code: public void service(HttpServletRequest req, HttpServletResponse resp) 
          throws ServletException, IOException
      {
  	    boolean fileFound = sendResourceFile(req, resp);
  		if (!fileFound)
  		    resp.sendError(HttpServletResponse.SC_NOT_FOUND, "File not found");
  //    	super.service(req, resp);
      }
docs: process an HTML get or post.
  @exception ServletException From inherited class.
  @exception IOException From inherited class.