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Currently supported: All versions

Minecraft forge launcher crashes

DiamondHunter Zero
in Support & Bug Reports

Featured Replies

Posted

When trying to load 1.8 with the latest version of forge, even without mods, causes the game to crash without even starting the loader. My launcher has the new "non-java launcher update" message and even on the new minecraft launcher, it still crashes. Output reads:

 

[12:33:45] [main/INFO] [LaunchWrapper]: Loading tweak class name net.minecraftforge.fml.common.launcher.FMLTweaker

[12:33:45] [main/INFO] [LaunchWrapper]: Using primary tweak class name net.minecraftforge.fml.common.launcher.FMLTweaker

[12:33:45] [main/INFO] [LaunchWrapper]: Calling tweak class net.minecraftforge.fml.common.launcher.FMLTweaker

[12:33:45] [main/INFO] [FML]: Forge Mod Loader version 11.14.3.1513 for Minecraft 1.8 loading

[12:33:45] [main/INFO] [FML]: Java is Java HotSpot 64-Bit Server VM, version 1.6.0_65, running on Mac OS X:x86_64:10.10.4, installed at /System/Library/Java/JavaVirtualMachines/1.6.0.jdk/Contents/Home

[12:33:45] [main/INFO] [sTDERR]: [java.lang.Throwable:printStackTrace:461]: java.lang.NoClassDefFoundError: cpw/mods/fml/relauncher/IFMLLoadingPlugin

[12:33:45] [main/INFO] [sTDERR]: [java.lang.Throwable:printStackTrace:464]: at java.lang.ClassLoader.defineClass1(Native Method)

[12:33:45] [main/INFO] [sTDERR]: [java.lang.Throwable:printStackTrace:464]: at java.lang.ClassLoader.defineClassCond(ClassLoader.java:637)

[12:33:45] [main/INFO] [sTDERR]: [java.lang.Throwable:printStackTrace:464]: at java.lang.ClassLoader.defineClass(ClassLoader.java:621)

[12:33:45] [main/INFO] [sTDERR]: [java.lang.Throwable:printStackTrace:464]: at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:141)

[12:33:45] [main/INFO] [sTDERR]: [java.lang.Throwable:printStackTrace:464]: at java.net.URLClassLoader.defineClass(URLClassLoader.java:283)

[12:33:45] [main/INFO] [sTDERR]: [java.lang.Throwable:printStackTrace:464]: at java.net.URLClassLoader.access$000(URLClassLoader.java:58)

[12:33:45] [main/INFO] [sTDERR]: [java.lang.Throwable:printStackTrace:464]: at java.net.URLClassLoader$1.run(URLClassLoader.java:197)

[12:33:45] [main/INFO] [sTDERR]: [java.lang.Throwable:printStackTrace:464]: at java.security.AccessController.doPrivileged(Native Method)

[12:33:45] [main/INFO] [sTDERR]: [java.lang.Throwable:printStackTrace:464]: at java.net.URLClassLoader.findClass(URLClassLoader.java:190)

[12:33:45] [main/INFO] [sTDERR]: [java.lang.Throwable:printStackTrace:464]: at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:117)

[12:33:45] [main/INFO] [sTDERR]: [java.lang.Throwable:printStackTrace:464]: at java.lang.ClassLoader.loadClass(ClassLoader.java:306)

[12:33:45] [main/INFO] [sTDERR]: [java.lang.Throwable:printStackTrace:464]: at java.lang.ClassLoader.loadClass(ClassLoader.java:247)

[12:33:45] [main/INFO] [sTDERR]: [java.lang.Throwable:printStackTrace:464]: at java.lang.Class.forName0(Native Method)

[12:33:45] [main/INFO] [sTDERR]: [java.lang.Throwable:printStackTrace:464]: at java.lang.Class.forName(Class.java:249)

[12:33:45] [main/INFO] [sTDERR]: [java.lang.Throwable:printStackTrace:464]: at net.minecraftforge.fml.relauncher.CoreModManager.loadCoreMod(CoreModManager.java:485)

