upnp: hint for wrongly detected local ip address

git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@7286 6c8d7289-2bf4-0310-a012-ef5d649a1542

source/de/anomic/net/UPnP.java

@@ -73,6 +73,7 @@ public class UPnP {
 		try {
 			if (IGDs == null) IGDs = InternetGatewayDevice.getDevices(discoveryTimeout);
 			localHostIP = Domains.myPublicLocalIP().getHostAddress();
+			if (localHostIP.startsWith("127.")) log.logWarning("found odd local address: " + localHostIP + "; UPnP may fail");
 		} catch (IOException e) {
 			init = false;
 		}