title: Error: picked up java_options: -Djava.net.preferIPv4Stack=true
body: <p>I get this error when doing anything in cmd involving Ionic and Android, e.g. Ionic build Android, or Ionic emulate Android etc... What does the error mean, is it important, and how do I fix it?</p>
  
  <p><img src="https://i.stack.imgur.com/kVBTG.png" alt="enter image description here"></p>