Problem running server

[Jason111]

Title: Problem running server

Version: 3.1.2

OS: Windows 7 (64 bits)

Java Version: Java 6 Update 35 (64 bits)

Description of Problem:

I cannot run the tekkit server, it sais I have a corrupt jar or something.

Error Messages:

A problem has occured during mod loading. Likely a corrupt jar is located in your mods directory

Error Log:

2012-11-10 20:03:13 [sEVERE] A problem has occured during mod loading. Likely a corrupt jar is located in your mods directory

2012-11-10 20:03:13 [sEVERE] cpw.mods.fml.common.LoaderException: cpw.mods.fml.common.LoaderException: java.lang.UnsupportedClassVersionError: net/minecraft/server/mod_NetherOres : Unsupported major.minor version 51.0

2012-11-10 20:03:13 [sEVERE] at cpw.mods.fml.common.Loader.load(Loader.java:436)

2012-11-10 20:03:13 [sEVERE] at cpw.mods.fml.common.Loader.loadMods(Loader.java:606)

2012-11-10 20:03:13 [sEVERE] at cpw.mods.fml.server.FMLBukkitHandler.onPreLoad(FMLBukkitHandler.java:134)

2012-11-10 20:03:13 [sEVERE] at net.minecraft.server.MinecraftServer.init(MinecraftServer.java:135)

2012-11-10 20:03:13 [sEVERE] at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:438)

2012-11-10 20:03:13 [sEVERE] at net.minecraft.server.ThreadServerApplication.run(SourceFile:492)

2012-11-10 20:03:13 [sEVERE] Caused by: cpw.mods.fml.common.LoaderException: java.lang.UnsupportedClassVersionError: net/minecraft/server/mod_NetherOres : Unsupported major.minor version 51.0

2012-11-10 20:03:13 [sEVERE] at cpw.mods.fml.common.Loader.loadModClass(Loader.java:527)

2012-11-10 20:03:13 [sEVERE] at cpw.mods.fml.common.Loader.attemptFileLoad(Loader.java:562)

2012-11-10 20:03:13 [sEVERE] at cpw.mods.fml.common.Loader.load(Loader.java:419)

2012-11-10 20:03:13 [sEVERE] ... 5 more

2012-11-10 20:03:13 [sEVERE] Caused by: java.lang.UnsupportedClassVersionError: net/minecraft/server/mod_NetherOres : Unsupported major.minor version 51.0

2012-11-10 20:03:13 [sEVERE] at java.lang.ClassLoader.defineClass1(Native Method)

2012-11-10 20:03:13 [sEVERE] at java.lang.ClassLoader.defineClassCond(Unknown Source)

2012-11-10 20:03:13 [sEVERE] at java.lang.ClassLoader.defineClass(Unknown Source)

2012-11-10 20:03:13 [sEVERE] at java.security.SecureClassLoader.defineClass(Unknown Source)

2012-11-10 20:03:13 [sEVERE] at java.net.URLClassLoader.defineClass(Unknown Source)

2012-11-10 20:03:13 [sEVERE] at java.net.URLClassLoader.access$000(Unknown Source)

2012-11-10 20:03:13 [sEVERE] at java.net.URLClassLoader$1.run(Unknown Source)

2012-11-10 20:03:13 [sEVERE] at java.security.AccessController.doPrivileged(Native Method)

2012-11-10 20:03:13 [sEVERE] at java.net.URLClassLoader.findClass(Unknown Source)

2012-11-10 20:03:13 [sEVERE] at java.lang.ClassLoader.loadClass(Unknown Source)

2012-11-10 20:03:13 [sEVERE] at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)

2012-11-10 20:03:13 [sEVERE] at java.lang.ClassLoader.loadClass(Unknown Source)

2012-11-10 20:03:13 [sEVERE] at java.lang.ClassLoader.loadClass(Unknown Source)

2012-11-10 20:03:13 [sEVERE] at java.lang.Class.forName0(Native Method)

2012-11-10 20:03:13 [sEVERE] at java.lang.Class.forName(Unknown Source)

2012-11-10 20:03:13 [sEVERE] at cpw.mods.fml.common.Loader.loadModClass(Loader.java:494)

2012-11-10 20:03:13 [sEVERE] ... 7 more

2012-11-10 20:03:13 [sEVERE] Unexpected exception

cpw.mods.fml.common.LoaderException: cpw.mods.fml.common.LoaderException: java.lang.UnsupportedClassVersionError: net/minecraft/server/mod_NetherOres : Unsupported 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.UnsupportedClassVersionError: 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_NetherOres : 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

Edit: Forgot to say I alredy downloaded the server again a few times.

[Magister]

update your java or remove nether ores, this questions gets asked over and over, always the same way to fix

[Jason111]

Ok, thanks