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    Thrown when an application is trying to use or access an object whose reference equals to null but if you are getting no message, try using the option -XX:-OmitStackTraceInFastThrow.

Solutions on the web

via GitHub by nallar
, 10 months ago
This exception has no message.
via GitHub by nallar
, 1 year ago
This exception has no message.
via Coderanch by Josh Bern, 1 year ago
via Stack Overflow by K.B
, 3 months ago
This exception has no message.
via Stack Overflow by cheyrico2
, 10 months ago
java.lang.NullPointerException: 	at java.io.Reader.(Reader.java:78)	at java.io.InputStreamReader.(InputStreamReader.java:72)	at java.util.Scanner.(Scanner.java:563)	at me.nallar.modpatcher.MCPMappings.loadSrg(MCPMappings.java:190)	at me.nallar.modpatcher.MCPMappings.(MCPMappings.java:34)	at me.nallar.modpatcher.ModPatcherTransformer.(ModPatcherTransformer.java:29)	at me.nallar.modpatcher.ModPatcher.getDefaultPatchesDirectory(ModPatcher.java:150)	at me.nallar.modpatcher.coremod.CoreMod.injectData(CoreMod.java:55)	at net.minecraftforge.fml.relauncher.CoreModManager$FMLPluginWrapper.injectIntoClassLoader(CoreModManager.java:150)	at net.minecraft.launchwrapper.Launch.launch(Launch.java:115)	at net.minecraft.launchwrapper.Launch.main(Launch.java:28)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)	at java.lang.reflect.Method.invoke(Method.java:498)	at net.minecraftforge.fml.relauncher.ServerLaunchWrapper.run(ServerLaunchWrapper.java:62)	at net.minecraftforge.fml.relauncher.ServerLaunchWrapper.main(ServerLaunchWrapper.java:31)