Proxy authentication error: Unexpected state: MSG_TYPE3_GENERATED when using
NTLM authentication
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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);
httpclient.getParams().setParameter(ConnRoutePNames.DEFAULT_PROXY,
proxyHost);
CredentialsProvider credProvider = httpclient.getCredentialsProvider();
Credentials proxyCredentials = new NTCredentials(PROXY_USER,
PROXY_PASSWORD, PROXY_MACHINE, PROXY_DOMAIN);
AuthScope proxyAuthScope = new AuthScope(proxyHost.getHostName(),
proxyHost.getPort());
credProvider.setCredentials(proxyAuthScope, proxyCredentials);
Credentials targetCredentials = new UsernamePasswordCredentials(
TARGET_USER, TARGET_PASSWORD);
AuthScope targetAuthScope = new AuthScope(targetHost.getHostName(),
targetHost.getPort());
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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