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Currently supported: All versions

Minecraft cannot start after installing forge. [SOLVED]

yShen
in Support & Bug Reports

Featured Replies

Posted

Hello, i am having problems with Forge.

Tried all the 1.11 versions of Forge.

Tried tons of Java versions

Tried Restarting computer

Tried reinstalling Minecraft

Tried other versions besides 1.11 ones

I don't have optifine

Tried all methods of installation.

 

Error message:

2017-01-08 17:25:50,355 WARN Unable to instantiate org.fusesource.jansi.WindowsAnsiOutputStream

2017-01-08 17:25:50,359 WARN Unable to instantiate org.fusesource.jansi.WindowsAnsiOutputStream

[17:25:53] [main/INFO] [LaunchWrapper]: Loading tweak class name net.minecraftforge.fml.common.launcher.FMLTweaker

[17:25:57] [main/INFO] [LaunchWrapper]: Using primary tweak class name net.minecraftforge.fml.common.launcher.FMLTweaker

[17:25:57] [main/INFO] [LaunchWrapper]: Calling tweak class net.minecraftforge.fml.common.launcher.FMLTweaker

[17:25:58] [main/INFO] [FML]: Forge Mod Loader version 13.19.1.2189 for Minecraft 1.11 loading

[17:25:58] [main/INFO] [FML]: Java is Java HotSpot 64-Bit Server VM, version 1.8.0_25, running on Windows 8.1:amd64:6.3, installed at C:\Program Files (x86)\Minecraft\runtime\jre-x64\1.8.0_25

[17:26:01] [main/INFO] [sTDERR]: [net.minecraftforge.fml.relauncher.FMLLaunchHandler:setupHome:106]: java.lang.NoClassDefFoundError: cpw/mods/fml/relauncher/IFMLLoadingPlugin

[17:26:01] [main/INFO] [sTDERR]: [net.minecraftforge.fml.relauncher.FMLLaunchHandler:setupHome:106]: at java.lang.ClassLoader.defineClass1(Native Method)

[17:26:01] [main/INFO] [sTDERR]: [net.minecraftforge.fml.relauncher.FMLLaunchHandler:setupHome:106]: at java.lang.ClassLoader.defineClass(ClassLoader.java:760)

[17:26:01] [main/INFO] [sTDERR]: [net.minecraftforge.fml.relauncher.FMLLaunchHandler:setupHome:106]: at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)

[17:26:01] [main/INFO] [sTDERR]: [net.minecraftforge.fml.relauncher.FMLLaunchHandler:setupHome:106]: at java.net.URLClassLoader.defineClass(URLClassLoader.java:455)

[17:26:01] [main/INFO] [sTDERR]: [net.minecraftforge.fml.relauncher.FMLLaunchHandler:setupHome:106]: at java.net.URLClassLoader.access$100(URLClassLoader.java:73)

[17:26:01] [main/INFO] [sTDERR]: [net.minecraftforge.fml.relauncher.FMLLaunchHandler:setupHome:106]: at java.net.URLClassLoader$1.run(URLClassLoader.java:367)

[17:26:01] [main/INFO] [sTDERR]: [net.minecraftforge.fml.relauncher.FMLLaunchHandler:setupHome:106]: at java.net.URLClassLoader$1.run(URLClassLoader.java:361)

[17:26:01] [main/INFO] [sTDERR]: [net.minecraftforge.fml.relauncher.FMLLaunchHandler:setupHome:106]: at java.security.AccessController.doPrivileged(Native Method)

[17:26:01] [main/INFO] [sTDERR]: [net.minecraftforge.fml.relauncher.FMLLaunchHandler:setupHome:106]: at java.net.URLClassLoader.findClass(URLClassLoader.java:360)

[17:26:01] [main/INFO] [sTDERR]: [net.minecraftforge.fml.relauncher.FMLLaunchHandler:setupHome:106]: at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:117)

[17:26:01] [main/INFO] [sTDERR]: [net.minecraftforge.fml.relauncher.FMLLaunchHandler:setupHome:106]: at java.lang.ClassLoader.loadClass(ClassLoader.java:424)

[17:26:01] [main/INFO] [sTDERR]: [net.minecraftforge.fml.relauncher.FMLLaunchHandler:setupHome:106]: at java.lang.ClassLoader.loadClass(ClassLoader.java:357)

