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Minecraft Legacy Launcher errors

Hacky code to launch old Minecraft versions from the new launcher

https://github.com/Mojang/LegacyLauncher
Solution coverage:
Summary coverage:

Top patterns

  1. LaunchClassLoader.findClass() has thrown a NullPointerException
    No solution
  2. LaunchClassLoader.findClass() has thrown a ClassNotFoundException
    No solution
  3. LaunchClassLoader.findClass() has thrown a ClassNotFoundException

    This is thrown when the Java Virtual Machine (JVM) tries to load a particular class and the specified class cannot be found in the classpath. Make sure Trove library jar is added to your project's build path and you are using the latest version.

Error patternsPackagesClassesMethodsExceptions
DescriptionException TypeEntry MethodWeb pages

LaunchClassLoader.findClass() has thrown a NullPointerException

java.lang.NullPointerException
net.minecraft.launchwrapper.LaunchClassLoader.findClass
609Web pages
NullPointerExceptionLaunchClassLoader.findClass609

LaunchClassLoader.findClass() has thrown a ClassNotFoundException

java.lang.NullPointerException
1 frames hidden
net.minecraft.launchwrapper.LaunchClassLoader.findClass
606Web pages
ClassNotFoundExceptionLaunchClassLoader.findClass606

LaunchClassLoader.findClass() has thrown a ClassNotFoundException

java.lang.ClassNotFoundException
net.minecraft.launchwrapper.LaunchClassLoader.findClass
538Web pages
1Solution
ClassNotFoundExceptionLaunchClassLoader.findClass538

LaunchClassLoader.findClass() has thrown a RuntimeException

java.lang.RuntimeException
2 frames hidden
net.minecraft.launchwrapper.LaunchClassLoader.findClass
153Web pages
RuntimeExceptionLaunchClassLoader.findClass153

LaunchClassLoader.findClass() has thrown a ClassNotFoundException

java.lang.RuntimeException
3 frames hidden
net.minecraft.launchwrapper.LaunchClassLoader.findClass
149Web pages
ClassNotFoundExceptionLaunchClassLoader.findClass149

LaunchClassLoader.findClass() has thrown a Throwable

java.lang.Throwable
net.minecraft.launchwrapper.LaunchClassLoader.findClass
105Web pages
ThrowableLaunchClassLoader.findClass105

Launch.main() has thrown a ThreadGroup

java.lang.ThreadGroup
net.minecraft.launchwrapper.Launch.main
96Web pages
ThreadGroupLaunch.main96

Launch.launch() has thrown a ThreadGroup

java.lang.ThreadGroup
net.minecraft.launchwrapper.Launch.launch
96Web pages
ThreadGroupLaunch.launch96

Launch.main() has thrown an IndexOutOfBoundsException

java.lang.IndexOutOfBoundsException
19 frames hidden
net.minecraft.launchwrapper.Launch.main
77Web pages
IndexOutOfBoundsExceptionLaunch.main77

Launch.main() has thrown a ConcurrentModificationException

java.util.ConcurrentModificationException
3 frames hidden
net.minecraft.launchwrapper.Launch.main
76Web pages
ConcurrentModificationExceptionLaunch.main76

Launch.main() has thrown a NoClassDefFoundError

java.lang.NullPointerException
26 frames hidden
net.minecraft.launchwrapper.Launch.main
73Web pages
NoClassDefFoundErrorLaunch.main73

Launch.main() has thrown a Throwable

java.lang.Throwable
net.minecraft.launchwrapper.Launch.main
64Web pages
ThrowableLaunch.main64

Launch.launch() has thrown a Throwable

java.lang.Throwable
net.minecraft.launchwrapper.Launch.launch
64Web pages
ThrowableLaunch.launch64

Launch.main() has thrown an UnsupportedClassVersionError

java.lang.UnsupportedClassVersionError
22 frames hidden
net.minecraft.launchwrapper.Launch.main
60Web pages
UnsupportedClassVersionErrorLaunch.main60

LaunchClassLoader.runTransformers() has thrown an ASMTransformerWrapper$TransformerException

java.lang.RuntimeException
3 frames hidden
net.minecraft.launchwrapper.LaunchClassLoader.runTransformers
52Web pages
ASMTransformerWrapper$TransformerExceptionLaunchClassLoader.runTransformers52

