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Running Windows 7 64 bit, finished moving over all my Minecraft stuff here, Downloaded the latest version of Forge, go to start the game up, and this happened.

  [09:05:24] [main/INFO] [LaunchWrapper]: Loading tweak class name cpw.mods.fml.common.launcher.FMLTweaker
[09:05:24] [main/INFO] [LaunchWrapper]: Using primary tweak class name cpw.mods.fml.common.launcher.FMLTweaker
[09:05:24] [main/INFO] [LaunchWrapper]: Calling tweak class cpw.mods.fml.common.launcher.FMLTweaker
[09:05:24] [main/INFO] [FML]: Forge Mod Loader version 7.10.85.1291 for Minecraft 1.7.10 loading
[09:05:24] [main/INFO] [FML]: Java is Java HotSpot(TM) 64-Bit Server VM, version 1.8.0_25, running on Windows 7:amd64:6.1, installed at C:\Users\Silent_Darkness\Desktop\runtime\jre-x64\1.8.0_25
[09:05:24] [main/WARN] [FML]: The coremod appeng.transformer.AppEngCore does not have a MCVersion annotation, it may cause issues with this version of Minecraft
[09:05:24] [main/INFO] [FML]: [AppEng] Core Init
[09:05:24] [main/WARN] [FML]: The coremod codechicken.core.launch.CodeChickenCorePlugin does not have a MCVersion annotation, it may cause issues with this version of Minecraft
[09:05:24] [main/WARN] [FML]: The coremod cofh.asm.LoadingPlugin does not have a MCVersion annotation, it may cause issues with this version of Minecraft
[09:05:24] [main/WARN] [FML]: The coremod cofh.asm.LoadingPlugin does not have a MCVersion annotation, it may cause issues with this version of Minecraft
[09:05:24] [main/WARN] [FML]: The coremod atomicstryker.dynamiclights.common.DLFMLCorePlugin does not have a MCVersion annotation, it may cause issues with this version of Minecraft
[09:05:24] [main/INFO] [FML]: Loading tweaker cpw.mods.fml.common.launcher.FMLTweaker from forge-1.7.10-10.13.2.1277-universal.jar
[09:05:24] [main/WARN] [FML]: The coremod codechicken.core.launch.DepLoader does not have a MCVersion annotation, it may cause issues with this version of Minecraft
[09:05:24] [main/WARN] [FML]: The coremod ic2.core.coremod.IC2core does not have a MCVersion annotation, it may cause issues with this version of Minecraft
[09:05:24] [main/WARN] [FML]: The coremod mrtjp.core.handler.CorePlugin does not have a MCVersion annotation, it may cause issues with this version of Minecraft
[09:05:24] [main/WARN] [FML]: The coremod codechicken.nei.asm.NEICorePlugin does not have a MCVersion annotation, it may cause issues with this version of Minecraft
[09:05:24] [main/WARN] [FML]: The coremod openblocks.OpenBlocksCorePlugin does not have a MCVersion annotation, it may cause issues with this version of Minecraft
[09:05:24] [main/WARN] [FML]: The coremod openmods.OpenModsCorePlugin does not have a MCVersion annotation, it may cause issues with this version of Minecraft
[09:05:24] [main/WARN] [FML]: The coremod codechicken.core.launch.DepLoader does not have a MCVersion annotation, it may cause issues with this version of Minecraft
[09:05:24] [main/WARN] [FML]: The coremod codechicken.core.launch.DepLoader does not have a MCVersion annotation, it may cause issues with this version of Minecraft
[09:05:24] [main/WARN] [FML]: The coremod thaumcraft.codechicken.core.launch.DepLoader does not have a MCVersion annotation, it may cause issues with this version of Minecraft
[09:05:24] [main/WARN] [FML]: The coremod codechicken.core.launch.DepLoader does not have a MCVersion annotation, it may cause issues with this version of Minecraft
[09:05:24] [main/INFO] [LaunchWrapper]: Loading tweak class name cpw.mods.fml.common.launcher.FMLInjectionAndSortingTweaker
[09:05:24] [main/WARN] [LaunchWrapper]: Tweak class name cpw.mods.fml.common.launcher.FMLTweaker has already been visited -- skipping
[09:05:24] [main/INFO] [LaunchWrapper]: Loading tweak class name cpw.mods.fml.common.launcher.FMLDeobfTweaker
[09:05:24] [main/INFO] [LaunchWrapper]: Calling tweak class cpw.mods.fml.common.launcher.FMLInjectionAndSortingTweaker
[09:05:24] [main/INFO] [LaunchWrapper]: Calling tweak class cpw.mods.fml.common.launcher.FMLInjectionAndSortingTweaker
[09:05:24] [main/INFO] [LaunchWrapper]: Calling tweak class cpw.mods.fml.relauncher.CoreModManager$FMLPluginWrapper
[09:05:25] [main/INFO] [FML]: Found valid fingerprint for Minecraft Forge. Certificate fingerprint e3c3d50c7c986df74c645c0ac54639741c90a557
[09:05:25] [main/INFO] [FML]: Found valid fingerprint for Minecraft. Certificate fingerprint cd99959656f753dc28d863b46769f7f8fbaefcfc
[09:05:25] [main/INFO] [LaunchWrapper]: Calling tweak class cpw.mods.fml.relauncher.CoreModManager$FMLPluginWrapper
[09:05:25] [main/INFO] [LaunchWrapper]: Calling tweak class cpw.mods.fml.relauncher.CoreModManager$FMLPluginWrapper
[09:05:25] [main/INFO] [LaunchWrapper]: Calling tweak class cpw.mods.fml.relauncher.CoreModManager$FMLPluginWrapper
[09:05:25] [main/INFO] [LaunchWrapper]: Calling tweak class cpw.mods.fml.relauncher.CoreModManager$FMLPluginWrapper
