java.lang.ClassNotFoundException: cpw.mods.fml.common.launcher.FMLTweaker

feed-the-beast.com | 7 days ago
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Root Cause Analysis

  1. java.lang.ClassNotFoundException

    cpw.mods.fml.common.launcher.FMLTweaker

    at java.net.URLClassLoader$1.run()
  2. Java RT
    ClassLoader.loadClass
    1. java.net.URLClassLoader$1.run(URLClassLoader.java:372)[?:1.8.0_25]
    2. java.net.URLClassLoader$1.run(URLClassLoader.java:361)[?:1.8.0_25]
    3. java.security.AccessController.doPrivileged(Native Method)[?:1.8.0_25]
    4. java.net.URLClassLoader.findClass(URLClassLoader.java:360)[?:1.8.0_25]
    5. java.lang.ClassLoader.loadClass(ClassLoader.java:424)[?:1.8.0_25]
    6. sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)[?:1.8.0_25]
    7. java.lang.ClassLoader.loadClass(ClassLoader.java:357)[?:1.8.0_25]
    7 frames
  3. Minecraft
    LaunchClassLoader.findClass
    1. net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:106)[launchwrapper-1.12.jar:?]
    1 frame
  4. Java RT
    Class.forName
    1. java.lang.ClassLoader.loadClass(ClassLoader.java:424)[?:1.8.0_25]
    2. java.lang.ClassLoader.loadClass(ClassLoader.java:357)[?:1.8.0_25]
    3. java.lang.Class.forName0(Native Method)[?:1.8.0_25]
    4. java.lang.Class.forName(Class.java:344)[?:1.8.0_25]
    4 frames
  5. Minecraft
    Launch.main
    1. net.minecraft.launchwrapper.Launch.launch(Launch.java:98)[launchwrapper-1.12.jar:?]
    2. net.minecraft.launchwrapper.Launch.main(Launch.java:28)[launchwrapper-1.12.jar:?]
    2 frames