Uploaded image for project: 'Minecraft Launcher'
  1. Minecraft Launcher
  2. MCL-412

OS X: Exception in thread "main" java.lang.NoClassDefFoundError: net/minecraft/client/main/Main

XMLWordPrintable

    • Icon: Bug Bug
    • Resolution: Fixed
    • 0.9.1
    • 0.9
    • None
    • None
    • Mac OS X 10.8.4
      Apple Java version 1.6.0_45
    • Community Consensus

      Upgraded to 0.9 Dev Launcher after using 0.8.whateverTheLastVersionWas. Minecraft does not launch. Edited default profile to force it to use a version of Minecraft that I know had been downloaded by the previous version of Dev Launcher, and that shows a status of "Up to date" in the Version Selection area of the GUI. Still will not launch. Service status shows "Online, no problems" for both Multiplayer and Login. Attempting to run Minecraft results in...

      Client> Exception in thread "main" java.lang.NoClassDefFoundError: net/minecraft/client/main/Main
Client> Caused by: java.lang.ClassNotFoundException: net.minecraft.client.main.Main
Client> 	at java.net.URLClassLoader$1.run(URLClassLoader.java:202)
Client> 	at java.security.AccessController.doPrivileged(Native Method)
Client> 	at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
Client> 	at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
Client> 	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
Client> 	at java.lang.ClassLoader.loadClass(ClassLoader.java:247)
Game ended with bad state (exit code 1)

        1. error.png
          37 kB
          Damien Vesper
        2. devlauncher0.9noworky.png
          149 kB
          Dirk van den Brink, Jr.

            Unassigned Unassigned
            Dirkus411 Dirk van den Brink, Jr.
            Votes:
            8 Vote for this issue
            Watchers:
            3 Start watching this issue

              Created:
              Updated:
              Resolved:
              CHK: