code: public static InetAddress getLocalIpAddress() throws RuntimeException
  	{
  		try
  		{
  			List<InetAddress> ips = getLocalIpAddresses(false, true);
  
  			for (InetAddress ip : ips)
  			{
  				log.debug("[IpHelper] {getLocalIpAddress} Considering locality of " + ip.getHostAddress());
  				if (!ip.isAnyLocalAddress() && (ip instanceof Inet4Address))
  				{
  					// Ubuntu sets the unix hostname to resolve to 127.0.1.1; this is annoying so treat it as a loopback
  					if (!ip.getHostAddress().startsWith("127.0."))
  					{
  						log.debug("[IpHelper] {getLocalIpAddress} Found nonloopback IP: " + ip.getHostAddress());
  						return ip;
  					}
  				}
  			}
  
  			log.trace("[IpHelper] {getLocalIpAddress} Couldn't find a public IP in the ip (size " + ips.size() + ")");
  			return InetAddress.getLocalHost();
  		}
  		catch (UnknownHostException e)
  		{
  			throw new RuntimeException("[FileHelper] {getLocalIp}: Unable to acquire the current machine's InetAddress", e);
  		}
  	}
docs: Returns the primary InetAddress of localhost
  
  @return InetAddress The InetAddress of the local host
  
  @throws RuntimeException
  On any error
  @since 1.0