[12:33:45] [main/INFO] [sTDERR]: [java.lang.Throwable:printStackTrace:464]: at net.minecraftforge.fml.relauncher.CoreModManager.discoverCoreMods(CoreModManager.java:409)

[12:33:45] [main/INFO] [sTDERR]: [java.lang.Throwable:printStackTrace:464]: at net.minecraftforge.fml.relauncher.CoreModManager.handleLaunch(CoreModManager.java:241)

[12:33:45] [main/INFO] [sTDERR]: [java.lang.Throwable:printStackTrace:464]: at net.minecraftforge.fml.relauncher.FMLLaunchHandler.setupHome(FMLLaunchHandler.java:90)

[12:33:45] [main/INFO] [sTDERR]: [java.lang.Throwable:printStackTrace:464]: at net.minecraftforge.fml.relauncher.FMLLaunchHandler.setupClient(FMLLaunchHandler.java:67)

[12:33:45] [main/INFO] [sTDERR]: [java.lang.Throwable:printStackTrace:464]: at net.minecraftforge.fml.relauncher.FMLLaunchHandler.configureForClientLaunch(FMLLaunchHandler.java:34)

[12:33:45] [main/INFO] [sTDERR]: [java.lang.Throwable:printStackTrace:464]: at net.minecraftforge.fml.common.launcher.FMLTweaker.injectIntoClassLoader(FMLTweaker.java:126)

[12:33:45] [main/INFO] [sTDERR]: [java.lang.Throwable:printStackTrace:464]: at net.minecraft.launchwrapper.Launch.launch(Launch.java:115)

[12:33:45] [main/INFO] [sTDERR]: [java.lang.Throwable:printStackTrace:464]: at net.minecraft.launchwrapper.Launch.main(Launch.java:28)

[12:33:45] [main/INFO] [sTDERR]: [java.lang.Throwable:printStackTraceAsCause:488]: Caused by: java.lang.ClassNotFoundException: cpw.mods.fml.relauncher.IFMLLoadingPlugin

[12:33:45] [main/INFO] [sTDERR]: [java.lang.Throwable:printStackTraceAsCause:490]: at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:191)

[12:33:45] [main/INFO] [sTDERR]: [java.lang.Throwable:printStackTraceAsCause:490]: at java.lang.ClassLoader.loadClass(ClassLoader.java:306)

[12:33:45] [main/INFO] [sTDERR]: [java.lang.Throwable:printStackTraceAsCause:490]: at java.lang.ClassLoader.loadClass(ClassLoader.java:247)

[12:33:45] [main/INFO] [sTDERR]: [java.lang.Throwable:printStackTraceAsCause:492]: ... 23 more

[12:33:45] [main/INFO] [sTDERR]: [java.lang.Throwable:printStackTraceAsCause:488]: Caused by: java.lang.NullPointerException

[12:33:45] [main/INFO] [sTDERR]: [java.lang.Throwable:printStackTraceAsCause:490]: at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:182)

[12:33:45] [main/INFO] [sTDERR]: [java.lang.Throwable:printStackTraceAsCause:492]: ... 25 more

[12:33:45] [main/ERROR] [FML]: An error occurred trying to configure the minecraft home at /Users/Ethannear/Library/Application Support/minecraft for Forge Mod Loader

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

at java.lang.ClassLoader.defineClass1(Native Method) ~[?:1.6.0_65]

at java.lang.ClassLoader.defineClassCond(ClassLoader.java:637) ~[?:1.6.0_65]

at java.lang.ClassLoader.defineClass(ClassLoader.java:621) ~[?:1.6.0_65]

at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:141) ~[?:1.6.0_65]

at java.net.URLClassLoader.defineClass(URLClassLoader.java:283) ~[?:1.6.0_65]

at java.net.URLClassLoader.access$000(URLClassLoader.java:58) ~[?:1.6.0_65]

at java.net.URLClassLoader$1.run(URLClassLoader.java:197) ~[?:1.6.0_65]

at java.security.AccessController.doPrivileged(Native Method) ~[?:1.6.0_65]

at java.net.URLClassLoader.findClass(URLClassLoader.java:190) ~[?:1.6.0_65]

at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:117) ~[launchwrapper-1.12.jar:?]

