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  1. Minecraft: Java Edition
  2. MC-109248

Extended piston head not removed when /setblock is used to place a different piston base.

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    • Icon: Bug Bug
    • Resolution: Fixed
    • 20w14a
    • Minecraft 1.10.2, Minecraft 16w42a, Minecraft 16w43a, Minecraft 16w44a, Minecraft 1.11 Pre-Release 1, Minecraft 1.11, Minecraft 1.11.2, Minecraft 17w18b, Minecraft 1.12 Pre-Release 1, Minecraft 1.12 Pre-Release 2, Minecraft 1.12 Pre-Release 5, Minecraft 1.12.2, Minecraft 17w45b, Minecraft 17w46a, Minecraft 17w47a, Minecraft 17w47b, Minecraft 17w48a, Minecraft 1.13-pre8, Minecraft 1.13.1, Minecraft 1.13.2, Minecraft 18w45a, Minecraft 18w46a, Minecraft 18w47a, Minecraft 18w47b, Minecraft 18w48a, Minecraft 18w48b, Minecraft 18w49a, Minecraft 18w50a, Minecraft 19w03c, Minecraft 19w04b, 1.14.4, 19w39a, 19w40a, 19w42a
    • Confirmed
    • (Unassigned)

      Found this bug with /setblock and (Sticky)pistons.
      Steps to reproduce:
      1. place a redstone block anywhere.
      2. place a temp block next to the redstone block for where your pistons are going to go.
      3. use /setblock x y z minecraft:piston[facing=up] at the temp blocks x,y,z.
      4. do step 3 again (at the same x,y,z) but change 'up' to east, west, north, south or down
      when you do this you'll end up with a piston with 5 heads destroying any one of them will destroy the whole thing.
      i was trying to use the /setblock for a 2 story maze and i ran into this, was expecting the previous piston(and piston head) to be replaced, not become a multi-headed piston. kinda broke my maze.

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            Unassigned Unassigned
            seeker3000 Sokaren
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              Created:
              Updated:
              Resolved:
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