HTTP Proxy Settings in JAVA (Eclipse)

[Prateek Chandra Jha]

I was trying to implement proxy authentication in JAVA in eclipse using the code below. But it isn't working.

Infact when I run this code with the HttpUrlConnection, It does not render the website's HTML code but displays the code itself.

What is missing ?

For authentication, I used java.net.Authenticator to set proxy's configuration and set the system properties http.proxyUser and http.proxyPassword.

final String authUser = "myuser";

final String authPassword = "secret";


System.setProperty("http.proxyHost", "hostAddress");

System.setProperty("http.proxyPort", "portNumber");

System.setProperty("http.proxyUser", authUser);

System.setProperty("http.proxyPassword", authPassword);


Authenticator.setDefault(

  new Authenticator() {

    public PasswordAuthentication getPasswordAuthentication() {

      return new PasswordAuthentication(authUser, authPassword.toCharArray());

    }

  }

);

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Prateek Chandra Jha | 2nd Year Undergraduate | Aerospace Engineering | +919004076998

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[Saswat Padhi]

I think you might find this helpful: http://stackoverflow.com/questions/8669726/java-proxy-authentication

It actually used basic HTTP Auth to tackle the proxy.

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[Prateek Chandra Jha]

By the way does Windows still make or rely on use of NTLM proxy (because this stackflow is on NTLM authentication problem) ? 

What was the major diference between kerberos and NTLM ?

The answer is slightly vague because It is not a solution but a snippet of code that accompanies the code I provided above.

and the error I am getting is HTTP 403 which is a forbidden status code.

I think because it is not giving any errors, it might be some everlasting eclipse bug. I am not sure. Lets see.

[Guna Prasaad]

You can also try out HtmlUnit library for connections using proxy authentication. It's simple and easy API. 

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