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  1. Minecraft: Java Edition
  2. MC-121292

Error: Could not find or load main class net.minecraft.client.main.Main

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    • Icon: Bug Bug
    • Resolution: Fixed
    • Minecraft 1.12.2
    • Minecraft 1.12.2
    • None
    • Windows, Linux Mint, Debian, GalliumOS, Fedora, Ubuntu
    • Community Consensus

      I was playing minecraft for the last few days, started it this morning and everything worked. When I got back from Uni, I got this error (title) when I try to launch the game (after login in, when I press "play") .
      Also tried to install it on another machine, which is also running linux mint, and I had the exact same error:

      [17:50:57 INFO]: Job 'Version & Libraries' finished successfully (took 0:00:00.253)
[17:50:57 INFO]: Launching game
[17:50:57 INFO]: Unpacking natives to /home/mee/.minecraft/versions/1.12.2/1.12.2-natives-152321717113
[17:50:57 INFO]: Launching in /home/mee/.minecraft
[17:50:57 INFO]: Half command: /usr/lib/jvm/java-8-openjdk-amd64/jre/bin/java -Xmx1G -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:-UseAdaptiveSizePolicy -Xmn128M net.minecraft.client.main.Main
[17:50:57 INFO]: Looking for orphaned versions to clean up...
[17:50:57 INFO]: Looking for old natives & assets to clean up...
[17:50:57 ERROR]: java.io.IOException: Stream closed
[17:50:57 ERROR]: Game ended with bad state (exit code 1)
[17:50:57 INFO]: Ignoring visibility rule and showing launcher due to a game crash
[17:50:57 INFO]: Deleting /home/mee/.minecraft/versions/1.12.2/1.12.2-natives-152321717113

      If I run the development version (the last snapshot) it works! But I am playing online with my friends therefore I need to be able to play the last stable version.

        1. launcherError.png
          39 kB
          Ethan
        2. LauncherLog.txt
          17 kB
          Ryan Lawton
        3. minecraft launcher crash.png
          317 kB
          Joshua Freeman
        4. qToEUnm.png
          30 kB
          LickTheCheese
        5. Screenshot_2017-10-25_19-14-01.png
          17 kB
          Pedro Eduardo Moreira
        6. Untitled-1.jpg
          96 kB
          Rellik PanDragon

            Unassigned Unassigned
            Picard Matth
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              Created:
              Updated:
              Resolved:
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