openjk.x86.exe isn't for a server, it's for playing multiplayer.
If you want to create a server, use openjkded.x86.exe.
If you want to play MBII via latest openjk, you have to move "Jedi Academy\GameData\rd-vanilla-mbii_x86.dll" to some other folder, and copy "rd-vanilla_x86.dll" to from...