java.lang.NullPointerException: This exception has no message.

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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 Slind14
, 3 months ago
This exception has no message.
via GitHub by Slind14
, 11 months ago
This exception has no message.
via Coderanch by Josh Bern, 1 year ago
via Stack Overflow by cheyrico2
, 6 months ago
via GitHub by koppor
, 2 years ago
This exception has no message.
via Stack Overflow by RFrank
, 1 year ago
java.lang.NullPointerException:
at java.io.Reader.(Reader.java:78)
at java.io.InputStreamReader.(InputStreamReader.java:72)
at java.util.Scanner.(Scanner.java:608)
at me.nallar.modpatcher.mappings.MCPMappings.loadCsv(MCPMappings.java:255)
at me.nallar.modpatcher.mappings.MCPMappings.(MCPMappings.java:37)
at me.nallar.modpatcher.ModPatcher.(ModPatcher.java:49)
at me.nallar.modpatcher.CoreMod.injectData(CoreMod.java:27)
at net.minecraft.launchwrapper.Launch.launch(Launch.java:111)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at cpw.mods.fml.relauncher.ServerLaunchWrapper.run(ServerLaunchWrapper.java:43)
at cpw.mods.fml.relauncher.ServerLaunchWrapper.main(ServerLaunchWrapper.java:12)

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