Yes it does in this way. Apologies i was getting a class not found exception not a class cast exception. Applicaiton.xml under ear ================== <?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE application PUBLIC "-//Sun Microsystems, Inc.//DTD J2EE Application 1.3//EN" "http://java.sun.com/dtd/application_1_3.dtd"> <display-name>ejbSession</display-name> EjbSession.jar <library-directory>lib</library-directory> The util jar is kept under lib folder. Can you tell what is the correct way to mention it. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4130612#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...