[09:05:25] [main/INFO] [LaunchWrapper]: Calling tweak class cpw.mods.fml.relauncher.CoreModManager$FMLPluginWrapper
[09:05:25] [main/INFO] [LaunchWrapper]: Calling tweak class cpw.mods.fml.relauncher.CoreModManager$FMLPluginWrapper
[09:05:25] [main/INFO] [LaunchWrapper]: Calling tweak class cpw.mods.fml.relauncher.CoreModManager$FMLPluginWrapper
[09:05:25] [main/INFO] [LaunchWrapper]: Calling tweak class cpw.mods.fml.relauncher.CoreModManager$FMLPluginWrapper
[09:05:25] [main/INFO] [LaunchWrapper]: Calling tweak class cpw.mods.fml.relauncher.CoreModManager$FMLPluginWrapper
[09:05:25] [main/INFO] [IC2-core]: Loaded library ejml-0.23.jar.
[09:05:25] [main/INFO] [LaunchWrapper]: Calling tweak class cpw.mods.fml.relauncher.CoreModManager$FMLPluginWrapper
[09:05:25] [main/INFO] [LaunchWrapper]: Calling tweak class cpw.mods.fml.relauncher.CoreModManager$FMLPluginWrapper
[09:05:25] [main/INFO] [LaunchWrapper]: Calling tweak class cpw.mods.fml.relauncher.CoreModManager$FMLPluginWrapper
[09:05:25] [main/INFO] [LaunchWrapper]: Calling tweak class cpw.mods.fml.relauncher.CoreModManager$FMLPluginWrapper
[09:05:25] [main/INFO] [LaunchWrapper]: Calling tweak class cpw.mods.fml.relauncher.CoreModManager$FMLPluginWrapper
[09:05:25] [main/INFO] [LaunchWrapper]: Calling tweak class cpw.mods.fml.relauncher.CoreModManager$FMLPluginWrapper
[09:05:25] [main/INFO] [LaunchWrapper]: Calling tweak class cpw.mods.fml.relauncher.CoreModManager$FMLPluginWrapper
[09:05:25] [main/INFO] [OpenMods]: openmods.config.simple.ConfigProcessor.process(ConfigProcessor.java:73): Parsing config file 'C:\Users\Silent_Darkness\AppData\Roaming\.minecraft\config\OpenModsLibCore.json'
[09:05:26] [main/INFO] [LaunchWrapper]: Calling tweak class cpw.mods.fml.relauncher.CoreModManager$FMLPluginWrapper
[09:05:26] [main/INFO] [LaunchWrapper]: Calling tweak class cpw.mods.fml.common.launcher.FMLDeobfTweaker
[09:05:26] [main/INFO] [STDOUT]: [cofh.asm.PCCAccessTransformer:readMappingFile:40]: Adding Accesstransformer map: CoFH_at.cfg
[09:05:26] [main/INFO] [STDOUT]: [cofh.asm.PCCAccessTransformer:readMappingFile:40]: Adding Accesstransformer map: CoFH_at.cfg
[09:05:26] [main/INFO] [STDOUT]: [cofh.asm.PCCAccessTransformer:readMappingFile:40]: Adding Accesstransformer map: CoFH_at.cfg
[09:05:26] [main/INFO] [LaunchWrapper]: Loading tweak class name cpw.mods.fml.common.launcher.TerminalTweaker
[09:05:26] [main/INFO] [LaunchWrapper]: Calling tweak class cpw.mods.fml.common.launcher.TerminalTweaker
[09:05:26] [main/INFO] [LaunchWrapper]: Launching wrapped minecraft {net.minecraft.client.main.Main}
[09:05:26] [main/INFO] [STDOUT]: [atomicstryker.dynamiclights.common.DLTransformer:handleWorldTransform:70]: **************** Dynamic Lights transform running on World, obf: true *********************** 
[09:05:26] [main/INFO] [STDOUT]: [atomicstryker.dynamiclights.common.DLTransformer:handleWorldTransform:83]: In target method! Patching!
[09:05:26] [main/INFO] [STDOUT]: [atomicstryker.dynamiclights.common.DLTransformer:handleWorldTransform:106]: Bytecode ISTORE 6 case!
[09:05:26] [main/INFO] [STDOUT]: [atomicstryker.dynamiclights.common.DLTransformer:handleWorldTransform:166]: Patching Complete!
[09:05:26] [main/ERROR] [LaunchWrapper]: Unable to launch
java.lang.reflect.InvocationTargetException
 at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_25]
 at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_25]
 at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_25]
 at java.lang.reflect.Method.invoke(Method.java:483) ~[?:1.8.0_25]
 at net.minecraft.launchwrapper.Launch.launch(Launch.java:135) [launchwrapper-1.11.jar:?]
 at net.minecraft.launchwrapper.Launch.main(Launch.java:28) [launchwrapper-1.11.jar:?]
Caused by: java.lang.NoClassDefFoundError: net/minecraft/world/World
 at net.minecraft.client.main.Main.main(SourceFile:72) ~[Main.class:?]
 ... 6 more
Caused by: java.lang.ClassNotFoundException: net.minecraft.world.World
 at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:191) ~[launchwrapper-1.11.jar:?]
 at java.lang.ClassLoader.loadClass(ClassLoader.java:424) ~[?:1.8.0_25]
 at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ~[?:1.8.0_25]
 at net.minecraft.client.main.Main.main(SourceFile:72) ~[Main.class:?]
 ... 6 more
Caused by: java.lang.ClassFormatError: Duplicate field name&signature in class file net/minecraft/world/World
 at java.lang.ClassLoader.defineClass1(Native Method) ~[?:1.8.0_25]
 at java.lang.ClassLoader.defineClass(ClassLoader.java:760) ~[?:1.8.0_25]
 at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142) ~[?:1.8.0_25]
 at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:182) ~[launchwrapper-1.11.jar:?]
 at java.lang.ClassLoader.loadClass(ClassLoader.java:424) ~[?:1.8.0_25]
 at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ~[?:1.8.0_25]
 at net.minecraft.client.main.Main.main(SourceFile:72) ~[Main.class:?]
 ... 6 more