[17:26:01] [main/INFO] [sTDERR]: [net.minecraftforge.fml.relauncher.FMLLaunchHandler:setupHome:106]: at java.lang.Class.forName0(Native Method)

[17:26:01] [main/INFO] [sTDERR]: [net.minecraftforge.fml.relauncher.FMLLaunchHandler:setupHome:106]: at java.lang.Class.forName(Class.java:344)

[17:26:01] [main/INFO] [sTDERR]: [net.minecraftforge.fml.relauncher.FMLLaunchHandler:setupHome:106]: at net.minecraftforge.fml.relauncher.CoreModManager.loadCoreMod(CoreModManager.java:552)

[17:26:01] [main/INFO] [sTDERR]: [net.minecraftforge.fml.relauncher.FMLLaunchHandler:setupHome:106]: at net.minecraftforge.fml.relauncher.CoreModManager.discoverCoreMods(CoreModManager.java:423)

[17:26:01] [main/INFO] [sTDERR]: [net.minecraftforge.fml.relauncher.FMLLaunchHandler:setupHome:106]: at net.minecraftforge.fml.relauncher.CoreModManager.handleLaunch(CoreModManager.java:253)

[17:26:01] [main/INFO] [sTDERR]: [net.minecraftforge.fml.relauncher.FMLLaunchHandler:setupHome:106]: at net.minecraftforge.fml.relauncher.FMLLaunchHandler.setupHome(FMLLaunchHandler.java:102)

[17:26:01] [main/INFO] [sTDERR]: [net.minecraftforge.fml.relauncher.FMLLaunchHandler:setupHome:106]: at net.minecraftforge.fml.relauncher.FMLLaunchHandler.setupClient(FMLLaunchHandler.java:79)

[17:26:01] [main/INFO] [sTDERR]: [net.minecraftforge.fml.relauncher.FMLLaunchHandler:setupHome:106]: at net.minecraftforge.fml.relauncher.FMLLaunchHandler.configureForClientLaunch(FMLLaunchHandler.java:41)

[17:26:01] [main/INFO] [sTDERR]: [net.minecraftforge.fml.relauncher.FMLLaunchHandler:setupHome:106]: at net.minecraftforge.fml.common.launcher.FMLTweaker.injectIntoClassLoader(FMLTweaker.java:138)

[17:26:01] [main/INFO] [sTDERR]: [net.minecraftforge.fml.relauncher.FMLLaunchHandler:setupHome:106]: at net.minecraft.launchwrapper.Launch.launch(Launch.java:115)

[17:26:01] [main/INFO] [sTDERR]: [net.minecraftforge.fml.relauncher.FMLLaunchHandler:setupHome:106]: at net.minecraft.launchwrapper.Launch.main(Launch.java:28)

[17:26:01] [main/INFO] [sTDERR]: [java.lang.Throwable:printStackTrace:634]: Caused by: java.lang.ClassNotFoundException: cpw.mods.fml.relauncher.IFMLLoadingPlugin

[17:26:01] [main/INFO] [sTDERR]: [java.lang.Throwable:printStackTrace:634]: at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:191)

[17:26:01] [main/INFO] [sTDERR]: [java.lang.Throwable:printStackTrace:634]: at java.lang.ClassLoader.loadClass(ClassLoader.java:424)

[17:26:01] [main/INFO] [sTDERR]: [java.lang.Throwable:printStackTrace:634]: at java.lang.ClassLoader.loadClass(ClassLoader.java:357)

[17:26:01] [main/INFO] [sTDERR]: [java.lang.Throwable:printStackTrace:634]: ... 23 more

[17:26:01] [main/INFO] [sTDERR]: [java.lang.Throwable:printStackTrace:643]: Caused by: java.lang.NullPointerException

[17:26:01] [main/INFO] [sTDERR]: [java.lang.Throwable:printStackTrace:643]: at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:182)

[17:26:01] [main/INFO] [sTDERR]: [java.lang.Throwable:printStackTrace:643]: ... 25 more

