anonymous wrote : aused by: java.lang.ClassNotFoundException: [Ljava.lang.Class; See this http://wiki.jboss.org/wiki/Wiki.jsp?page=ClassNotFoundJava.lang.StringInJDK6 You are using 5.0 Beta version and Java 6. This version of JBoss is still in Beta stages and probably you are going to run into some other issues too. Since you mention that you are a newbie, i would recommend, you use JBoss-4.2.2 which the latest stable version with Java 1.5. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4123819#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...