I don't have 1.7.2 Optifine, so that can't be it.....also, i've seen problems with guava and gradle, but I truly have zero understanding on how to fix the problem if it has anything to do with guava or gradle.

Running Java 8 Update 31.

Try a different forge version, like recommended 1230.

Quote from zohar101»

Try a different forge version, like recommended 1230.

Tried that one. Same error.

To me it looks like something wrong with your install. Did you move across different platforms or just reinstall of the same one? (OS wise)

Quote from zohar101»

To me it looks like something wrong with your install. Did you move across different platforms or just reinstall of the same one? (OS wise)

I already thought of that, and cleared everything out, save the mod files. Still the same problems. I've been able to determine it's not Forge, at least. It's a mod causing the problem.

EDIT: And I moved stuff across platforms. But it's not Minecraft itself, and it's not Forge.


http://hastebin.com/sudirefuhi.coffee Here's the full FML log. Hopefully this will yield some clue so I don't have to sift through EVERY mod I have installed.

.

Quote from grimallq»

And we're supposed to? ...

The crash happens immediately after Dynamic Lights is loaded.

Well, not quite like that. I'm sure there's something in there that is supposed to point to exactly which mod is causing it. Thing is, i'm not any sort of experienced with Java. Most of this seems like jargon to me. So for me, personally, it's guaranteed to require me running through each mod one at a time.

Just to try something tho, I did remove Dynamic Lights from the mods folder. Same error, although there's some different lines showing before the error now.

http://hastebin.com/awokoqezeg.coffee Here's the FML-Latest-Client.log.

EDIT: When I looked this problem up on Google, I was told about something related to Forge called Gradle, and how it had to be run manually from it's folder. What's that all about?

Quote from grimallq»

Gradle is a build manager for compiling mods. Developer tool.



I don't see anything obvious here ... aside from a whole bunch of outdated mods. That error itself may show up in searches in relation to Gradle because it probably is a programming error. A mod author messed up. No indication which mod is involved (since load order theory was a bust).

Darn. Alright, i'll try to update mods where I can, and see if that fixes it.

EDIT: Updated all my mods. STILL the same. Process of elimination it is.

EDIT 2: FOUND IT. There was an extra CofHCore jar in my mods folder. Problem solved. I have to go bug the developer of the Barrels mod too, but I got it.

same problem!!! but same fix!!!! EXTRA COFHCORE!!! THANK GOD YOU'RE HERE!!!!