When interpreting an exception stack trace, always follow the "caused by" chain - the final "caused by" is usually the root cause. In this case: Caused by: java.lang.ClassNotFoundException: beanpackage.HelloBeanRemote Apparently, you did not include the client library for your EJB in your client's classpath. (The client EJB library contains the interfaces for the EJB, but not the EJBs themselves.) View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4210386#... Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&a...