You'll need to speak to the MCP team, we haven't supported MCP since start of this year, and 1.2.5 since end 2012. Why are you using such an old version, anyway?
I can't view your netherbyte links.
Multicraft does some weird things, so if you have SSH access, can you try starting the server directly?
Also check if your host isn't using java 8 update 20.