Can't start server, odd message.

[Graziservers]

Title: Can't start server, odd message.

Version: 3.1.2

OS: Windows Server 2008

Java Version: 7U10

Description of Problem:

I get a message in the console on the start of the server.

Error Messages:

C:\Users\admin\Desktop\Tekkit\Tekkit>java -Xmx12G -Xms4G -jar Tekkit.jar nogui

182 recipes

27 achievements

java.lang.NoClassDefFoundError: Could not initialize class org.fusesource.jansi.

internal.Kernel32

at org.fusesource.jansi.internal.WindowsSupport.getConsoleMode(WindowsSu

pport.java:50)

at jline.WindowsTerminal.getConsoleMode(WindowsTerminal.java:176)

at jline.WindowsTerminal.init(WindowsTerminal.java:80)

at jline.TerminalFactory.create(TerminalFactory.java:93)

at jline.TerminalFactory.get(TerminalFactory.java:151)

at jline.console.ConsoleReader.<init>(ConsoleReader.java:140)

at jline.console.ConsoleReader.<init>(ConsoleReader.java:126)

at net.minecraft.server.MinecraftServer.<init>(MinecraftServer.java:91)

at net.minecraft.server.MinecraftServer.main(MinecraftServer.java:627)

at org.bukkit.craftbukkit.Main.main(Main.java:136)

C:\Users\admin\Desktop\Tekkit\Tekkit>pause

Error Log:

[Graziservers]

Just tried uninstalling 7U10 and installing 6U37 and I get the exact same error.