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Forge 1.8 can't start

mcraftersg
in Support & Bug Reports

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Posted

Whenever i try to start my forge profile using the forge 1.8 latest version, minecraft can't start. Here's the error log:

[21:32:25] [main/INFO] [LaunchWrapper]: Loading tweak class name net.minecraftforge.fml.common.launcher.FMLTweaker

[21:32:25] [main/INFO] [LaunchWrapper]: Using primary tweak class name net.minecraftforge.fml.common.launcher.FMLTweaker

[21:32:25] [main/INFO] [LaunchWrapper]: Calling tweak class net.minecraftforge.fml.common.launcher.FMLTweaker

[21:32:25] [main/INFO] [FML]: Forge Mod Loader version 8.0.12.1252 for Minecraft 1.8 loading

[21:32:25] [main/INFO] [FML]: Java is Java HotSpot 64-Bit Server VM, version 1.7.0_71, running on Windows 8.1:amd64:6.3, installed at C:\Program Files\Java\jre7

[21:32:25] [main/INFO] [sTDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: java.lang.NoClassDefFoundError: cpw/mods/fml/relauncher/IFMLLoadingPlugin

[21:32:25] [main/INFO] [sTDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at java.lang.ClassLoader.defineClass1(Native Method)

[21:32:25] [main/INFO] [sTDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at java.lang.ClassLoader.defineClass(Unknown Source)

[21:32:25] [main/INFO] [sTDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at java.security.SecureClassLoader.defineClass(Unknown Source)

[21:32:25] [main/INFO] [sTDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at java.net.URLClassLoader.defineClass(Unknown Source)

[21:32:25] [main/INFO] [sTDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at java.net.URLClassLoader.access$100(Unknown Source)

[21:32:25] [main/INFO] [sTDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at java.net.URLClassLoader$1.run(Unknown Source)

[21:32:25] [main/INFO] [sTDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at java.net.URLClassLoader$1.run(Unknown Source)

[21:32:25] [main/INFO] [sTDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at java.security.AccessController.doPrivileged(Native Method)

[21:32:25] [main/INFO] [sTDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at java.net.URLClassLoader.findClass(Unknown Source)

[21:32:25] [main/INFO] [sTDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:117)

[21:32:25] [main/INFO] [sTDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at java.lang.ClassLoader.loadClass(Unknown Source)

[21:32:25] [main/INFO] [sTDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at java.lang.ClassLoader.loadClass(Unknown Source)

[21:32:25] [main/INFO] [sTDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at java.lang.Class.forName0(Native Method)

[21:32:25] [main/INFO] [sTDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at java.lang.Class.forName(Unknown Source)

[21:32:25] [main/INFO] [sTDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at net.minecraftforge.fml.relauncher.CoreModManager.loadCoreMod(CoreModManager.java:420)

[21:32:25] [main/INFO] [sTDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at net.minecraftforge.fml.relauncher.CoreModManager.discoverCoreMods(CoreModManager.java:349)

[21:32:25] [main/INFO] [sTDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at net.minecraftforge.fml.relauncher.CoreModManager.handleLaunch(CoreModManager.java:217)

[21:32:25] [main/INFO] [sTDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at net.minecraftforge.fml.relauncher.FMLLaunchHandler.setupHome(FMLLaunchHandler.java:90)

[21:32:25] [main/INFO] [sTDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at net.minecraftforge.fml.relauncher.FMLLaunchHandler.setupClient(FMLLaunchHandler.java:67)

[21:32:25] [main/INFO] [sTDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at net.minecraftforge.fml.relauncher.FMLLaunchHandler.configureForClientLaunch(FMLLaunchHandler.java:34)

[21:32:25] [main/INFO] [sTDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at net.minecraftforge.fml.common.launcher.FMLTweaker.injectIntoClassLoader(FMLTweaker.java:125)

[21:32:25] [main/INFO] [sTDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at net.minecraft.launchwrapper.Launch.launch(Launch.java:115)

