I'm having lots of problems with Netscape if I use the `sendRedirect' method
from HttpServletResponse.
I am using Apache and Jserv under NT.
However, I will first describe my use of it with the hopes that an
alternative way can be presented.
doPost(...) {
retrieve values from getParameters()
validate values
if (error)
display error page
else
update database;
resp.sendRedirect(redirectedURL+ args);
}
Under IE 4.0, everything works fine and redirection is quick. However, under
Netscape 4.61, it takes about 5-10 seconds before the redirected page is
displayed (and under servlet runner an exception occurs:
java.net.SocketException: Socket read failed).
So I tried to narrow the problem down and created a small example using
sendRedirect. Then it becomes wierder. The code is:
import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;
public class Test2Servlet extends HttpServlet {
public void doGet(HttpServletRequest req, HttpServletResponse resp)
throws ServletException, IOException {
resp.setContentType("text/html");
PrintWriter out = resp.getWriter();
out.println("<HTML><HEAD>");
out.println("<TITLE>HTML directory");
out.println("</TITLE></HEAD><BODY TEXT=\"#800000\"
BGCOLOR=\"#FEFBEB\"><FORM METHOD=\"POST\" >");
out.println("<BR><INPUT TYPE=\"SUBMIT\" VALUE=\"Test redirect\"
NAME=\"Test redirect\">");
out.println("</FORM></BODY></HTML>");
out.close();
}
public void doPost(final HttpServletRequest req,
HttpServletResponse resp)
throws ServletException, IOException {
String abs = HttpUtils.getRequestURL(req).toString();
System.err.println( "Redirecting to: " + abs + " resp class name:" +
resp.getClass().getName());
resp.sendRedirect( abs );
}
}
Once again, it works fine for IE under both servlet runner and Jserv. Under
Netscape and Jserv, if I press "Test redirect" I get the following output:
Found
The document has moved here.
Apache/1.3.6 Server at mymachinename Port 80
Under Netscape and servlet runner, I get
Document moved
This document has moved here.
I really need to have the functionality of sendRedirect so I can pass
arguments to the redirected servlet. I am using JSK2.0.
Can anyone help here (or perhaps suggest an alternative way)?
dino
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