Well, tried the following bit of code:
import jcifs.netbios.NbtAddress;
...
try{
NbtAddress addr = NbtAddress.getByName("Base");
}catch (UnknownHostException e){}
...
And it throws that exception. Any ideas? I have tried it with a couple of named machines on the LAN
I was using the emulator. When I ran the app on real hardware the problem disappeared.