at java.lang.ClassLoader.loadClass(ClassLoader.java:306) ~[?:1.6.0_65]

at java.lang.ClassLoader.loadClass(ClassLoader.java:247) ~[?:1.6.0_65]

at java.lang.Class.forName0(Native Method) ~[?:1.6.0_65]

at java.lang.Class.forName(Class.java:249) ~[?:1.6.0_65]

at net.minecraftforge.fml.relauncher.CoreModManager.loadCoreMod(CoreModManager.java:485) ~[forge-1.8-11.14.3.1513.jar:?]

at net.minecraftforge.fml.relauncher.CoreModManager.discoverCoreMods(CoreModManager.java:409) ~[forge-1.8-11.14.3.1513.jar:?]

at net.minecraftforge.fml.relauncher.CoreModManager.handleLaunch(CoreModManager.java:241) ~[forge-1.8-11.14.3.1513.jar:?]

at net.minecraftforge.fml.relauncher.FMLLaunchHandler.setupHome(FMLLaunchHandler.java:90) [forge-1.8-11.14.3.1513.jar:?]

at net.minecraftforge.fml.relauncher.FMLLaunchHandler.setupClient(FMLLaunchHandler.java:67) [forge-1.8-11.14.3.1513.jar:?]

at net.minecraftforge.fml.relauncher.FMLLaunchHandler.configureForClientLaunch(FMLLaunchHandler.java:34) [forge-1.8-11.14.3.1513.jar:?]

at net.minecraftforge.fml.common.launcher.FMLTweaker.injectIntoClassLoader(FMLTweaker.java:126) [forge-1.8-11.14.3.1513.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:306) ~[?:1.6.0_65]

at java.lang.ClassLoader.loadClass(ClassLoader.java:247) ~[?:1.6.0_65]

... 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:306) ~[?:1.6.0_65]

at java.lang.ClassLoader.loadClass(ClassLoader.java:247) ~[?:1.6.0_65]

... 23 more

Exception in thread "main" [12:33:45] [main/INFO] [sTDERR]: [java.lang.Throwable:printStackTrace:461]: java.lang.NoClassDefFoundError: cpw/mods/fml/relauncher/IFMLLoadingPlugin

[12:33:45] [main/INFO] [sTDERR]: [java.lang.Throwable:printStackTrace:464]: at java.lang.ClassLoader.defineClass1(Native Method)

[12:33:45] [main/INFO] [sTDERR]: [java.lang.Throwable:printStackTrace:464]: at java.lang.ClassLoader.defineClassCond(ClassLoader.java:637)

[12:33:45] [main/INFO] [sTDERR]: [java.lang.Throwable:printStackTrace:464]: at java.lang.ClassLoader.defineClass(ClassLoader.java:621)

[12:33:45] [main/INFO] [sTDERR]: [java.lang.Throwable:printStackTrace:464]: at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:141)

[12:33:45] [main/INFO] [sTDERR]: [java.lang.Throwable:printStackTrace:464]: at java.net.URLClassLoader.defineClass(URLClassLoader.java:283)

[12:33:45] [main/INFO] [sTDERR]: [java.lang.Throwable:printStackTrace:464]: at java.net.URLClassLoader.access$000(URLClassLoader.java:58)

[12:33:45] [main/INFO] [sTDERR]: [java.lang.Throwable:printStackTrace:464]: at java.net.URLClassLoader$1.run(URLClassLoader.java:197)

[12:33:45] [main/INFO] [sTDERR]: [java.lang.Throwable:printStackTrace:464]: at java.security.AccessController.doPrivileged(Native Method)

[12:33:45] [main/INFO] [sTDERR]: [java.lang.Throwable:printStackTrace:464]: at java.net.URLClassLoader.findClass(URLClassLoader.java:190)

[12:33:45] [main/INFO] [sTDERR]: [java.lang.Throwable:printStackTrace:464]: at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:117)

