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  1. Minecraft: Java Edition
  2. MC-279124

Some Structures generate Vacuums

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    • Icon: Bug Bug
    • Resolution: Duplicate
    • None
    • 1.21.4
    • None
    • Unconfirmed
    • (Unassigned)

      The corridors/open spaces in some (primarily older) structures don't generate filled with air blocks but seemingly no blocks at all (i.e. a vacuum).

      Steps to Reproduce using the Mineshaft as an example

      1. Find & enter the Structure

      /locate structure minecraft:mineshaft

      2. Check the supposed Air blocks in a Mineshaft corridor

      # Using '/execute'
/execute if block ~ ~ ~ air

# Using '/fill'
/fill ~ ~ ~ ~ ~ ~ glass replace air

      3. Receive an Error Message because no Air blocks were found

      # Result of '/execute'
Test failed

# Result of '/fill'
No block were filled

      4. Optional: Place any block at the target coordinates by hand, remove it & execute the command(s) from step 2 again to receive the expected result of Air blocks being detected

      # Result of '/execute' after Block Update
Test passed

# Result of '/fill' after Block Update
Successfully filled 1 block(s)

      See the attached videos for a demonstration.

      Based on what I've tested, the game's oldest structures which haven't been (majorly) updated since seem to be affected. The bug has probably always been in the game, but I couldn't find an open bug report discussing it.

            Affected Structures             Unaffected Structures      
      • mineshaft
      • mineshaft_mesa
      • stronghold
      • dungeon
      • fortress
      • desert_pyramid
      • jungle_pyramid
      • swamp_hut
      • trial_chambers

       

        1. no_air_blocks_generated-1.mp4
          5.89 MB
        2. replace_all_air_blocks_with_glass.mp4
          5.98 MB

            Unassigned Unassigned
            E_T_31 E_T_31
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              Created:
              Updated:
              Resolved: