how do you make a tekkit 2.1 server when ever i try it says this in the mod loader crash text.
Mar 8, 2012 4:52:15 PM net.minecraft.server.ModLoader init
FINE: ModLoader Server 1.1 Initializing...
Mar 8, 2012 4:52:15 PM net.minecraft.server.ModLoader readFromModFolder
FINER: Adding mods from C:\Users\nolan\Desktop\Tekkit_Server_2.1\mods\additionalpipes-32.3-bukkit-b1.1R4-r1.zip
Mar 8, 2012 4:52:15 PM net.minecraft.server.ModLoader readFromModFolder
FINER: Zip found.
Mar 8, 2012 4:52:15 PM net.minecraft.server.ModLoader addMod
FINE: Mod Loaded: "mod_zAdditionalPipes Rev32.3" from mod_zAdditionalPipes.class
Mar 8, 2012 4:52:15 PM net.minecraft.server.ModLoader readFromModFolder
FINER: Adding mods from C:\Users\nolan\Desktop\Tekkit_Server_2.1\mods\AdvancedMachines_3.6_bukkit.zip
Mar 8, 2012 4:52:15 PM net.minecraft.server.ModLoader readFromModFolder
FINER: Zip found.
Mar 8, 2012 4:52:15 PM net.minecraft.server.ModLoader addMod
FINE: Failed to load mod from "mod_IC2AdvancedMachines.class"
Mar 8, 2012 4:52:15 PM ModLoader addMod
FINER: THROW
java.lang.UnsupportedClassVersionError: net/minecraft/server/mod_IC2AdvancedMachines : 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 net.minecraft.server.ModLoader.addMod(ModLoader.java:172)
at net.minecraft.server.ModLoader.readFromModFolder(ModLoader.java:929)
at net.minecraft.server.ModLoader.init(ModLoader.java:683)
at net.minecraft.server.ModLoader.Init(ModLoader.java:1357)
at net.minecraft.server.MinecraftServer.init(MinecraftServer.java:102)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:411)
at net.minecraft.server.ThreadServerApplication.run(SourceFile:465)
Mar 8, 2012 4:52:15 PM net.minecraft.server.ModLoader ThrowException
SEVERE: Unexpected exception
java.lang.UnsupportedClassVersionError: net/minecraft/server/mod_IC2AdvancedMachines : 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 net.minecraft.server.ModLoader.addMod(ModLoader.java:172)
at net.minecraft.server.ModLoader.readFromModFolder(ModLoader.java:929)
at net.minecraft.server.ModLoader.init(ModLoader.java:683)
at net.minecraft.server.ModLoader.Init(ModLoader.java:1357)
at net.minecraft.server.MinecraftServer.init(MinecraftServer.java:102)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:411)
at net.minecraft.server.ThreadServerApplication.run(SourceFile:465)
Mar 8, 2012 4:52:15 PM ModLoader init
FINER: THROW
java.lang.RuntimeException: Exception occured in ModLoader
at net.minecraft.server.ModLoader.ThrowException(ModLoader.java:1292)
at net.minecraft.server.ModLoader.ThrowException(ModLoader.java:1297)
at net.minecraft.server.ModLoader.addMod(ModLoader.java:193)
at net.minecraft.server.ModLoader.readFromModFolder(ModLoader.java:929)
at net.minecraft.server.ModLoader.init(ModLoader.java:683)
at net.minecraft.server.ModLoader.Init(ModLoader.java:1357)
at net.minecraft.server.MinecraftServer.init(MinecraftServer.java:102)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:411)
at net.minecraft.server.ThreadServerApplication.run(SourceFile:465)
Caused by: java.lang.UnsupportedClassVersionError: net/minecraft/server/mod_IC2AdvancedMachines : 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 net.minecraft.server.ModLoader.addMod(ModLoader.java:172)
... 6 more
Mar 8, 2012 4:52:15 PM net.minecraft.server.ModLoader ThrowException
SEVERE: Unexpected exception
java.lang.RuntimeException: Exception occured in ModLoader
at net.minecraft.server.ModLoader.ThrowException(ModLoader.java:1292)
at net.minecraft.server.ModLoader.ThrowException(ModLoader.java:1297)
at net.minecraft.server.ModLoader.addMod(ModLoader.java:193)
at net.minecraft.server.ModLoader.readFromModFolder(ModLoader.java:929)
at net.minecraft.server.ModLoader.init(ModLoader.java:683)
at net.minecraft.server.ModLoader.Init(ModLoader.java:1357)
at net.minecraft.server.MinecraftServer.init(MinecraftServer.java:102)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:411)
at net.minecraft.server.ThreadServerApplication.run(SourceFile:465)
Caused by: java.lang.UnsupportedClassVersionError: net/minecraft/server/mod_IC2AdvancedMachines : 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 net.minecraft.server.ModLoader.addMod(ModLoader.java:172)
... 6 more
any help would be greatly appreciated.