我正在尝试使用HTTP身份验证在线发布玩家得分,但响应总是401(未经授权),尽管我非常确定用户名和密码是否正确.我究竟做错了什么？

DefaultHttpClient client = new DefaultHttpClient();

Credentials creds = new UsernamePasswordCredentials("user", "passsword");

client.getCredentialsProvider().setCredentials(new AuthScope("http://myurl.com/score.php", 80), creds);

try {

HttpPost post = new HttpPost("http://myurl.com/score.php");

List nameValuePairs = new ArrayList(3);

nameValuePairs.add(new BasicNameValuePair("score", points));

nameValuePairs.add(new BasicNameValuePair("name", name));

post.setEntity(new UrlEncodedFormEntity(nameValuePairs));

HttpResponse response = client.execute(post);

final int statusCode = response.getStatusLine().getStatusCode();

if (statusCode != HttpStatus.SC_OK) {

throw new Exception();

}

} catch (UnsupportedEncodingException e) {

//

} catch (IOException e) {

//

} catch (Exception e) {

//

}

我的代码出了什么问题？