[21:32:25] [main/INFO] [sTDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at net.minecraft.launchwrapper.Launch.main(Launch.java:28)

[21:32:25] [main/INFO] [sTDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: Caused by: java.lang.ClassNotFoundException: cpw.mods.fml.relauncher.IFMLLoadingPlugin

[21:32:25] [main/INFO] [sTDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:191)

[21:32:25] [main/INFO] [sTDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at java.lang.ClassLoader.loadClass(Unknown Source)

[21:32:25] [main/INFO] [sTDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at java.lang.ClassLoader.loadClass(Unknown Source)

[21:32:25] [main/INFO] [sTDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: ... 23 more

[21:32:25] [main/INFO] [sTDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: Caused by: java.lang.NullPointerException

[21:32:25] [main/INFO] [sTDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:182)

[21:32:25] [main/INFO] [sTDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: ... 25 more

[21:32:25] [main/ERROR] [FML]: An error occurred trying to configure the minecraft home at C:\Users\Mark\AppData\Roaming\.minecraft for Forge Mod Loader

java.lang.NoClassDefFoundError: cpw/mods/fml/relauncher/IFMLLoadingPlugin

at java.lang.ClassLoader.defineClass1(Native Method) ~[?:1.7.0_71]

at java.lang.ClassLoader.defineClass(Unknown Source) ~[?:1.7.0_71]

at java.security.SecureClassLoader.defineClass(Unknown Source) ~[?:1.7.0_71]

at java.net.URLClassLoader.defineClass(Unknown Source) ~[?:1.7.0_71]

at java.net.URLClassLoader.access$100(Unknown Source) ~[?:1.7.0_71]

at java.net.URLClassLoader$1.run(Unknown Source) ~[?:1.7.0_71]

at java.net.URLClassLoader$1.run(Unknown Source) ~[?:1.7.0_71]

at java.security.AccessController.doPrivileged(Native Method) ~[?:1.7.0_71]

at java.net.URLClassLoader.findClass(Unknown Source) ~[?:1.7.0_71]

at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:117) ~[launchwrapper-1.11.jar:?]

at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.7.0_71]

at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.7.0_71]

at java.lang.Class.forName0(Native Method) ~[?:1.7.0_71]

at java.lang.Class.forName(Unknown Source) ~[?:1.7.0_71]

at net.minecraftforge.fml.relauncher.CoreModManager.loadCoreMod(CoreModManager.java:420) ~[forge-1.8-11.14.0.1252-1.8.jar:?]

at net.minecraftforge.fml.relauncher.CoreModManager.discoverCoreMods(CoreModManager.java:349) ~[forge-1.8-11.14.0.1252-1.8.jar:?]

at net.minecraftforge.fml.relauncher.CoreModManager.handleLaunch(CoreModManager.java:217) ~[forge-1.8-11.14.0.1252-1.8.jar:?]

at net.minecraftforge.fml.relauncher.FMLLaunchHandler.setupHome(FMLLaunchHandler.java:90) [forge-1.8-11.14.0.1252-1.8.jar:?]

at net.minecraftforge.fml.relauncher.FMLLaunchHandler.setupClient(FMLLaunchHandler.java:67) [forge-1.8-11.14.0.1252-1.8.jar:?]

at net.minecraftforge.fml.relauncher.FMLLaunchHandler.configureForClientLaunch(FMLLaunchHandler.java:34) [forge-1.8-11.14.0.1252-1.8.jar:?]

at net.minecraftforge.fml.common.launcher.FMLTweaker.injectIntoClassLoader(FMLTweaker.java:125) [forge-1.8-11.14.0.1252-1.8.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) ~[?:1.7.0_71]

at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.7.0_71]

... 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) ~[?:1.7.0_71]

at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.7.0_71]

... 23 more

Exception in thread "main" [21:32:25] [main/INFO] [sTDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: java.lang.NoClassDefFoundError: cpw/mods/fml/relauncher/IFMLLoadingPlugin