[17:26:01] [main/ERROR] [FML]: An error occurred trying to configure the minecraft home at C:\Users\Guilherme\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_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 java.net.URLClassLoader.defineClass(URLClassLoader.java:455) ~[?:1.8.0_25]

at java.net.URLClassLoader.access$100(URLClassLoader.java:73) ~[?:1.8.0_25]

at java.net.URLClassLoader$1.run(URLClassLoader.java:367) ~[?:1.8.0_25]

at java.net.URLClassLoader$1.run(URLClassLoader.java:361) ~[?:1.8.0_25]

at java.security.AccessController.doPrivileged(Native Method) ~[?:1.8.0_25]

at java.net.URLClassLoader.findClass(URLClassLoader.java:360) ~[?:1.8.0_25]

at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:117) ~[launchwrapper-1.12.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 java.lang.Class.forName0(Native Method) ~[?:1.8.0_25]

at java.lang.Class.forName(Class.java:344) ~[?:1.8.0_25]

at net.minecraftforge.fml.relauncher.CoreModManager.loadCoreMod(CoreModManager.java:552) ~[forge-1.11-13.19.1.2189.jar:?]

at net.minecraftforge.fml.relauncher.CoreModManager.discoverCoreMods(CoreModManager.java:423) ~[forge-1.11-13.19.1.2189.jar:?]

at net.minecraftforge.fml.relauncher.CoreModManager.handleLaunch(CoreModManager.java:253) ~[forge-1.11-13.19.1.2189.jar:?]

at net.minecraftforge.fml.relauncher.FMLLaunchHandler.setupHome(FMLLaunchHandler.java:102) [forge-1.11-13.19.1.2189.jar:?]

at net.minecraftforge.fml.relauncher.FMLLaunchHandler.setupClient(FMLLaunchHandler.java:79) [forge-1.11-13.19.1.2189.jar:?]

at net.minecraftforge.fml.relauncher.FMLLaunchHandler.configureForClientLaunch(FMLLaunchHandler.java:41) [forge-1.11-13.19.1.2189.jar:?]

at net.minecraftforge.fml.common.launcher.FMLTweaker.injectIntoClassLoader(FMLTweaker.java:138) [forge-1.11-13.19.1.2189.jar:?]

at net.minecraft.launchwrapper.Launch.launch(Launch.java:115) [launchwrapper-1.12.jar:?]

at net.minecraft.launchwrapper.Launch.main(Launch.java:28) [launchwrapper-1.12.jar:?]

Caused by: java.lang.ClassNotFoundException: cpw.mods.fml.relauncher.IFMLLoadingPlugin

at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:191) ~[launchwrapper-1.12.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]

... 23 more

Caused by: java.lang.NullPointerException

at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:182) ~[launchwrapper-1.12.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]

... 23 more

Exception in thread "main" [17:26:01] [main/INFO] [sTDERR]: [java.lang.ThreadGroup:uncaughtException:1052]: java.lang.NoClassDefFoundError: cpw/mods/fml/relauncher/IFMLLoadingPlugin

[17:26:01] [main/INFO] [sTDERR]: [java.lang.ThreadGroup:uncaughtException:1052]: at java.lang.ClassLoader.defineClass1(Native Method)

[17:26:01] [main/INFO] [sTDERR]: [java.lang.ThreadGroup:uncaughtException:1052]: at java.lang.ClassLoader.defineClass(ClassLoader.java:760)

[17:26:01] [main/INFO] [sTDERR]: [java.lang.ThreadGroup:uncaughtException:1052]: at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)

[17:26:01] [main/INFO] [sTDERR]: [java.lang.ThreadGroup:uncaughtException:1052]: at java.net.URLClassLoader.defineClass(URLClassLoader.java:455)

[17:26:01] [main/INFO] [sTDERR]: [java.lang.ThreadGroup:uncaughtException:1052]: at java.net.URLClassLoader.access$100(URLClassLoader.java:73)

[17:26:01] [main/INFO] [sTDERR]: [java.lang.ThreadGroup:uncaughtException:1052]: at java.net.URLClassLoader$1.run(URLClassLoader.java:367)

[17:26:01] [main/INFO] [sTDERR]: [java.lang.ThreadGroup:uncaughtException:1052]: at java.net.URLClassLoader$1.run(URLClassLoader.java:361)

[17:26:01] [main/INFO] [sTDERR]: [java.lang.ThreadGroup:uncaughtException:1052]: at java.security.AccessController.doPrivileged(Native Method)

[17:26:01] [main/INFO] [sTDERR]: [java.lang.ThreadGroup:uncaughtException:1052]: at java.net.URLClassLoader.findClass(URLClassLoader.java:360)

