Erreur 500 API membres ZDS

URLConnection.java

package com.winxaito.main;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLConnection;

public class Main {
	public static void main(String[] args) {
		try {
			URL url = new URL("https://api.github.com/users/winxaito");
			String content = "", line = null;
			
			System.out.println("Authority : " + url.getAuthority());
			System.out.println("Default port : " + url.getDefaultPort());
			System.out.println("Host : " + url.getHost());
			System.out.println("Port : " + url.getPort());
			System.out.println("Protocol : " + url.getProtocol());

			try {
				URLConnection urlConn = url.openConnection();
				System.out.println("ContentType : " + urlConn.getContentType() + "\n");

				BufferedReader buf = new BufferedReader(new InputStreamReader(urlConn.getInputStream()));

				while((line = buf.readLine()) != null){
					content += line + "\n";
				}


				System.out.println("RESULT:" + content);
			} catch (IOException e) {
				e.printStackTrace();
			}
		} catch (MalformedURLException e) {
			e.printStackTrace();
		}
	}
}