jeghetervetle Posted March 8, 2012 Posted March 8, 2012 Hello guys, I get this error while trying to run a tekkit 2.1.1 server on my mac: >Failed to load mod from "mod_IC2AdvancedMachines.class" >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(ClassLoader.java:631) at java.lang.ClassLoader.defineClass(ClassLoader.java:615) at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:141) at java.net.URLClassLoader.defineClass(URLClassLoader.java:283) at java.net.URLClassLoader.access$000(URLClassLoader.java:58) at java.net.URLClassLoader$1.run(URLClassLoader.java:197) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:190) at java.lang.ClassLoader.loadClass(ClassLoader.java:306) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301) at java.lang.ClassLoader.loadClass(ClassLoader.java:247) 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) 23:21:55 [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(ClassLoader.java:631) at java.lang.ClassLoader.defineClass(ClassLoader.java:615) at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:141) at java.net.URLClassLoader.defineClass(URLClassLoader.java:283) at java.net.URLClassLoader.access$000(URLClassLoader.java:58) at java.net.URLClassLoader$1.run(URLClassLoader.java:197) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:190) at java.lang.ClassLoader.loadClass(ClassLoader.java:306) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301) at java.lang.ClassLoader.loadClass(ClassLoader.java:247) 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) >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(ClassLoader.java:631) at java.lang.ClassLoader.defineClass(ClassLoader.java:615) at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:141) at java.net.URLClassLoader.defineClass(URLClassLoader.java:283) at java.net.URLClassLoader.access$000(URLClassLoader.java:58) at java.net.URLClassLoader$1.run(URLClassLoader.java:197) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:190) at java.lang.ClassLoader.loadClass(ClassLoader.java:306) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301) at java.lang.ClassLoader.loadClass(ClassLoader.java:247) at net.minecraft.server.ModLoader.addMod(ModLoader.java:172) ... 6 more 23:21:55 [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(ClassLoader.java:631) at java.lang.ClassLoader.defineClass(ClassLoader.java:615) at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:141) at java.net.URLClassLoader.defineClass(URLClassLoader.java:283) at java.net.URLClassLoader.access$000(URLClassLoader.java:58) at java.net.URLClassLoader$1.run(URLClassLoader.java:197) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:190) at java.lang.ClassLoader.loadClass(ClassLoader.java:306) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301) at java.lang.ClassLoader.loadClass(ClassLoader.java:247) at net.minecraft.server.ModLoader.addMod(ModLoader.java:172) ... 6 more >java.lang.RuntimeException: ModLoader has failed to initialize. at net.minecraft.server.ModLoader.ThrowException(ModLoader.java:1292) at net.minecraft.server.ModLoader.init(ModLoader.java:715) 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.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) ... 4 more 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(ClassLoader.java:631) at java.lang.ClassLoader.defineClass(ClassLoader.java:615) at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:141) at java.net.URLClassLoader.defineClass(URLClassLoader.java:283) at java.net.URLClassLoader.access$000(URLClassLoader.java:58) at java.net.URLClassLoader$1.run(URLClassLoader.java:197) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:190) at java.lang.ClassLoader.loadClass(ClassLoader.java:306) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301) at java.lang.ClassLoader.loadClass(ClassLoader.java:247) at net.minecraft.server.ModLoader.addMod(ModLoader.java:172) ... 6 more 23:21:55 [sEVERE] Unexpected exception java.lang.RuntimeException: ModLoader has failed to initialize. at net.minecraft.server.ModLoader.ThrowException(ModLoader.java:1292) at net.minecraft.server.ModLoader.init(ModLoader.java:715) 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.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) ... 4 more 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(ClassLoader.java:631) at java.lang.ClassLoader.defineClass(ClassLoader.java:615) at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:141) at java.net.URLClassLoader.defineClass(URLClassLoader.java:283) at java.net.URLClassLoader.access$000(URLClassLoader.java:58) at java.net.URLClassLoader$1.run(URLClassLoader.java:197) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:190) at java.lang.ClassLoader.loadClass(ClassLoader.java:306) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301) at java.lang.ClassLoader.loadClass(ClassLoader.java:247) at net.minecraft.server.ModLoader.addMod(ModLoader.java:172) ... 6 more Does somebody know what I can do to solve this problem? Any help would be greatly appreciated :) Quote
Viderizer Posted March 8, 2012 Posted March 8, 2012 Re: Error running tekkie server on mac [Please help] http://forums.technicpack.net/index.php/topic,2834.0/ Read stickies, search the forum, put some effort in. Quote
jeghetervetle Posted March 8, 2012 Author Posted March 8, 2012 Re: Error running tekkie server on mac [Please help] http://forums.technicpack.net/index.php/topic,2834.0/ Read stickies, search the forum, put some effort in. Okay, sorry my fault:( But thanks anyways! Works like a charm now Quote
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