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  1. Minecraft Launcher
  2. MCL-412

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

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    Details

    • Type: Bug
    • Status: Resolved
    • Resolution: Fixed
    • Affects Version/s: 0.9
    • Fix Version/s: 0.9.1
    • Environment:

      Mac OS X 10.8.4
      Apple Java version 1.6.0_45

    • Confirmation Status:
      Community Consensus

      Description

      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)
      

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

                Dates

                • Created:
                  Updated:
                  Resolved:
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