Minecraft Forge 1.8 crashes at startup - Java Edition Support - Support - Minecraft Forum

#1 Jun 2, 2015

criscore98

Out of the Water
Join Date: 6/2/2015
Posts: 2
Member Details

I've tried reinstalling forge but still crashes (1.7.10 forge worked anyway, my only problem is the 1.8 forge)

Here's the log:

[06:24:46] [main/INFO] [LaunchWrapper]: Loading tweak class name net.minecraftforge.fml.common.launcher.FMLTweaker
[06:24:46] [main/INFO] [LaunchWrapper]: Using primary tweak class name net.minecraftforge.fml.common.launcher.FMLTweaker
[06:24:46] [main/INFO] [LaunchWrapper]: Calling tweak class net.minecraftforge.fml.common.launcher.FMLTweaker
[06:24:46] [main/INFO] [FML]: Forge Mod Loader version 8.0.37.1332 for Minecraft 1.8 loading
[06:24:46] [main/INFO] [FML]: Java is Java HotSpot(TM) 64-Bit Server VM, version 1.8.0_45, running on Windows 8.1:amd64:6.3, installed at C:\Program Files\Java\jre1.8.0_45
[06:24:47] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: java.lang.NoClassDefFoundError: cpw/mods/fml/relauncher/IFMLLoadingPlugin
[06:24:47] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at java.lang.ClassLoader.defineClass1(Native Method)
[06:24:47] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at java.lang.ClassLoader.defineClass(Unknown Source)
[06:24:47] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at java.security.SecureClassLoader.defineClass(Unknown Source)
[06:24:47] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at java.net.URLClassLoader.defineClass(Unknown Source)
[06:24:47] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at java.net.URLClassLoader.access$100(Unknown Source)
[06:24:47] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at java.net.URLClassLoader$1.run(Unknown Source)
[06:24:47] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at java.net.URLClassLoader$1.run(Unknown Source)
[06:24:47] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at java.security.AccessController.doPrivileged(Native Method)
[06:24:47] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at java.net.URLClassLoader.findClass(Unknown Source)
[06:24:47] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:117)
[06:24:47] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at java.lang.ClassLoader.loadClass(Unknown Source)
[06:24:47] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at java.lang.ClassLoader.loadClass(Unknown Source)
[06:24:47] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at java.lang.Class.forName0(Native Method)
[06:24:47] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at java.lang.Class.forName(Unknown Source)
[06:24:47] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at net.minecraftforge.fml.relauncher.CoreModManager.loadCoreMod(CoreModManager.java:447)
[06:24:47] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at net.minecraftforge.fml.relauncher.CoreModManager.discoverCoreMods(CoreModManager.java:371)
[06:24:47] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at net.minecraftforge.fml.relauncher.CoreModManager.handleLaunch(CoreModManager.java:239)
[06:24:47] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at net.minecraftforge.fml.relauncher.FMLLaunchHandler.setupHome(FMLLaunchHandler.java:90)
[06:24:47] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at net.minecraftforge.fml.relauncher.FMLLaunchHandler.setupClient(FMLLaunchHandler.java:67)
[06:24:47] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at net.minecraftforge.fml.relauncher.FMLLaunchHandler.configureForClientLaunch(FMLLaunchHandler.java:34)
[06:24:47] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at net.minecraftforge.fml.common.launcher.FMLTweaker.injectIntoClassLoader(FMLTweaker.java:125)
[06:24:47] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at net.minecraft.launchwrapper.Launch.launch(Launch.java:115)
[06:24:47] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at net.minecraft.launchwrapper.Launch.main(Launch.java:28)
[06:24:47] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: Caused by: java.lang.ClassNotFoundException: cpw.mods.fml.relauncher.IFMLLoadingPlugin
[06:24:47] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:191)
[06:24:47] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at java.lang.ClassLoader.loadClass(Unknown Source)
[06:24:47] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at java.lang.ClassLoader.loadClass(Unknown Source)
[06:24:47] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: ... 23 more
[06:24:47] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: Caused by: java.lang.NullPointerException
[06:24:47] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:182)
[06:24:47] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: ... 25 more
[06:24:47] [main/ERROR] [FML]: An error occurred trying to configure the minecraft home at C:\Users\Chris\AppData\Roaming\.minecraft for Forge Mod Loader
java.lang.NoClassDefFoundError: cpw/mods/fml/relauncher/IFMLLoadingPlugin
at java.lang.ClassLoader.defineClass1(Native Method) ~[?:1.8.0_45]
at java.lang.ClassLoader.defineClass(Unknown Source) ~[?:1.8.0_45]
at java.security.SecureClassLoader.defineClass(Unknown Source) ~[?:1.8.0_45]
at java.net.URLClassLoader.defineClass(Unknown Source) ~[?:1.8.0_45]
at java.net.URLClassLoader.access$100(Unknown Source) ~[?:1.8.0_45]
at java.net.URLClassLoader$1.run(Unknown Source) ~[?:1.8.0_45]
at java.net.URLClassLoader$1.run(Unknown Source) ~[?:1.8.0_45]
at java.security.AccessController.doPrivileged(Native Method) ~[?:1.8.0_45]
at java.net.URLClassLoader.findClass(Unknown Source) ~[?:1.8.0_45]
at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:117) ~[launchwrapper-1.11.jar:?]
at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.8.0_45]
at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.8.0_45]
