title: Unable to tunnel through proxy. Proxy returns "HTTP/1.1 407 Proxy Authorization Required"
body: <p>I was trying to hit the https url for google api.
  Using the code below but its giving some errors.
  but i can hitting  one google api http url and its working very well without any  error</p>
  
  <pre><code>DataInputStream di = null;
  
  FileOutputStream fo = null;
  
  byte[] b = new byte[1];
  
  // PROXY
  System.setProperty("https.proxyHost", "my proxy");
  System.setProperty("https.proxyPort", "8080");
  
  
  Authenticator.setDefault(new PasswordAuthenticator());
  
  
  URL u = new URL("https://maps.googleapis.com/maps/api/place/autocomplete/json?input=Vict&amp;types=geocode&amp;language=fr&amp;sensor=true&amp;key=keyforuse");
  
  HttpURLConnection con = (HttpURLConnection) u.openConnection();
  
  sun.misc.BASE64Encoder encoder = new sun.misc.BASE64Encoder();
  String encodedUserPwd = encoder.encode("domain\\user:password"
          .getBytes());
  con.setRequestProperty("Proxy-Authorization", "Basic "
          + encodedUserPwd);
  
  di = new DataInputStream(con.getInputStream());
  // result = parseJSON(di);
  while (-1 != di.read(b, 0, 1)) {
      System.out.print(new String(b));
  }
  </code></pre>
  
  <p>but getting error below</p>
  
  <pre><code>java.io.IOException: Unable to tunnel through proxy. Proxy returns "HTTP/1.1 407 Proxy Authorization Required"
      at sun.net.www.protocol.http.HttpURLConnection.doTunneling(HttpURLConnection.java:1648)
      at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(AbstractDelegateHttpsURLConnection.java:164)
      at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1172)
      at sun.net.www.protocol.https.HttpsURLConnectionImpl.getInputStream(HttpsURLConnectionImpl.java:234)
      at kf.store.locator.googlemaps.test.main(test.java:58)
  </code></pre>
  
  <p>any help????</p>