If the jars are in the EAR/lib folder then should be by default visible both to the wars and the jars. anonymous wrote : java.lang.IllegalArgumentException: Servlet mapping specifies an unknown servlet name IncomingMessageExecServlet | at org.apache.catalina.core.StandardContext.addServletMapping(StandardContext.java:2484) | Can you post the entire exception stacktrace? While posting logs or xml content or code, please remember to wrap it in a code block by using the Code button in the message editor window. Please use the Preview button to ensure that your post is correctly formatted. View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4218341#... Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&a...