can you try this on this new version? As for the exception, it looks like while parsing the xml, the DTD is not being resolved because your system probably does not have access to java.sun.com site? View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4171475#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...