Tekkit server Error when starting up

[mrquiksilver]

i get this nasty error when i start up the server.

C:\Users\Josh\Downloads\Tekkit>java -Xmx3072M -Xms3072M -jar Tekkit.jar nog

ui

182 recipes

27 achievements

11:27:01 [iNFO] Starting minecraft server version 1.2.5

11:27:02 [iNFO] Attempting early MinecraftForge initialization

11:27:02 [iNFO] Completed early MinecraftForge initialization

11:27:02 [iNFO] Forge Mod Loader version 2.2.91.173 for Minecraft 1.2.5 loading

11:27:02 [iNFO] Loading mods from C:\Users\Josh\Downloads\Tekkit\mods

11:27:02 [WARNING] Failed to load mod class net/minecraft/server/mod_NetherOres.

class in C:\Users\Josh\Downloads\Tekkit\mods\mod_NetherOres.jar

11:27:02 [sEVERE] Zip file mod_NetherOres.jar failed to read properly

11:27:02 [iNFO] File mod_NetherOres.jar contained no mods

11:27:02 [iNFO] Directory weaponmod contained no mods

11:27:02 [sEVERE] A problem has occured during mod loading. Likely a corrupt jar

is located in your mods directory

11:27:02 [sEVERE] cpw.mods.fml.common.LoaderException: cpw.mods.fml.common.Loade

rException: java.lang.UnsupportedClassVersionError: net/minecraft/server/mod_Net

herOres : Unsupported major.minor version 51.0

11:27:02 [sEVERE]      at cpw.mods.fml.common.Loader.load(Loader.java:436)

11:27:02 [sEVERE]      at cpw.mods.fml.common.Loader.loadMods(Loader.java:606)

11:27:02 [sEVERE]      at cpw.mods.fml.server.FMLBukkitHandler.onPreLoad(FMLBuk

kitHandler.java:134)

11:27:02 [sEVERE]      at net.minecraft.server.MinecraftServer.init(MinecraftSe

rver.java:135)

11:27:02 [sEVERE]      at net.minecraft.server.MinecraftServer.run(MinecraftSer

ver.java:438)

11:27:02 [sEVERE]      at net.minecraft.server.ThreadServerApplication.run(Sour

ceFile:492)

11:27:02 [sEVERE] Caused by: cpw.mods.fml.common.LoaderException: java.lang.Unsu

pportedClassVersionError: net/minecraft/server/mod_NetherOres : Unsupported majo

r.minor version 51.0

11:27:02 [sEVERE]      at cpw.mods.fml.common.Loader.loadModClass(Loader.java:5

27)

11:27:02 [sEVERE]      at cpw.mods.fml.common.Loader.attemptFileLoad(Loader.jav

a:562)

11:27:02 [sEVERE]      at cpw.mods.fml.common.Loader.load(Loader.java:419)

11:27:02 [sEVERE]      ... 5 more

11:27:02 [sEVERE] Caused by: java.lang.UnsupportedClassVersionError: net/minecra

ft/server/mod_NetherOres : Unsupported major.minor version 51.0

11:27:02 [sEVERE]      at java.lang.ClassLoader.defineClass1(Native Method)

11:27:02 [sEVERE]      at java.lang.ClassLoader.defineClassCond(Unknown Source)

 

11:27:02 [sEVERE]      at java.lang.ClassLoader.defineClass(Unknown Source)

11:27:02 [sEVERE]      at java.security.SecureClassLoader.defineClass(Unknown S

ource)

11:27:02 [sEVERE]      at java.net.URLClassLoader.defineClass(Unknown Source)

11:27:02 [sEVERE]      at java.net.URLClassLoader.access$000(Unknown Source)

11:27:02 [sEVERE]      at java.net.URLClassLoader$1.run(Unknown Source)

11:27:02 [sEVERE]      at java.security.AccessController.doPrivileged(Native Me

thod)

11:27:02 [sEVERE]      at java.net.URLClassLoader.findClass(Unknown Source)

11:27:02 [sEVERE]      at java.lang.ClassLoader.loadClass(Unknown Source)

11:27:02 [sEVERE]      at sun.misc.Launcher$AppClassLoader.loadClass(Unknown So

urce)

11:27:02 [sEVERE]      at java.lang.ClassLoader.loadClass(Unknown Source)

11:27:02 [sEVERE]      at java.lang.ClassLoader.loadClass(Unknown Source)

11:27:02 [sEVERE]      at java.lang.Class.forName0(Native Method)

11:27:02 [sEVERE]      at java.lang.Class.forName(Unknown Source)

11:27:02 [sEVERE]      at cpw.mods.fml.common.Loader.loadModClass(Loader.java:4

94)

11:27:02 [sEVERE]      ... 7 more

11:27:02 [sEVERE] Unexpected exception

cpw.mods.fml.common.LoaderException: cpw.mods.fml.common.LoaderException: java.l

ang.UnsupportedClassVersionError: net/minecraft/server/mod_NetherOres : Unsuppor

ted major.minor version 51.0

        at cpw.mods.fml.common.Loader.load(Loader.java:436)

        at cpw.mods.fml.common.Loader.loadMods(Loader.java:606)

        at cpw.mods.fml.server.FMLBukkitHandler.onPreLoad(FMLBukkitHandler.java:

134)

        at net.minecraft.server.MinecraftServer.init(MinecraftServer.java:135)

        at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:438)

        at net.minecraft.server.ThreadServerApplication.run(SourceFile:492)

Caused by: cpw.mods.fml.common.LoaderException: java.lang.UnsupportedClassVersio

nError: net/minecraft/server/mod_NetherOres : Unsupported major.minor version 51

.0

        at cpw.mods.fml.common.Loader.loadModClass(Loader.java:527)

        at cpw.mods.fml.common.Loader.attemptFileLoad(Loader.java:562)

        at cpw.mods.fml.common.Loader.load(Loader.java:419)

        ... 5 more

Caused by: java.lang.UnsupportedClassVersionError: net/minecraft/server/mod_Neth

erOres : Unsupported 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:494)

        ... 7 more

>

[mrquiksilver]

edit: so i have found a way to fix this error (no thanks to this forum).

i just removed netherores mod from the mods file. it might be corrupt.