Launch.main() has thrown a ClassNotFoundException

java.lang.ClassNotFoundException
13 frames hidden
net.minecraft.launchwrapper.Launch.main
49Web pages
ClassNotFoundExceptionLaunch.main49

Launch.main() has thrown a LWJGLException

org.lwjgl.LWJGLException
15 frames hidden
net.minecraft.launchwrapper.Launch.main
48Web pages
LWJGLExceptionLaunch.main48

Launch.main() has thrown a NoClassDefFoundError

java.lang.NullPointerException
18 frames hidden
net.minecraft.launchwrapper.Launch.main
46Web pages
NoClassDefFoundErrorLaunch.main46

Launch.main() has thrown a NoClassDefFoundError

java.lang.NullPointerException
26 frames hidden
net.minecraft.launchwrapper.Launch.main
39Web pages
NoClassDefFoundErrorLaunch.main39

Launch.main() has thrown a ClassNotFoundException

java.lang.ClassNotFoundException
10 frames hidden
net.minecraft.launchwrapper.Launch.main
34Web pages
ClassNotFoundExceptionLaunch.main34

Launch.main() has thrown a NoSuchMethodError

java.lang.NoSuchMethodError
8 frames hidden
net.minecraft.launchwrapper.Launch.main
33Web pages
NoSuchMethodErrorLaunch.main33

LaunchClassLoader.findClass() has thrown a ClassNotFoundException

java.lang.UnsupportedClassVersionError
5 frames hidden
net.minecraft.launchwrapper.LaunchClassLoader.findClass
32Web pages
ClassNotFoundExceptionLaunchClassLoader.findClass32

Launch.main() has thrown a FMLLaunchHandler

net.minecraftforge.fml.relauncher.FMLLaunchHandler
net.minecraft.launchwrapper.Launch.main
29Web pages
FMLLaunchHandlerLaunch.main29

Launch.launch() has thrown a FMLLaunchHandler

net.minecraftforge.fml.relauncher.FMLLaunchHandler
net.minecraft.launchwrapper.Launch.launch
29Web pages
FMLLaunchHandlerLaunch.launch29

Launch.main() has thrown an IllegalArgumentException

java.lang.IllegalArgumentException
13 frames hidden
net.minecraft.launchwrapper.Launch.main
26Web pages
IllegalArgumentExceptionLaunch.main26

LaunchClassLoader.findClass() has thrown a FMLLaunchHandler

net.minecraftforge.fml.relauncher.FMLLaunchHandler
net.minecraft.launchwrapper.LaunchClassLoader.findClass
25Web pages
FMLLaunchHandlerLaunchClassLoader.findClass25

LaunchClassLoader.findClass() has thrown a ClassNotFoundException

java.lang.UnsupportedClassVersionError
4 frames hidden
net.minecraft.launchwrapper.LaunchClassLoader.findClass
25Web pages
ClassNotFoundExceptionLaunchClassLoader.findClass25

LaunchClassLoader.findClass() has thrown an ASMTransformerWrapper$TransformerException

java.lang.RuntimeException
4 frames hidden
net.minecraft.launchwrapper.LaunchClassLoader.findClass
25Web pages
ASMTransformerWrapper$TransformerExceptionLaunchClassLoader.findClass25

Launch.main() has thrown a ConcurrentModificationException

java.util.ConcurrentModificationException
13 frames hidden
net.minecraft.launchwrapper.Launch.main
24Web pages
ConcurrentModificationExceptionLaunch.main24

Launch.main() has thrown a NullPointerException

java.lang.NullPointerException
16 frames hidden
net.minecraft.launchwrapper.Launch.main
23Web pages
NullPointerExceptionLaunch.main23

Launch.main() has thrown a VerifyError

java.lang.VerifyError
8 frames hidden
net.minecraft.launchwrapper.Launch.main
23Web pages
VerifyErrorLaunch.main23

Launch.main() has thrown a ClassNotFoundException

java.lang.ClassNotFoundException
17 frames hidden
net.minecraft.launchwrapper.Launch.main
22Web pages
ClassNotFoundExceptionLaunch.main22

LaunchClassLoader.findClass() has thrown a ThreadGroup

java.lang.ThreadGroup
net.minecraft.launchwrapper.LaunchClassLoader.findClass
21Web pages
ThreadGroupLaunchClassLoader.findClass21

Launch.main() has thrown an IndexOutOfBoundsException

java.lang.IndexOutOfBoundsException
18 frames hidden
net.minecraft.launchwrapper.Launch.main
21Web pages
IndexOutOfBoundsExceptionLaunch.main21

