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Samebug tips

  1. ,
    Expert tip

    A few things cause this exception:
    1) Check if you have all jars and if they're in the correct path.
    2) Your classpath might be broken, you can define it in the command line with java -cp yourClassPath or at your IDE if you're using one.

  2. ,

    you can change your scala version to 2.11.11

Solutions on the web

via GitHub by tilly1709
, 2 years ago
via GitHub by UnvoicedTiger6
, 2 years ago
via by Unknown author, 2 years ago
java.lang.ClassNotFoundException: cpw.mods.fml.common.launcher.FMLTweaker at$[?:1.8.0_25] at$[?:1.8.0_25] at Method)[?:1.8.0_25] at[?:1.8.0_25] at java.lang.ClassLoader.loadClass([?:1.8.0_25] at sun.misc.Launcher$AppClassLoader.loadClass([?:1.8.0_25] at java.lang.ClassLoader.loadClass([?:1.8.0_25] at net.minecraft.launchwrapper.LaunchClassLoader.findClass([launchwrapper-1.12.jar:?] at java.lang.ClassLoader.loadClass([?:1.8.0_25] at java.lang.ClassLoader.loadClass([?:1.8.0_25] at java.lang.Class.forName0(Native Method)[?:1.8.0_25] at java.lang.Class.forName([?:1.8.0_25] at net.minecraft.launchwrapper.Launch.launch([launchwrapper-1.12.jar:?] at net.minecraft.launchwrapper.Launch.main([launchwrapper-1.12.jar:?]