Tekkit Classic Nether Ores Error

jakoubeck503 · October 6, 2013

Title: Tekkit Classic Nether Ores Error

Version: 3.1.2

OS: Linux - Debian 3.2.46-1 x86_64

Java Version: java version "1.6.0_27" OpenJDK Runtime Environment (IcedTea6 1.12.5) (6b27-1.12.5-1) OpenJDK 64-Bit Server VM (build 20.0-b12, mixed mode)

Description of Problem:

Whenever I try to launch a tekkit classic server, I get an error from Nether ores and I don't exactly understand what it means. I tried to run the same server on a friend's computer (with Windows 7 64-bit) and there it was fine. Any help will be much appreciated.

Error Messages:

Caused by: java.lang.UnsupportedClassVersionError: net/minecraft/server/mod_NetherOres : Unsupported major.minor version 51.0

Error Log:


2013-10-06 11:50:06 [FINE] Found a mod class net.minecraft.server.mod_NetherOres in file mod_NetherOres.jar, attempting to load it

2013-10-06 11:50:06 [WARNING] Failed to load mod class net/minecraft/server/mod_NetherOres.class in /home/jacob/tekkit/mods/mod_NetherOres.jar

2013-10-06 11:50:06 [FINER] THROW

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.defineClass(ClassLoader.java:634)

	at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)

	at java.net.URLClassLoader.defineClass(URLClassLoader.java:277)

	at java.net.URLClassLoader.access$000(URLClassLoader.java:73)

	at java.net.URLClassLoader$1.run(URLClassLoader.java:212)

	at java.security.AccessController.doPrivileged(Native Method)

	at java.net.URLClassLoader.findClass(URLClassLoader.java:205)

	at java.lang.ClassLoader.loadClass(ClassLoader.java:321)

	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:294)

	at java.lang.ClassLoader.loadClass(ClassLoader.java:314)

	at java.lang.ClassLoader.loadClass(ClassLoader.java:266)

	at java.lang.Class.forName0(Native Method)

	at java.lang.Class.forName(Class.java:266)

	at cpw.mods.fml.common.Loader.loadModClass(Loader.java:494)

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

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

	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)

2013-10-06 11:50:06 [sEVERE] Zip file mod_NetherOres.jar failed to read properly

2013-10-06 11:50:06 [FINER] THROW

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)

	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: 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.defineClass(ClassLoader.java:634)

	at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)

	at java.net.URLClassLoader.defineClass(URLClassLoader.java:277)

	at java.net.URLClassLoader.access$000(URLClassLoader.java:73)

	at java.net.URLClassLoader$1.run(URLClassLoader.java:212)

	at java.security.AccessController.doPrivileged(Native Method)

	at java.net.URLClassLoader.findClass(URLClassLoader.java:205)

	at java.lang.ClassLoader.loadClass(ClassLoader.java:321)

	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:294)

	at java.lang.ClassLoader.loadClass(ClassLoader.java:314)

	at java.lang.ClassLoader.loadClass(ClassLoader.java:266)

	at java.lang.Class.forName0(Native Method)

	at java.lang.Class.forName(Class.java:266)

	at cpw.mods.fml.common.Loader.loadModClass(Loader.java:494)

	... 7 more

2013-10-06 11:50:06 [iNFO] File mod_NetherOres.jar contained no mods

Chefsbrian · October 7, 2013

Its an issue with running JDK instead of JRE. Try installing JRE alongside it and see if that helps.

jakoubeck503 · October 7, 2013

I tried (using apt-get install openjdk-7-jre), but it said that I already have that package. :/

Chefsbrian · October 7, 2013

I can't tell you how to get it into linux, unfortunately, but I can say I've only ever seen that issue when its run in JDK as opposed to JRE.

jakoubeck503 · October 8, 2013

Ok. So I was messing around uninstalling and reinstalling java and seeing if it worked. I doesn't give me the error anymore, but it gives me a different one:

2013-10-08 07:01:39 [sEVERE] java.lang.NoClassDefFoundError: net/minecraft/server/powercrystals/netherores/NetherOresCore

2013-10-08 07:01:39 [sEVERE]at net.minecraft.server.mod_NetherOres.<init>(mod_NetherOres.java:23)

2013-10-08 07:01:39 [sEVERE]at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)

2013-10-08 07:01:39 [sEVERE]at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)

2013-10-08 07:01:39 [sEVERE]at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)

2013-10-08 07:01:39 [sEVERE]at java.lang.reflect.Constructor.newInstance(Constructor.java:526)

2013-10-08 07:01:39 [sEVERE]at java.lang.Class.newInstance(Class.java:374)

2013-10-08 07:01:39 [sEVERE]at cpw.mods.fml.common.modloader.ModLoaderModContainer.preInit(ModLoaderModContainer.java:107)

2013-10-08 07:01:39 [sEVERE]at cpw.mods.fml.common.Loader.preModInit(Loader.java:235)

2013-10-08 07:01:39 [sEVERE]at cpw.mods.fml.common.Loader.loadMods(Loader.java:607)

2013-10-08 07:01:39 [sEVERE]at cpw.mods.fml.server.FMLBukkitHandler.onPreLoad(FMLBukkitHandler.java:134)

2013-10-08 07:01:39 [sEVERE]at net.minecraft.server.MinecraftServer.init(MinecraftServer.java:135)

2013-10-08 07:01:39 [sEVERE]at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:438)

2013-10-08 07:01:39 [sEVERE]at net.minecraft.server.ThreadServerApplication.run(SourceFile:492)

2013-10-08 07:01:39 [sEVERE] Caused by: java.lang.ClassNotFoundException: net.minecraft.server.powercrystals.netherores.NetherOresCore

