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  1. Minecraft: Java Edition
  2. MC-252030

Overfilling command block with emoji results in chunk reset, possible crash or world corruption.

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    • Icon: Bug Bug
    • Resolution: Duplicate
    • None
    • 1.18.2, 1.19 Pre-release 1
    • None
    • openjdk version "17.0.3" 2022-04-19
      OpenJDK Runtime Environment Temurin-17.0.3+7 (build 17.0.3+7)
      OpenJDK 64-Bit Server VM Temurin-17.0.3+7 (build 17.0.3+7, mixed mode, sharing)

      Win10 Professional.
    • Unconfirmed
    • (Unassigned)

      Place down a command block.

      Open the command block UI.

      Fill the entire command block's input line with this emoji:

      And I mean COMPLETELY fill the input. Paste the same emoji over and over again. I'd paste the entire sequence here, but it makes this report exceed the 20k character limit.

       

      Save and quit from the world.

      Reload the world.

      Chunk should be reset to original world generation. World may possibly crash, as seen here: https://www.youtube.com/watch?v=C4t2avl0Dhw

      World may also be missing from the list of worlds when saving and quitting, but restarting the client seems to bring it back.

        1. CommandBlockInput.png
          570 kB
          Moleculor
        2. screenshot-1.png
          808 kB
          Moleculor
        3. SystemInfo.txt
          714 kB
          Moleculor

            Unassigned Unassigned
            moleculor Moleculor
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              Created:
              Updated:
              Resolved: