Mod Errors

[Rushmead]

Heya Guys!

I'm Running the Tekkit server And when i run it i get this error message

13-Apr-2012 07:27:19 net.minecraft.server.ModLoader addMod

FINE: Failed to load mod from "mod_IC2AdvancedMachines.class"

13-Apr-2012 07:27:19 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)

13-Apr-2012 07:27:19 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)

13-Apr-2012 07:27:19 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

13-Apr-2012 07:27:19 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

is there a way to fix it?

[357blackhawk]

I also have this problem and would like an answer.

Thanks in advance.

[Grindle2000]

According to this page http://www.java.net/node/664117 it means you are trying to run the java application with a outdated version of Java and need to update .

I would uninstall all the versions of Java on your computer then install the latest stable build for your OS and see if that helps

[ZombieTwiglet]

There is a sticky in the BUG board; http://forums.technicpack.net/index.php/topic,2834.0.html

Protip, it's called bug board because it has bug reports, and solutions to bugs.