Apache HttpClient 4.1 – Proxy Authentication

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For anyone looking for the answer for 4.3…its fairly new and their example didn’t use the new HttpClientBuilder…so this is how I implemented this in that version:

NTCredentials ntCreds = new NTCredentials(ntUsername, ntPassword,localMachineName, domainName );

CredentialsProvider credsProvider = new BasicCredentialsProvider();
credsProvider.setCredentials( new AuthScope(proxyHost,proxyPort), ntCreds );
HttpClientBuilder clientBuilder = HttpClientBuilder.create();

clientBuilder.useSystemProperties();
clientBuilder.setProxy(new HttpHost(pxInfo.getProxyURL(), pxInfo.getProxyPort()));
clientBuilder.setDefaultCredentialsProvider(credsProvider);
clientBuilder.setProxyAuthenticationStrategy(new ProxyAuthenticationStrategy());

CloseableHttpClient client = clientBuilder.build();

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