2013-10-08 07:01:39 [sEVERE]at java.net.URLClassLoader$1.run(URLClassLoader.java:366)

2013-10-08 07:01:39 [sEVERE]at java.net.URLClassLoader$1.run(URLClassLoader.java:355)

2013-10-08 07:01:39 [sEVERE]at java.security.AccessController.doPrivileged(Native Method)

2013-10-08 07:01:39 [sEVERE]at java.net.URLClassLoader.findClass(URLClassLoader.java:354)

2013-10-08 07:01:39 [sEVERE]at java.lang.ClassLoader.loadClass(ClassLoader.java:424)

2013-10-08 07:01:39 [sEVERE]at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)

2013-10-08 07:01:39 [sEVERE]at java.lang.ClassLoader.loadClass(ClassLoader.java:357)

2013-10-08 07:01:39 [sEVERE]... 13 more

2013-10-08 07:01:39 [sEVERE] Unexpected exception

java.lang.NoClassDefFoundError: net/minecraft/server/powercrystals/netherores/NetherOresCore

at net.minecraft.server.mod_NetherOres.<init>(mod_NetherOres.java:23)

at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)

at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)

at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)

at java.lang.reflect.Constructor.newInstance(Constructor.java:526)

at java.lang.Class.newInstance(Class.java:374)

at cpw.mods.fml.common.modloader.ModLoaderModContainer.preInit(ModLoaderModContainer.java:107)

at cpw.mods.fml.common.Loader.preModInit(Loader.java:235)

at cpw.mods.fml.common.Loader.loadMods(Loader.java:607)

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: java.lang.ClassNotFoundException: net.minecraft.server.powercrystals.netherores.NetherOresCore

at java.net.URLClassLoader$1.run(URLClassLoader.java:366)

at java.net.URLClassLoader$1.run(URLClassLoader.java:355)

at java.security.AccessController.doPrivileged(Native Method)

at java.net.URLClassLoader.findClass(URLClassLoader.java:354)

at java.lang.ClassLoader.loadClass(ClassLoader.java:424)

at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)

at java.lang.ClassLoader.loadClass(ClassLoader.java:357)

... 13 more

Chefsbrian · October 8, 2013

Huh... It tries to access the Netherore's, and its... Its not making any sense of it. Java can't load the file.

Try deleting Nether Ores Core and having it redownload. Maybe delete the whole Powercrystals set and redownload that just to be sure XD

jakoubeck503 · October 8, 2013

I just re-downloaded the tekkit server files and it seems to have fixed it... but I'm getting another error: (sorry!)

19:27:37 [sEVERE] java.lang.ExceptionInInitializerError

19:27:37 [sEVERE] at net.minecraft.server.WirelessRedstoneCore.initialize(WirelessRedstoneCore.java:49)

19:27:37 [sEVERE] at net.minecraft.server.mod_WirelessRedstoneCore.load(mod_WirelessRedstoneCore.java:12)

19:27:37 [sEVERE] at cpw.mods.fml.common.modloader.ModLoaderModContainer.init(ModLoaderModContainer.java:351)

19:27:37 [sEVERE] at cpw.mods.fml.common.Loader.modInit(Loader.java:263)

19:27:37 [sEVERE] at cpw.mods.fml.common.Loader.initializeMods(Loader.java:618)

19:27:37 [sEVERE] at cpw.mods.fml.server.FMLBukkitHandler.onLoadComplete(FMLBukkitHandler.java:142)

19:27:37 [sEVERE] at net.minecraft.server.MinecraftServer.init(MinecraftServer.java:176)

19:27:37 [sEVERE] at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:438)

19:27:37 [sEVERE] at net.minecraft.server.ThreadServerApplication.run(SourceFile:492)

19:27:37 [sEVERE] Caused by: java.lang.ArrayIndexOutOfBoundsException: 1024

19:27:37 [sEVERE] at codechicken.core.ConfigFile.readLine(ConfigFile.java:158)

19:27:37 [sEVERE] at codechicken.core.ConfigFile.loadConfig(ConfigFile.java:68)

19:27:37 [sEVERE] at codechicken.core.ConfigFile.<init>(ConfigFile.java:41)

19:27:37 [sEVERE] at codechicken.wirelessredstone.core.SaveManager.<clinit>(SaveManager.java:33)

19:27:37 [sEVERE] ... 9 more

19:27:37 [sEVERE] Unexpected exception

java.lang.ExceptionInInitializerError

at net.minecraft.server.WirelessRedstoneCore.initialize(WirelessRedstoneCore.java:49)

at net.minecraft.server.mod_WirelessRedstoneCore.load(mod_WirelessRedstoneCore.java:12)

at cpw.mods.fml.common.modloader.ModLoaderModContainer.init(ModLoaderModContainer.java:351)

at cpw.mods.fml.common.Loader.modInit(Loader.java:263)

at cpw.mods.fml.common.Loader.initializeMods(Loader.java:618)

at cpw.mods.fml.server.FMLBukkitHandler.onLoadComplete(FMLBukkitHandler.java:142)

at net.minecraft.server.MinecraftServer.init(MinecraftServer.java:176)

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

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

Caused by: java.lang.ArrayIndexOutOfBoundsException: 1024

at codechicken.core.ConfigFile.readLine(ConfigFile.java:158)

at codechicken.core.ConfigFile.loadConfig(ConfigFile.java:68)

at codechicken.core.ConfigFile.<init>(ConfigFile.java:41)

at codechicken.wirelessredstone.core.SaveManager.<clinit>(SaveManager.java:33)

... 9 more

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