I did as you suggest, putting jboss and the jdk at the c:\ root but still same behavior 2008-09-12 11:44:53,380 ERROR [org.jboss.deployment.MainDeployer] Could not initialise deployment: file:/C:/jboss-4.2.3.GA-jdk6/jboss-4.2.3.GA/server/default/deploy/jbossws.sar/ java.lang.NoClassDefFoundError: javax/ejb/Stateless JAVA_HOME=C:\jdk1.5.0_16 View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4176241#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...