title: java.io.IOException: Unable to establish loopback connection
body: <p>I get this java exception when i build android in CMD and i don't catch why and how to figure this out.</p>
  
  <p>The exception is:</p>
  
  <pre><code>java.io.IOException: Unable to establish loopback connection
  </code></pre>
  
  <p>What can I do ?
  (ionic 2 building android windows 10 Home 64 bit)</p>