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  1. Minecraft: Java Edition
  2. MC-53

Run-time exception on start up (java.lang.NoClassDefFoundError: org/lwjgl/LWJGLException)

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    • Icon: Bug Bug
    • Resolution: Invalid
    • None
    • Minecraft 1.4.1
    • None
    • Minecraft 1.4.1 pre
      Windows XP pro SP3
      Java version "1.7.0_09"
      Java(TM) SE Runtime Environment (build 1.7.0_09-b05)
      Java HotSpot(TM) Client VM (build 23.5-b02, mixed mode, sharing)
    • Unconfirmed

      ***NOTE: normal minecraft runs just fine..

      Exception in thread "main" java.lang.NoClassDefFoundError: org/lwjgl/LWJGLExcept
      ion
              at java.lang.Class.getDeclaredMethods0(Native Method)
              at java.lang.Class.privateGetDeclaredMethods(Unknown Source)
              at java.lang.Class.getMethod0(Unknown Source)
              at java.lang.Class.getMethod(Unknown Source)
              at sun.launcher.LauncherHelper.getMainMethod(Unknown Source)
              at sun.launcher.LauncherHelper.checkAndLoadMain(Unknown Source)
      Caused by: java.lang.ClassNotFoundException: org.lwjgl.LWJGLException
              at java.net.URLClassLoader$1.run(Unknown Source)
              at java.net.URLClassLoader$1.run(Unknown Source)
              at java.security.AccessController.doPrivileged(Native Method)
              at java.net.URLClassLoader.findClass(Unknown Source)
              at java.lang.ClassLoader.loadClass(Unknown Source)
              at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
              at java.lang.ClassLoader.loadClass(Unknown Source)
              ... 6 more
      

            Unassigned Unassigned
            yoshisisland Neubert Pascal
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              Created:
              Updated:
              Resolved: