Hi, I am implementing struts validation framework. And in struts-config.xml file i have made following entry after last , But once i after i added pluf-in in struts config my application is not starting. and its giving following exception . Jun 11, 2009 6:41:47 PM org.apache.catalina.core.StandardWrapperValve invoke INFO: Servlet action is currently unavailable Please let me know if anyone know about this.