[21:32:25] [main/INFO] [sTDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at java.lang.ClassLoader.defineClass1(Native Method)

[21:32:25] [main/INFO] [sTDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at java.lang.ClassLoader.defineClass(Unknown Source)

[21:32:25] [main/INFO] [sTDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at java.security.SecureClassLoader.defineClass(Unknown Source)

[21:32:25] [main/INFO] [sTDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at java.net.URLClassLoader.defineClass(Unknown Source)

[21:32:25] [main/INFO] [sTDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at java.net.URLClassLoader.access$100(Unknown Source)

[21:32:25] [main/INFO] [sTDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at java.net.URLClassLoader$1.run(Unknown Source)

[21:32:25] [main/INFO] [sTDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at java.net.URLClassLoader$1.run(Unknown Source)

[21:32:25] [main/INFO] [sTDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at java.security.AccessController.doPrivileged(Native Method)

[21:32:25] [main/INFO] [sTDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at java.net.URLClassLoader.findClass(Unknown Source)

[21:32:25] [main/INFO] [sTDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:117)

[21:32:25] [main/INFO] [sTDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at java.lang.ClassLoader.loadClass(Unknown Source)

[21:32:25] [main/INFO] [sTDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at java.lang.ClassLoader.loadClass(Unknown Source)

[21:32:25] [main/INFO] [sTDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at java.lang.Class.forName0(Native Method)

[21:32:25] [main/INFO] [sTDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at java.lang.Class.forName(Unknown Source)

[21:32:25] [main/INFO] [sTDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at net.minecraftforge.fml.relauncher.CoreModManager.loadCoreMod(CoreModManager.java:420)

[21:32:25] [main/INFO] [sTDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at net.minecraftforge.fml.relauncher.CoreModManager.discoverCoreMods(CoreModManager.java:349)

[21:32:25] [main/INFO] [sTDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at net.minecraftforge.fml.relauncher.CoreModManager.handleLaunch(CoreModManager.java:217)

[21:32:25] [main/INFO] [sTDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at net.minecraftforge.fml.relauncher.FMLLaunchHandler.setupHome(FMLLaunchHandler.java:90)

[21:32:25] [main/INFO] [sTDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at net.minecraftforge.fml.relauncher.FMLLaunchHandler.setupClient(FMLLaunchHandler.java:67)

[21:32:25] [main/INFO] [sTDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at net.minecraftforge.fml.relauncher.FMLLaunchHandler.configureForClientLaunch(FMLLaunchHandler.java:34)

[21:32:25] [main/INFO] [sTDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at net.minecraftforge.fml.common.launcher.FMLTweaker.injectIntoClassLoader(FMLTweaker.java:125)

[21:32:25] [main/INFO] [sTDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at net.minecraft.launchwrapper.Launch.launch(Launch.java:115)

[21:32:25] [main/INFO] [sTDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at net.minecraft.launchwrapper.Launch.main(Launch.java:28)

[21:32:25] [main/INFO] [sTDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: Caused by: java.lang.ClassNotFoundException: cpw.mods.fml.relauncher.IFMLLoadingPlugin

[21:32:25] [main/INFO] [sTDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:191)

[21:32:25] [main/INFO] [sTDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at java.lang.ClassLoader.loadClass(Unknown Source)

[21:32:25] [main/INFO] [sTDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at java.lang.ClassLoader.loadClass(Unknown Source)

[21:32:25] [main/INFO] [sTDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: ... 23 more

[21:32:25] [main/INFO] [sTDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: Caused by: java.lang.NullPointerException

[21:32:25] [main/INFO] [sTDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:182)

[21:32:25] [main/INFO] [sTDERR]: [java.lang.Throwable$WrappedPrintStream:println:-1]: ... 25 more

 

Anyone know how to fix this?

Thx in advance :D

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    you have a coiremod in your mods folder that isnt for 1.8

    I do Forge for free, however the servers to run it arn't free, so anything is appreciated.
    Consider supporting the team on Patreon

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