You have to edit run.conf and add this variable JAVA_HOME="YOURPATH/jdk1.5.0_15" View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4182666#4182666 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4182666