title: How to pass jvm arg -Djava.net.preferIPv4Stack=true to Ant task "get"
body: <p>I need to pass jvm arg -Djava.net.preferIPv4Stack=true to Ant task"get". 
  Is it possible?
          </p>
  
  <pre><code>    &lt;!-- getting  submit.jar  --&gt;
      &lt;echo message="getting  submit.jar..." /&gt;
      &lt;get src="http://servername/Bootstrap?artifact=submit.jar" dest="../lib/submit.jar"/&gt;
  </code></pre>
  
  <p>
  Initial problem is <a href="https://stackoverflow.com/questions/8360913/weird-java-net-socketexception-permission-denied-connect-error-when-running-groo">Weird java.net.SocketException Permission Denied connect error when running Groovy in Intellij IDEA</a></p>