LaunchClassLoader.findClass() has thrown a ClassNotFoundException

java.lang.ClassFormatError
4 frames hidden
net.minecraft.launchwrapper.LaunchClassLoader.findClass
21Web pages
ClassNotFoundExceptionLaunchClassLoader.findClass21

LaunchClassLoader.registerTransformer() has thrown a ClassNotFoundException

java.lang.NullPointerException
4 frames hidden
net.minecraft.launchwrapper.LaunchClassLoader.registerTransformer
20Web pages
ClassNotFoundExceptionLaunchClassLoader.registerTransformer20

LaunchClassLoader.findClass() has thrown a ClassNotFoundException

java.lang.RuntimeException
5 frames hidden
net.minecraft.launchwrapper.LaunchClassLoader.findClass
20Web pages
ClassNotFoundExceptionLaunchClassLoader.findClass20

Launch.main() has thrown a LoaderException

java.lang.ClassNotFoundException
47 frames hidden
net.minecraft.launchwrapper.Launch.main
19Web pages
LoaderExceptionLaunch.main19

Launch.launch() has thrown a Throwable$WrappedPrintStream

java.lang.Throwable$WrappedPrintStream
net.minecraft.launchwrapper.Launch.launch
18Web pages
Throwable$WrappedPrintStreamLaunch.launch18

LaunchClassLoader.findClass() has thrown a ClassNotFoundException

java.lang.NullPointerException
4 frames hidden
net.minecraft.launchwrapper.LaunchClassLoader.findClass
18Web pages
ClassNotFoundExceptionLaunchClassLoader.findClass18

Launch.main() has thrown a Throwable$WrappedPrintStream

java.lang.Throwable$WrappedPrintStream
net.minecraft.launchwrapper.Launch.main
17Web pages
Throwable$WrappedPrintStreamLaunch.main17

LaunchClassLoader.runTransformers() has thrown a MixinTransformer

org.spongepowered.asm.mixin.transformer.MixinTransformer
net.minecraft.launchwrapper.LaunchClassLoader.runTransformers
17Web pages
MixinTransformerLaunchClassLoader.runTransformers17

Launch.main() has thrown a MixinTransformer

org.spongepowered.asm.mixin.transformer.MixinTransformer
net.minecraft.launchwrapper.Launch.main
17Web pages
MixinTransformerLaunch.main17

Launch.launch() has thrown a MixinTransformer

org.spongepowered.asm.mixin.transformer.MixinTransformer
net.minecraft.launchwrapper.Launch.launch
17Web pages
MixinTransformerLaunch.launch17

LaunchClassLoader.findClass() has thrown a MixinTransformer

org.spongepowered.asm.mixin.transformer.MixinTransformer
net.minecraft.launchwrapper.LaunchClassLoader.findClass
17Web pages
MixinTransformerLaunchClassLoader.findClass17

Launch.main() has thrown a ModelLoaderRegistry$LoaderException

net.minecraft.client.renderer.block.model.ModelBlockDefinition$MissingVariantException
17 frames hidden
net.minecraft.launchwrapper.Launch.main
17Web pages
ModelLoaderRegistry$LoaderExceptionLaunch.main17

LaunchClassLoader.findClass() has thrown a ClassNotFoundException

java.lang.NullPointerException
6 frames hidden
net.minecraft.launchwrapper.LaunchClassLoader.findClass
16Web pages
ClassNotFoundExceptionLaunchClassLoader.findClass16

Launch.main() has thrown a ModelLoaderRegistry$LoaderException

net.minecraft.client.renderer.block.model.ModelBlockDefinition$MissingVariantException
18 frames hidden
net.minecraft.launchwrapper.Launch.main
15Web pages
ModelLoaderRegistry$LoaderExceptionLaunch.main15

LaunchClassLoader.findClass() has thrown a ClassNotFoundException

java.lang.IncompatibleClassChangeError
4 frames hidden
net.minecraft.launchwrapper.LaunchClassLoader.findClass
15Web pages
ClassNotFoundExceptionLaunchClassLoader.findClass15

Launch.main() has thrown a NoClassDefFoundError

java.lang.ClassNotFoundException
43 frames hidden
net.minecraft.launchwrapper.Launch.main
14Web pages
NoClassDefFoundErrorLaunch.main14
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