[12:33:45] [main/INFO] [sTDERR]: [java.lang.Throwable:printStackTrace:464]: at java.lang.ClassLoader.loadClass(ClassLoader.java:306)

[12:33:45] [main/INFO] [sTDERR]: [java.lang.Throwable:printStackTrace:464]: at java.lang.ClassLoader.loadClass(ClassLoader.java:247)

[12:33:45] [main/INFO] [sTDERR]: [java.lang.Throwable:printStackTrace:464]: at java.lang.Class.forName0(Native Method)

[12:33:45] [main/INFO] [sTDERR]: [java.lang.Throwable:printStackTrace:464]: at java.lang.Class.forName(Class.java:249)

[12:33:45] [main/INFO] [sTDERR]: [java.lang.Throwable:printStackTrace:464]: at net.minecraftforge.fml.relauncher.CoreModManager.loadCoreMod(CoreModManager.java:485)

[12:33:45] [main/INFO] [sTDERR]: [java.lang.Throwable:printStackTrace:464]: at net.minecraftforge.fml.relauncher.CoreModManager.discoverCoreMods(CoreModManager.java:409)

[12:33:45] [main/INFO] [sTDERR]: [java.lang.Throwable:printStackTrace:464]: at net.minecraftforge.fml.relauncher.CoreModManager.handleLaunch(CoreModManager.java:241)

[12:33:45] [main/INFO] [sTDERR]: [java.lang.Throwable:printStackTrace:464]: at net.minecraftforge.fml.relauncher.FMLLaunchHandler.setupHome(FMLLaunchHandler.java:90)

[12:33:45] [main/INFO] [sTDERR]: [java.lang.Throwable:printStackTrace:464]: at net.minecraftforge.fml.relauncher.FMLLaunchHandler.setupClient(FMLLaunchHandler.java:67)

[12:33:45] [main/INFO] [sTDERR]: [java.lang.Throwable:printStackTrace:464]: at net.minecraftforge.fml.relauncher.FMLLaunchHandler.configureForClientLaunch(FMLLaunchHandler.java:34)

[12:33:45] [main/INFO] [sTDERR]: [java.lang.Throwable:printStackTrace:464]: at net.minecraftforge.fml.common.launcher.FMLTweaker.injectIntoClassLoader(FMLTweaker.java:126)

[12:33:45] [main/INFO] [sTDERR]: [java.lang.Throwable:printStackTrace:464]: at net.minecraft.launchwrapper.Launch.launch(Launch.java:115)

[12:33:45] [main/INFO] [sTDERR]: [java.lang.Throwable:printStackTrace:464]: at net.minecraft.launchwrapper.Launch.main(Launch.java:28)

[12:33:45] [main/INFO] [sTDERR]: [java.lang.Throwable:printStackTraceAsCause:488]: Caused by: java.lang.ClassNotFoundException: cpw.mods.fml.relauncher.IFMLLoadingPlugin

[12:33:45] [main/INFO] [sTDERR]: [java.lang.Throwable:printStackTraceAsCause:490]: at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:191)

[12:33:45] [main/INFO] [sTDERR]: [java.lang.Throwable:printStackTraceAsCause:490]: at java.lang.ClassLoader.loadClass(ClassLoader.java:306)

[12:33:45] [main/INFO] [sTDERR]: [java.lang.Throwable:printStackTraceAsCause:490]: at java.lang.ClassLoader.loadClass(ClassLoader.java:247)

[12:33:45] [main/INFO] [sTDERR]: [java.lang.Throwable:printStackTraceAsCause:492]: ... 23 more

[12:33:45] [main/INFO] [sTDERR]: [java.lang.Throwable:printStackTraceAsCause:488]: Caused by: java.lang.NullPointerException

[12:33:45] [main/INFO] [sTDERR]: [java.lang.Throwable:printStackTraceAsCause:490]: at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:182)

[12:33:45] [main/INFO] [sTDERR]: [java.lang.Throwable:printStackTraceAsCause:492]: ... 25 more

 

What's the issue? The launcher, Game of Forge?

 

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