[17:26:01] [main/INFO] [sTDERR]: [java.lang.ThreadGroup:uncaughtException:1052]: at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:117)

[17:26:01] [main/INFO] [sTDERR]: [java.lang.ThreadGroup:uncaughtException:1052]: at java.lang.ClassLoader.loadClass(ClassLoader.java:424)

[17:26:02] [main/INFO] [sTDERR]: [java.lang.ThreadGroup:uncaughtException:1052]: at java.lang.ClassLoader.loadClass(ClassLoader.java:357)

[17:26:02] [main/INFO] [sTDERR]: [java.lang.ThreadGroup:uncaughtException:1052]: at java.lang.Class.forName0(Native Method)

[17:26:02] [main/INFO] [sTDERR]: [java.lang.ThreadGroup:uncaughtException:1052]: at java.lang.Class.forName(Class.java:344)

[17:26:02] [main/INFO] [sTDERR]: [java.lang.ThreadGroup:uncaughtException:1052]: at net.minecraftforge.fml.relauncher.CoreModManager.loadCoreMod(CoreModManager.java:552)

[17:26:02] [main/INFO] [sTDERR]: [java.lang.ThreadGroup:uncaughtException:1052]: at net.minecraftforge.fml.relauncher.CoreModManager.discoverCoreMods(CoreModManager.java:423)

[17:26:02] [main/INFO] [sTDERR]: [java.lang.ThreadGroup:uncaughtException:1052]: at net.minecraftforge.fml.relauncher.CoreModManager.handleLaunch(CoreModManager.java:253)

[17:26:02] [main/INFO] [sTDERR]: [java.lang.ThreadGroup:uncaughtException:1052]: at net.minecraftforge.fml.relauncher.FMLLaunchHandler.setupHome(FMLLaunchHandler.java:102)

[17:26:02] [main/INFO] [sTDERR]: [java.lang.ThreadGroup:uncaughtException:1052]: at net.minecraftforge.fml.relauncher.FMLLaunchHandler.setupClient(FMLLaunchHandler.java:79)

[17:26:02] [main/INFO] [sTDERR]: [java.lang.ThreadGroup:uncaughtException:1052]: at net.minecraftforge.fml.relauncher.FMLLaunchHandler.configureForClientLaunch(FMLLaunchHandler.java:41)

[17:26:02] [main/INFO] [sTDERR]: [java.lang.ThreadGroup:uncaughtException:1052]: at net.minecraftforge.fml.common.launcher.FMLTweaker.injectIntoClassLoader(FMLTweaker.java:138)

[17:26:02] [main/INFO] [sTDERR]: [java.lang.ThreadGroup:uncaughtException:1052]: at net.minecraft.launchwrapper.Launch.launch(Launch.java:115)

[17:26:02] [main/INFO] [sTDERR]: [java.lang.ThreadGroup:uncaughtException:1052]: at net.minecraft.launchwrapper.Launch.main(Launch.java:28)

[17:26:02] [main/INFO] [sTDERR]: [java.lang.ThreadGroup:uncaughtException:1061]: Caused by: java.lang.ClassNotFoundException: cpw.mods.fml.relauncher.IFMLLoadingPlugin

[17:26:02] [main/INFO] [sTDERR]: [java.lang.ThreadGroup:uncaughtException:1061]: at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:191)

[17:26:02] [main/INFO] [sTDERR]: [java.lang.ThreadGroup:uncaughtException:1061]: at java.lang.ClassLoader.loadClass(ClassLoader.java:424)

[17:26:02] [main/INFO] [sTDERR]: [java.lang.ThreadGroup:uncaughtException:1061]: at java.lang.ClassLoader.loadClass(ClassLoader.java:357)

[17:26:02] [main/INFO] [sTDERR]: [java.lang.ThreadGroup:uncaughtException:1061]: ... 23 more

[17:26:02] [main/INFO] [sTDERR]: [java.lang.Throwable:printStackTrace:643]: Caused by: java.lang.NullPointerException

[17:26:02] [main/INFO] [sTDERR]: [java.lang.Throwable:printStackTrace:643]: at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:182)

[17:26:02] [main/INFO] [sTDERR]: [java.lang.Throwable:printStackTrace:643]: ... 25 more

 

Thanks in advance.

  • Quote
    • Author

    You installed a mod for 1.7.10 or earlier.

    Oops, forgot to mention that, i have no mods installed.
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