Take a look in the dtd file jboss-web-4_0.dtd in the docs/dtd dir, and look for "use-session-cookies". View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4040020#4040020 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4040020