http Client Authentication

hi friends,

i am trying a java API using HTTPCLient post method.  in which i am getting output having some authentication problem. can any one please help me to solve this problem.

please , please help me.. waiting for reply.

Thanks in advance.

This is what the PROGRAM

import org.apache.commons.httpclient.*;
import org.apache.commons.httpclient.methods.*;

public class sms {

public static void main( String[] args ) throws Exception  {

 String qURL="http://9.184.65.219:10038";    
    String UserId="adm";    
    String Password="adm";
    String postTitle="Pls11";

    byte entry[] = ("<?xml version=\"1.0\" encoding=\"UTF-8\"?><entry xmlns=\"http://www.w3.org/2005/Atom\"> <title type=\"text\"> "+postTitle+" </title></entry>").getBytes();

String placeurl = qURL+"/asd/myquic"+"/feed";

 try {
    System.out.println("\n Place Collection URL = "+ placeurl);

HttpClient client = new HttpClient();
PostMethod method = new PostMethod( placeurl );

 // Configure the form parameters

  method.addParameter( "CONTENT-TYPE", "application/atom+xml" );
  method.addParameter( "CONTENT-LENGTH", new Integer(entry.length).toString() );
  method.addParameter( "Host", "localhost");
  method.addParameter( "User-Agent", "Thingio/1.0" );
  method.addParameter( "Keep-Alive", "header");
  method.addParameter( "Authorization", "Basic " + (new  sun.misc.BASE64Encoder().encode((UserId+":"+Password).getBytes())));

System.out.write(entry);

 // Execute the POST method
int statusCode = client.executeMethod( method );

System.out.println("\n Response status code: " + statusCode);

// Display response
System.out.println("\n Response body: ");
System.out.println(method.getResponseBodyAsString());

 }

 catch( Exception e ) {
    System.err.println ( "\n Exception...\n" + e ) ;
    e.printStackTrace();
   }
 }

}

output
Place Collection URL = http://9.184.65.219:10038/asd/myquic/feed
<?xml version="1.0" encoding="UTF-8"?><entry xmlns="http://www.w3.org/2005/Atom">
Pls11 Jan 10, 2011 3:17:19 PM org.apache.commons.httpclient.auth.AuthChallengeProcessor selectAuthScheme
INFO: basic authentication scheme selected
Jan 10, 2011 3:17:19 PM org.apache.commons.httpclient.HttpMethodDirector processWWWAuthChallenge
INFO: No credentials available for BASIC 'Atom'@9.184.65.219:10038

Response status code: 401

Response body: 
Thanks and regards,
Milind.