watermelon_64 Posted June 24, 2012 Share Posted June 24, 2012 Hi! This is the error I get when I try to launch the server: C:\Users\Elijah\Documents\My Games\minecraft\TEKKIT\tekkit 3.0.4>java -Xmx3G -Xm s2G -jar Tekkit.jar nogui 182 recipes 27 achievements 14:09:28 [iNFO] Starting minecraft server version 1.2.5 14:09:28 [iNFO] Forge Mod Loader version @MAJOR@.@MINOR@.@REV@.@BUILD@ for Minec raft @MCVERSION@ loading 14:09:28 [iNFO] Loading mods from C:\Users\Elijah\Documents\My Games\minecraft\T EKKIT\tekkit 3.0.4\mods 14:09:29 [sEVERE] java.lang.UnsupportedClassVersionError: net/minecraft/server/m od_NetherOres : Unsupported major.minor version 51.0 14:09:29 [sEVERE] at java.lang.ClassLoader.defineClass1(Native Method) 14:09:29 [sEVERE] at java.lang.ClassLoader.defineClassCond(Unknown Source) 14:09:29 [sEVERE] at java.lang.ClassLoader.defineClass(Unknown Source) 14:09:29 [sEVERE] at java.security.SecureClassLoader.defineClass(Unknown S ource) 14:09:29 [sEVERE] at java.net.URLClassLoader.defineClass(Unknown Source) 14:09:29 [sEVERE] at java.net.URLClassLoader.access$000(Unknown Source) 14:09:29 [sEVERE] at java.net.URLClassLoader$1.run(Unknown Source) 14:09:29 [sEVERE] at java.security.AccessController.doPrivileged(Native Me thod) 14:09:29 [sEVERE] at java.net.URLClassLoader.findClass(Unknown Source) 14:09:29 [sEVERE] at java.lang.ClassLoader.loadClass(Unknown Source) 14:09:29 [sEVERE] at sun.misc.Launcher$AppClassLoader.loadClass(Unknown So urce) 14:09:29 [sEVERE] at java.lang.ClassLoader.loadClass(Unknown Source) 14:09:29 [sEVERE] at java.lang.ClassLoader.loadClass(Unknown Source) 14:09:29 [sEVERE] at java.lang.Class.forName0(Native Method) 14:09:29 [sEVERE] at java.lang.Class.forName(Unknown Source) 14:09:29 [sEVERE] at cpw.mods.fml.common.Loader.loadModClass(Loader.java:4 40) 14:09:29 [sEVERE] at cpw.mods.fml.common.Loader.attemptFileLoad(Loader.jav a:497) 14:09:29 [sEVERE] at cpw.mods.fml.common.Loader.load(Loader.java:375) 14:09:29 [sEVERE] at cpw.mods.fml.common.Loader.loadMods(Loader.java:527) 14:09:29 [sEVERE] at cpw.mods.fml.server.FMLBukkitHandler.onPreLoad(FMLBuk kitHandler.java:113) 14:09:29 [sEVERE] at net.minecraft.server.MinecraftServer.init(MinecraftSe rver.java:118) 14:09:29 [sEVERE] at net.minecraft.server.MinecraftServer.run(MinecraftSer ver.java:426) 14:09:29 [sEVERE] at net.minecraft.server.ThreadServerApplication.run(Sour ceFile:492) 14:09:29 [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) > PLEASE HELP Link to comment Share on other sites More sharing options...
penorzilla Posted June 24, 2012 Share Posted June 24, 2012 Your nether ores mod is out of date. Delete the nether ores mod from your mods folder and re-run, see if your server starts without any errors. Link to comment Share on other sites More sharing options...
viktor Posted June 25, 2012 Share Posted June 25, 2012 Your nether ores mod is out of date. Delete the nether ores mod from your mods folder and re-run, see if your server starts without any errors. Thanks this solved the problem aleast for me! :D Link to comment Share on other sites More sharing options...
Dancso Posted June 25, 2012 Share Posted June 25, 2012 Make sure you are also using Java 7 and not Java 6 like I tried... until I realised it isn't going to work with version 6. Link to comment Share on other sites More sharing options...
MegaWhackoJacko Posted July 6, 2012 Share Posted July 6, 2012 Make sure you are also using Java 7 and not Java 6 like I tried... until I realised it isn't going to work with version 6. This worked for me thx so much Link to comment Share on other sites More sharing options...
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