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From "David Gibbs (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HTTPCLIENT-1087) Proxy authentication error: Unexpected state: MSG_TYPE3_GENERATED when using NTLM authentication
Date Fri, 13 May 2011 14:31:47 GMT
Proxy authentication error: Unexpected state: MSG_TYPE3_GENERATED when using NTLM authentication

                 Key: HTTPCLIENT-1087
                 URL: https://issues.apache.org/jira/browse/HTTPCLIENT-1087
             Project: HttpComponents HttpClient
          Issue Type: Bug
          Components: HttpClient
    Affects Versions: 4.1.1
         Environment: Client app running Java 6 on a Win 7 X64 box, proxy Squid 2.7 running
on a Win7 machine.
            Reporter: David Gibbs
         Attachments: wire-debug.log

Trying to connect to a website that requires basic authentication through a proxy that requires
NTLM authentication.

Proxy authentication fails with "Proxy authentication error: Unexpected state: MSG_TYPE3_GENERATED".

Full wire log attached.  Code to replicate problem follows:

    private void execute() throws HttpException, IOException {
    	URL targetUrl = new URL(TARGET_URL);
        DefaultHttpClient httpclient = new DefaultHttpClient();

        HttpHost targetHost = new HttpHost(targetUrl.getHost()); 
        HttpHost proxyHost = new HttpHost(PROXY_HOST, PROXY_PORT); 

        CredentialsProvider credProvider = httpclient.getCredentialsProvider();
        Credentials proxyCredentials = new NTCredentials(PROXY_USER, 
        AuthScope proxyAuthScope = new AuthScope(proxyHost.getHostName(),
        credProvider.setCredentials(proxyAuthScope, proxyCredentials);
        Credentials targetCredentials = new UsernamePasswordCredentials(
        AuthScope targetAuthScope = new AuthScope(targetHost.getHostName(),
        credProvider.setCredentials(targetAuthScope, targetCredentials);
        HttpGet httpget = new HttpGet(targetUrl.getPath());

        HttpResponse response = httpclient.execute(targetHost, httpget);
        System.out.println("response = " + response);

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