What Java properties to pass to a Java app to authenticate with a http proxy

Question

I have a Java application that is trying to access a web service via http proxy. The Java app is 3rd party app for which we don\'t have access to source code.

Its la

Answer 1

One also needs to specify NT domain for NTLM authnetication to work.

-Dhttp.proxyUser=MyDomain/username

or by setting

-Dhttp.auth.ntlm.domain=MyDomain

And you also MUST explicitly instruct HttpClient to take system properties into account, which it does not do by default

 CloseableHttpClient client = HttpClients.createSystem();

or

 CloseableHttpClient client = HttpClients.custom()
     .useSystemProperties()
     .build();