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From Oleg Kalnichevski <ol...@apache.org>
Subject Re: HttpClientBuilder does not use system properties for proxy
Date Fri, 15 Apr 2016 10:20:16 GMT
On Fri, 2016-04-15 at 11:59 +0200, Philip Kahle wrote:
> Hi,
> 
> I am instantiating a HttpClientBuilder like this and tried to make it
> use the Java system properties for a proxy server via useSystemProperties():
> 
> protected static HttpClientBuilder builder;
> ...
> PoolingHttpClientConnectionManager cm = new
> PoolingHttpClientConnectionManager();
> builder =
> HttpClients.custom().setConnectionManager(cm).useSystemProperties();
> ...
> CloseableHttpClient httpClient = builder.build();
> 
> However it does not set the proxy (all hostname, port, username and
> password have been set at this point).
> 
> I don't see how to get a SystemDefaultHttpClient at this point, which to
> my understanding should be used at this point, and I did not find the
> correct solution besides passing all the data manually, e.g. like this:
> 
> NTCredentials ntCreds = new NTCredentials(user, password,
> localMachineName, domainName );
> CredentialsProvider credsProvider = new BasicCredentialsProvider();
> setCredentials( new AuthScope(host,port), ntCreds);
> setDefaultCredentialsProvider(credsProvider);
> setProxyAuthenticationStrategy(new ProxyAuthenticationStrategy());
> 
> However, here localMachineName and domainName have to be guessed somehow...
> 
> What is the correct solution to set a proxy in this setting?
> 

Do not set fully initialized connection manager. It makes all connection
management settings have no effect.

Oleg


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