Based on the error message, I assume you set JAVA_HOME to a 1.4 JDK. You need 1.5. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4129655#4129655 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4129655