Is there any reason why a sendRedirect() doesn't when invoked by a getPost?
If I do it with a GET, smooth sailing... if I use a POST, I get a "Document
contained no data" alert from Netscape....

If anyone's interested, here's the code (it's a playground right now... I
want to build a prototype (pattern) for large web projects with the servlet
as the control hub and JSPs doing presentation)  Comments are welcome!!!!

 * doPost... main control for system
public void doPost(HttpServletRequest req, HttpServletResponse res) throws
ServletException, {

   /*  get the operating mode */        
   String mode = req.getParameter("mode");
   if (mode != null) {

   /*  Nothing was sent, display hello, world message */
   if (mode == null) {
      out = res.getWriter();
      out.println("<HTML><FONT FACE=ARIAL>");
      out.println("Hello, World</font></html>");

   /* logon: validate user, set up session, and redirect to first page */
   if (mode == "logon") {



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