im trying to create a server for me and a few friends to play together on, but i cant seem to get it working, i saved the server file to my desktop, and click on the launch file, once i press that i get the following:
"C:\Users\Jack\Desktop\Tekkit Server>java -Xmx1G -Xms1G -jar Tekkit.jar nogui
182 recipes
27 achievements
18:38:40 [iNFO] Starting minecraft server version 1.2.5
18:38:40 [iNFO] Forge Mod Loader version @MAJOR@.@MINOR@.@REV@.@BUILD@ for Minec
raft @MCVERSION@ loading
18:38:41 [iNFO] Loading mods from C:\Users\Jack\Desktop\Tekkit Server\mods
18:38:41 [sEVERE] java.lang.UnsupportedClassVersionError: net/minecraft/server/m
od_NetherOres : Unsupported major.minor version 51.0
18:38:41 [sEVERE] at java.lang.ClassLoader.defineClass1(Native Method)
18:38:41 [sEVERE] at java.lang.ClassLoader.defineClassCond(Unknown Source)
18:38:41 [sEVERE] at java.lang.ClassLoader.defineClass(Unknown Source)
18:38:41 [sEVERE] at java.security.SecureClassLoader.defineClass(Unknown S
ource)
18:38:41 [sEVERE] at java.net.URLClassLoader.defineClass(Unknown Source)
18:38:41 [sEVERE] at java.net.URLClassLoader.access$000(Unknown Source)
18:38:41 [sEVERE] at java.net.URLClassLoader$1.run(Unknown Source)
18:38:41 [sEVERE] at java.security.AccessController.doPrivileged(Native Me
thod)
18:38:41 [sEVERE] at java.net.URLClassLoader.findClass(Unknown Source)
18:38:41 [sEVERE] at java.lang.ClassLoader.loadClass(Unknown Source)
18:38:41 [sEVERE] at sun.misc.Launcher$AppClassLoader.loadClass(Unknown So
urce)
18:38:41 [sEVERE] at java.lang.ClassLoader.loadClass(Unknown Source)
18:38:41 [sEVERE] at java.lang.ClassLoader.loadClass(Unknown Source)
18:38:41 [sEVERE] at java.lang.Class.forName0(Native Method)
18:38:41 [sEVERE] at java.lang.Class.forName(Unknown Source)
18:38:41 [sEVERE] at cpw.mods.fml.common.Loader.loadModClass(Loader.java:4
40)
18:38:41 [sEVERE] at cpw.mods.fml.common.Loader.attemptFileLoad(Loader.jav
a:497)
18:38:41 [sEVERE] at cpw.mods.fml.common.Loader.load(Loader.java:375)
18:38:41 [sEVERE] at cpw.mods.fml.common.Loader.loadMods(Loader.java:527)
18:38:41 [sEVERE] at cpw.mods.fml.server.FMLBukkitHandler.onPreLoad(FMLBuk
kitHandler.java:113)
18:38:41 [sEVERE] at net.minecraft.server.MinecraftServer.init(MinecraftSe
rver.java:118)
18:38:41 [sEVERE] at net.minecraft.server.MinecraftServer.run(MinecraftSer
ver.java:426)
18:38:41 [sEVERE] at net.minecraft.server.ThreadServerApplication.run(Sour
ceFile:492)
18:38:41 [sEVERE] Unexpected exception
java.lang.UnsupportedClassVersionError: net/minecraft/server/mod_NetherOres : Un
supported major.minor version 51.0
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClassCond(Unknown Source)
at java.lang.ClassLoader.defineClass(Unknown Source)
at java.security.SecureClassLoader.defineClass(Unknown Source)
at java.net.URLClassLoader.defineClass(Unknown Source)
at java.net.URLClassLoader.access$000(Unknown Source)
at java.net.URLClassLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Unknown Source)
at cpw.mods.fml.common.Loader.loadModClass(Loader.java:440)
at cpw.mods.fml.common.Loader.attemptFileLoad(Loader.java:497)
at cpw.mods.fml.common.Loader.load(Loader.java:375)
at cpw.mods.fml.common.Loader.loadMods(Loader.java:527)
at cpw.mods.fml.server.FMLBukkitHandler.onPreLoad(FMLBukkitHandler.java:
113)
at net.minecraft.server.MinecraftServer.init(MinecraftServer.java:118)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:426)
at net.minecraft.server.ThreadServerApplication.run(SourceFile:492)
>"
Once that has finished, nothing else happens. any information would be greatly appreciated