java.lang.NoClassDefFoundError: net/minecraftforge/fml/relauncher/IFMLLoadingPlugin

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 Herocraftgm
, 10 months ago
net/minecraftforge/fml/relauncher/IFMLLoadingPlugin
via GitHub by crakiMDH
, 1 year ago
net/minecraftforge/fml/relauncher/IFMLLoadingPlugin
via GitHub by KuronoaYoshiaki
, 2 years ago
net/minecraftforge/fml/relauncher/IFMLLoadingPlugin
via GitHub by grimnik
, 1 year ago
net/minecraftforge/fml/relauncher/IFMLLoadingPlugin
java.lang.NoClassDefFoundError: net/minecraftforge/fml/relauncher/IFMLLoadingPlugin
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:760)
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:455)
at java.net.URLClassLoader.access$100(URLClassLoader.java:73)
at java.net.URLClassLoader$1.run(URLClassLoader.java:367)
at java.net.URLClassLoader$1.run(URLClassLoader.java:361)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:360)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:344)
at cpw.mods.fml.relauncher.CoreModManager.loadCoreMod(CoreModManager.java:460)
at cpw.mods.fml.relauncher.CoreModManager.discoverCoreMods(CoreModManager.java:389)
at cpw.mods.fml.relauncher.CoreModManager.handleLaunch(CoreModManager.java:221)
at cpw.mods.fml.relauncher.FMLLaunchHandler.setupHome(FMLLaunchHandler.java:90)
at cpw.mods.fml.relauncher.FMLLaunchHandler.setupClient(FMLLaunchHandler.java:67)
at cpw.mods.fml.common.launcher.FMLTweaker.injectIntoClassLoader(FMLTweaker.java:126)
at net.minecraft.launchwrapper.Launch.launch(Launch.java:115)

Users with the same issue

Samebug visitor profile picture
Unknown user
2 times, 1 year ago
Samebug visitor profile picture
Unknown user
Once, 1 year ago
Samebug visitor profile picture
Unknown user
Once, 1 year ago
Samebug visitor profile picture
Unknown user
Once, 1 year ago
Samebug visitor profile picture
Unknown user
2 times, 1 year ago
121 more bugmates

Know the solutions? Share your knowledge to help other developers to debug faster.