I removed the commons-digester.jar file from the EAR file. Now I am getting following error. --------------------------------------------------------------------------------------------------------------------------------------------------------------- ERROR [ActionServlet] Unable to initialize Struts ActionServlet due to an unexpected exception or error thrown, so marking the servlet as unavailable. Most likely, this is due to an incorrect or missing library dependency. java.lang.NoClassDefFoundError: org/apache/commons/chain/config/ConfigParser at org.apache.struts.action.ActionServlet.initChain(ActionServlet.java:1625) at org.apache.struts.action.ActionServlet.init(ActionServlet.java:347) at javax.servlet.GenericServlet.init(GenericServlet.java:211) at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1105) at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:932) at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:3951) at org.apache.catalina.core.StandardContext.start(StandardContext.java:4225) at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:759) at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:739) --------------------------------------------------------------------------------------------------------------------------------------------------------------- How do I fix this error? View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4018597#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...