Cannot connect to cuberite (At all)

[Aberts10]

Im trying to connect using localhost on the same machine, yes. I already have a machine running cuberite on the network, So i don't plan on port forwarding it, Just simply using it as a development server. The client does not give me any messages or any notices in the logs. Im thinking its something to do with my system, but i have not a single clue what it could be