I have code in a Action looking like this public ActionForward perfom .... else { String forward = "LookupKeyUpdate.jsp?PK_LookupKey=" + PK + "&Key=" + Key + "&OrderId=" + OrderId + "&ValidFrom=" + ValidFrom + "&ValidTo=" + ValidTo; System.out.println("Forward: " + forward); ActionForward ret = new ActionForward(); ret.setPath(forward); System.out.println("Path: " + ret.getPath()); System.out.println("ActionForward: " + ret); return (ret); } the output is: Forward: LookupKeyUpdate.jsp?PK_LookupKey=102.0&Key=1&OrderId=2.0&ValidFrom=2001-02-1 2&ValidTo=2003-04-23 Path: LookupKeyUpdate.jsp?PK_LookupKey=102.0&Key=1&OrderId=2.0&ValidFrom=2001-02-1 2&ValidTo=2003-04-23 ActionForward: ActionForward[null] <07.09.2001 11:41:34 CEST> <Error> <HTTP> <[WebAppServletContext(6979480,Lookups,/Lookups)] Servlet failed with Exception java.lang.NullPointerException where is the fault !!! can you help me please !!