Proxy access when using webstart

Issue

• When proxy server is required in a network, the jnlp application is not working, the following error is found in the log:

  location.getHost() --> test.example.com
  Exception in thread "main" java.net.UnknownHostException: test.example.com
          at java.net.Inet6AddressImpl.lookupAllHostAddr(Native Method)
          at java.net.InetAddress$2.lookupAllHostAddr(InetAddress.java:929)
          at java.net.InetAddress.getAddressesFromNameService(InetAddress.java:1324)
          at java.net.InetAddress.getAllByName0(InetAddress.java:1277)
          at java.net.InetAddress.getAllByName(InetAddress.java:1193)
          at java.net.InetAddress.getAllByName(InetAddress.java:1127)
          at java.net.InetAddress.getByName(InetAddress.java:1077)
          at DNSTest.main(DNSTest.java:11)