Download File issue

Question

Hi all,
I am having a big problem.
I'm using Tomcat 4.29 and IE 6.0.280, and I was not able to run the following servlet code:
     public void doPost(
          HttpServletRequest request,
          HttpServletResponse response)
          throws ServletException, IOException {
          String originalFileName = "c:\\temp\\classes12.zip";
          int size = 0;
          String filename = "c:\\temp\\classes12.zip";
          File target = new File(filename);
          OutputStream out = response.getOutputStream();
          response.setContentType("application/unknow");
          response.setHeader(
               "Content-Disposition",
               "attachment; filename=" + originalFileName + ";");
          response.setHeader("Cache-Control", "no-cache");
          byte[] buffer = new byte[4 * 1024];
          FileInputStream in = new FileInputStream(target);
          while ((size = in.read(buffer, 0, buffer.length)) != -1) {
               out.write(buffer, 0, size);
          in.close();
          out.close();
I have apparently two problems:
1 - The file name prompted to be saved is not the one I suggested in the code above. Instead of it, I got the URL address.
2 - The other problem is the fact that the Explorer says it's not able to open my url, and do not save the file.
I tried everything, including to send fixed data but nothing seems to work.
http://5.8.14.81/CadastroProposta/download
This is my url as I configured in the web.xml, and this is working fine...I can even depurate the program inside Eclipse, and go up to the last line without problem or exception. I also tried to change the application/unknow to application/octet-stream, application/x-donwload and the result was the same.
Please, if somebody has a tip, let me know what is wrong with this example.
Best Regards,
Claudemiro Pacheco
EDS Brazil

Answer 1

Also!!!
'If you don't explicitly set the character set in your MIME media type, with setContentType, one will be selected and the content type will be modified accordingly. If you will be using a writer, and want to call the setContentType method, you must do so before calling the getWriter method. If you will be using the output stream, and want to call setContentType, you must do so before using the output stream to write the MIME body. '
this was taken from http://java.sun.com/products/servlet/2.1/api/javax.servlet.ServletResponse.html