web.xml: error page with error code
<?xml version="1.0" encoding="ISO-8859-1"?> <!DOCTYPE web-app PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.2//EN" "http://java.sun.com/j2ee/dtds/web-app_2.2.dtd"> <web-app> <error-page> <error-code>400</error-code> <location>/400.html</location> </error-page> <error-page> <error-code>404</error-code> <location>/404.html</location> </error-page> <error-page> <exception-type>javax.servlet.ServletException</exception-type> <location>/servlet/ErrorDisplay</location> </error-page> </web-app>