Searched on Google with the first line of a JAVA stack trace?

We can recommend more relevant solutions and speed up debugging when you paste your entire stack trace with the exception message. Try a sample exception.

Recommended solutions based on your search

Solutions on the web

via GitHub by alpharulesirulee
, 2 years ago
This exception has no message.
via GitHub by alpharulesirulee
, 2 years ago
This exception has no message.
via GitHub by DarkWolf204
, 2 years ago
This exception has no message.
via GitHub by Lightone
, 9 months ago
This exception has no message.
via GitHub by DPxKnightxZero
, 2 years ago
This exception has no message.
via GitHub by Super-Shot
, 1 year ago
This exception has no message.
java.lang.ClassFormatError: Duplicate method name&signature in class file net/minecraft/entity/Entity	at java.lang.ClassLoader.defineClass1(Native Method)	at java.lang.ClassLoader.defineClass(Unknown Source)	at java.security.SecureClassLoader.defineClass(Unknown Source)	at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:182)	at java.lang.ClassLoader.loadClass(Unknown Source)	at java.lang.ClassLoader.loadClass(Unknown Source)	at java.lang.ClassLoader.defineClass1(Native Method)	at java.lang.ClassLoader.defineClass(Unknown Source)	at java.security.SecureClassLoader.defineClass(Unknown Source)	at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:182)	at java.lang.ClassLoader.loadClass(Unknown Source)	at java.lang.ClassLoader.loadClass(Unknown Source)	at java.lang.ClassLoader.defineClass1(Native Method)	at java.lang.ClassLoader.defineClass(Unknown Source)	at java.security.SecureClassLoader.defineClass(Unknown Source)	at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:182)	at java.lang.ClassLoader.loadClass(Unknown Source)	at java.lang.ClassLoader.loadClass(Unknown Source)	at net.minecraft.client.main.Main.main(SourceFile:72)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)	at java.lang.reflect.Method.invoke(Unknown Source)	at net.minecraft.launchwrapper.Launch.launch(Launch.java:135)	at net.minecraft.launchwrapper.Launch.main(Launch.java:28)