at java.lang.Class.forName0(Native Method) ~[?:1.8.0_45]
at java.lang.Class.forName(Unknown Source) ~[?:1.8.0_45]
at net.minecraftforge.fml.relauncher.CoreModManager.loadCoreMod(CoreModManager.java:447) ~[forge-1.8-11.14.1.1332.jar:?]
at net.minecraftforge.fml.relauncher.CoreModManager.discoverCoreMods(CoreModManager.java:371) ~[forge-1.8-11.14.1.1332.jar:?]
at net.minecraftforge.fml.relauncher.CoreModManager.handleLaunch(CoreModManager.java:239) ~[forge-1.8-11.14.1.1332.jar:?]
at net.minecraftforge.fml.relauncher.FMLLaunchHandler.setupHome(FMLLaunchHandler.java:90) [forge-1.8-11.14.1.1332.jar:?]
at net.minecraftforge.fml.relauncher.FMLLaunchHandler.setupClient(FMLLaunchHandler.java:67) [forge-1.8-11.14.1.1332.jar:?]
at net.minecraftforge.fml.relauncher.FMLLaunchHandler.configureForClientLaunch(FMLLaunchHandler.java:34) [forge-1.8-11.14.1.1332.jar:?]
at net.minecraftforge.fml.common.launcher.FMLTweaker.injectIntoClassLoader(FMLTweaker.java:125) [forge-1.8-11.14.1.1332.jar:?]
at net.minecraft.launchwrapper.Launch.launch(Launch.java:115) [launchwrapper-1.11.jar:?]
at net.minecraft.launchwrapper.Launch.main(Launch.java:28) [launchwrapper-1.11.jar:?]
Caused by: java.lang.ClassNotFoundException: cpw.mods.fml.relauncher.IFMLLoadingPlugin
at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:191) ~[launchwrapper-1.11.jar:?]
at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.8.0_45]
at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.8.0_45]
... 23 more
Caused by: java.lang.NullPointerException
at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:182) ~[launchwrapper-1.11.jar:?]
at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.8.0_45]
at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.8.0_45]
... 23 more
Exception in thread "main" [06:24:47] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: java.lang.NoClassDefFoundError: cpw/mods/fml/relauncher/IFMLLoadingPlugin
[06:24:47] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at java.lang.ClassLoader.defineClass1(Native Method)
[06:24:47] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at java.lang.ClassLoader.defineClass(Unknown Source)
[06:24:47] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at java.security.SecureClassLoader.defineClass(Unknown Source)
[06:24:47] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at java.net.URLClassLoader.defineClass(Unknown Source)
[06:24:47] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at java.net.URLClassLoader.access$100(Unknown Source)
[06:24:47] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at java.net.URLClassLoader$1.run(Unknown Source)
[06:24:47] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at java.net.URLClassLoader$1.run(Unknown Source)
[06:24:47] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at java.security.AccessController.doPrivileged(Native Method)
[06:24:47] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at java.net.URLClassLoader.findClass(Unknown Source)
[06:24:47] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:117)
[06:24:47] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at java.lang.ClassLoader.loadClass(Unknown Source)
[06:24:47] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at java.lang.ClassLoader.loadClass(Unknown Source)
[06:24:47] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at java.lang.Class.forName0(Native Method)
[06:24:47] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at java.lang.Class.forName(Unknown Source)
[06:24:47] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at net.minecraftforge.fml.relauncher.CoreModManager.loadCoreMod(CoreModManager.java:447)
[06:24:47] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at net.minecraftforge.fml.relauncher.CoreModManager.discoverCoreMods(CoreModManager.java:371)
[06:24:47] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at net.minecraftforge.fml.relauncher.CoreModManager.handleLaunch(CoreModManager.java:239)
[06:24:47] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at net.minecraftforge.fml.relauncher.FMLLaunchHandler.setupHome(FMLLaunchHandler.java:90)
[06:24:47] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at net.minecraftforge.fml.relauncher.FMLLaunchHandler.setupClient(FMLLaunchHandler.java:67)
[06:24:47] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at net.minecraftforge.fml.relauncher.FMLLaunchHandler.configureForClientLaunch(FMLLaunchHandler.java:34)
[06:24:47] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at net.minecraftforge.fml.common.launcher.FMLTweaker.injectIntoClassLoader(FMLTweaker.java:125)
[06:24:47] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at net.minecraft.launchwrapper.Launch.launch(Launch.java:115)
[06:24:47] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at net.minecraft.launchwrapper.Launch.main(Launch.java:28)
[06:24:47] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: Caused by: java.lang.ClassNotFoundException: cpw.mods.fml.relauncher.IFMLLoadingPlugin
[06:24:47] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:191)
[06:24:47] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at java.lang.ClassLoader.loadClass(Unknown Source)
[06:24:47] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at java.lang.ClassLoader.loadClass(Unknown Source)
[06:24:47] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: ... 23 more
[06:24:47] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: Caused by: java.lang.NullPointerException
[06:24:47] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:182)
[06:24:47] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: ... 25 more

#3 Jun 3, 2015

criscore98

Out of the Water
Join Date: 6/2/2015
Posts: 2
Member Details

Well that solved my problem (and I actually forgot about the mods I thought I uninstalled them :D)

Thank you very much!!!