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  1. Minecraft: Java Edition
  2. MC-248764

Some worldgen datapacks can kill the internal server (possibly related to density functions)

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Details

    • Bug
    • Status: Resolved
    • Resolution: Fixed
    • 1.18.2 Pre-release 2
    • None
    • Confirmed
    • Crash, Custom Worlds
    • Important

    Description

      The Bug

      Certain worldgen datapack configurations can cause the internal server to stop ticking. I've been unable to figure out the exact cause, and reproducing the issue reliably was very difficult until I found a specific combination of location and configuration that would always crash.

      Expected Behavior

      The server should continue ticking

       

      Steps to reproduce

      1. Download the attacked datapack Cool Bug Fact's.zip and install it onto a world at world creation.
      2. Run the command /tp 179101 87 -38353
      3. Observe that the server hangs within a few seconds and stops ticking.

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            Unassigned Unassigned
            Starmute Starmute
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            Dates

              Created:
              Updated:
              Resolved:
              CHK: