Content-Lengh Header Missing in Http Response

Question

Hi folks,
          Our application uses JSPs and Servlets. To solve a TCP level problem, we would like to ensure that each response sent from the WebLogic Server includes a content-length header. All the pages are dynamic and therefore we cannot explicitly set the content-length.
          To ensure that WebLogic has the opportunity to set this header, we have increased the response buffer size by adding a <%@ page buffer="nK" %> header to our JSPs and a response.setBufferSize call to our Servlets. The responses still do not contain a content-length header.
          Is there anything else we can do to get WebLogic to set this header?
          Thanks in advance,
          Santosh

Answer 1

Anyway, this works for me:
try {
  URL u = new URL("http://localhost:9090/");
  HttpURLConnection c = (HttpURLConnection) u.openConnection();
  c.setInstanceFollowRedirects(false);
  c.connect();
  Map<String,List<String>> hs = c.getHeaderFields();
  for(Map.Entry e : hs.entrySet()) {
    System.out.println(e.getKey() + ": " + e.getValue());
} catch (Exception ex) {
  ex.printStackTrace();
}Where on localhost:9090 I have a server that will issue a redirect on / and content on anything else.
This code will issue the request, then read the response headers, including the Location: header.