String () { // HACK for Windows with ipv6 @NlsSafe String localHostString = "localhost"; try { final InetAddress localHost = InetAddress.getByName(localHostString); if ((localHost.getAddress().length != 4 && SystemInfo.isWindows) || (localHost.getAddress().length == 4 && SystemInfo.isMac)) { localHostString = "127.0.0.1"; } } catch (UnknownHostException ignored) { } return localHostString; }