I have a executable .jar file which I want to execute. It needs internet access, but it seems like it is the only program wich is not able to access the internet. I use the standard configuration for the JRE which comes preinstalled on tails (openjdk-7-jre). I suppose this is a problem with the JRE configuration but I was not able to find a way to change it in a way that would make it work. Do you have any idea what I can do?
First of all, try Oracle JDK/JRE - OpenJDK causes such a weird problems sometimes even nowdays. Second - try to use Tor as a proxy, set these properties: