redirect issue with httpclient

[Himanshu Pathak]

 hi all,

I am using Jakarta HTTPClient to do a post on a website.
it seems that after the authentication the page is getting redirected to 
other location.
the significant thing is that its changing the port also.

below i am posting the output i am getting from my code.

May 13, 2004 12:43:25 PM org.apache.commons.httpclient.HttpMethodBase 
readResponseBody
WARNING: Response content length is not known
May 13, 2004 12:43:29 PM org.apache.commons.httpclient.HttpMethodBase 
readResponseBody
WARNING: Response content length is not known
May 13, 2004 12:43:29 PM org.apache.commons.httpclient.HttpMethodBase 
processRedirectResponse
INFO: Redirect requested but followRedirects is disabled
STATUS CODE = 302
May 13, 2004 12:43:32 PM org.apache.commons.httpclient.HttpMethodBase 
readResponseBody
WARNING: Response content length is not known
May 13, 2004 12:43:32 PM org.apache.commons.httpclient.HttpMethodBase 
processRedirectResponse
WARNING: Redirect from port 2048 to 2096 is not supported*
*

how can i make httpclient to get redirected to the new location 
automatically.

here is my code:

import org.apache.commons.httpclient.Cookie;
import org.apache.commons.httpclient.cookie.CookiePolicy;
import org.apache.commons.httpclient.Header;
import org.apache.commons.httpclient.HttpClient;
import org.apache.commons.httpclient.HttpStatus;
import org.apache.commons.httpclient.NameValuePair;
import org.apache.commons.httpclient.methods.GetMethod;
import org.apache.commons.httpclient.methods.PostMethod;
public class FormLoginDemo
{
   static final String LOGON_SITE = "www.somedomain.com";
   static final int    LOGON_PORT = 2048;
   static final String PROXY_HOST = "192.168.10.1";
   static final int PROXY_PORT = 80;
      
   public static void main(String[] args) throws Exception
   {
       HttpClient client = new HttpClient();
       client.getHostConfiguration().setHost(LOGON_SITE, LOGON_PORT, 
"http");
      
       client.getHostConfiguration().setProxy(PROXY_HOST,PROXY_PORT);
       client.getState().setCookiePolicy(CookiePolicy.COMPATIBILITY);
      
       GetMethod authget = new GetMethod("/login");
   
       client.executeMethod(authget);
       Header location = authget.getResponseHeader("Location");
       authget.releaseConnection();
      
       PostMethod authpost    = new PostMethod("/login");
       authpost.setFollowRedirects(true);
       NameValuePair action   = new NameValuePair("action", "login");
       NameValuePair url      = new NameValuePair("url", "someurl");
       NameValuePair userid   = new NameValuePair("user", "myuser");
       NameValuePair password = new NameValuePair("pass", "mypassword");
       authpost.setRequestBody( new NameValuePair[] {action, url, 
userid, password});
      
       client.executeMethod(authpost);
       authpost.releaseConnection();

       int statuscode = authpost.getStatusCode();
      
       System.out.println("STATUS CODE = "+statuscode);
      
       if ((statuscode == HttpStatus.SC_MOVED_TEMPORARILY) ||
           (statuscode == HttpStatus.SC_MOVED_PERMANENTLY) ||
           (statuscode == HttpStatus.SC_SEE_OTHER) ||
           (statuscode == HttpStatus.SC_TEMPORARY_REDIRECT))
       {
           Header header = authpost.getResponseHeader("location");
           if (header != null)
           {
               String newuri = header.getValue();
               if ((newuri == null) || (newuri.equals("")))
                   newuri = "/";
               GetMethod redirect = new GetMethod(newuri);
               client.executeMethod(redirect);
               redirect.releaseConnection();
           }
           else
           {
               System.out.println("Invalid redirect");
               System.exit(1);
           }
       }
   }
}

any help in this context will be highly appreciated.

Regards.

Himanshu.

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