NTLM issue with HttpClient 3.1

[Xiaobo Yang <xi...@gmail.com>]

Hi,

I've got a problem of NTLM authentication with HttpClient 3.1. My code
is as below. What I get is "Credentials provider not available" and a
401 error. But I've successfully using HttpClient 4.1 and JCIFS to
access the same URL.

What's wrong with my code?

Many thanks,
Xiaobo Yang

     [java] 11:12:32,462 DEBUG HttpMethodDirector:843 - Authorization required
     [java] 11:12:32,463 DEBUG AuthChallengeProcessor:155 - Using
authentication scheme: ntlm
     [java] 11:12:32,463 DEBUG AuthChallengeProcessor:163 -
Authorization challenge processed
     [java] 11:12:32,464 DEBUG HttpMethodDirector:714 - Authentication
scope: NTLM <any realm>@owa.bham.ac.uk:443
     [java] 11:12:32,464 DEBUG HttpMethodDirector:861 - Credentials required
     [java] 11:12:32,465 DEBUG HttpMethodDirector:879 - Credentials
provider not available
     [java] 11:12:32,465  INFO HttpMethodDirector:722 - Failure
authenticating with NTLM <any realm>@owa.bham.ac.uk:443
     [java] 11:12:32,471  INFO HTTPSender:202 - Unable to sendViaPost
to url[https://owa.bham.ac.uk/EWS/Exchange.asmx]
     [java] org.apache.axis2.AxisFault: Transport error: 401 Error: Unauthorized

		HttpClient httpClient = new HttpClient();
		httpClient.getState().setCredentials(
				new AuthScope(host, port, AuthScope.ANY_REALM),
				new NTCredentials(username, password, host, domain));

		GetMethod getMethod = new GetMethod(url);
		try {
			int statusCode = httpClient.executeMethod(getMethod);
			System.out.println(statusCode + "\n"
					+ getMethod.getResponseBodyAsString());
		} catch (HttpException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} finally {
			getMethod.releaseConnection();
		}

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