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  1. Minecraft: Java Edition
  2. MC-2023

Minecart rails break when moved with a block under certain conditions

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    • Icon: Bug Bug
    • Resolution: Unresolved
    • None
    • Minecraft 1.4.3, Minecraft 1.4.7, Snapshot 13w03a, Snapshot 13w04a, Snapshot 13w09b, Minecraft 1.5, Minecraft 1.6.2, Minecraft 1.6.4, Minecraft 1.7.4, Minecraft 14w02c, Minecraft 14w03a, Minecraft 14w03b, Minecraft 14w25b, Minecraft 1.8.1-pre3, Minecraft 15w44b, Minecraft 15w45a, Minecraft 1.10.1, Minecraft 1.10.2, Minecraft 16w32a, Minecraft 16w32b, Minecraft 16w33a, Minecraft 16w35a, Minecraft 16w40a, Minecraft 16w41a, Minecraft 16w43a, Minecraft 16w44a, Minecraft 1.11 Pre-Release 1, Minecraft 1.11.2, Minecraft 1.12.1, Minecraft 17w48a, Minecraft 1.13, Minecraft 18w30b, Minecraft 18w31a, Minecraft 18w32a, Minecraft 18w33a, Minecraft 1.13.1, Minecraft 1.13.2-pre2, Minecraft 1.13.2, Minecraft 18w48a, Minecraft 18w48b, Minecraft 18w49a, Minecraft 18w50a, Minecraft 19w02a, Minecraft 19w03a, Minecraft 19w03b, Minecraft 19w03c, Minecraft 19w04a, Minecraft 19w04b, Minecraft 19w05a, Minecraft 19w06a, Minecraft 19w07a, Minecraft 19w08b, Minecraft 19w09a, Minecraft 19w11a, Minecraft 19w11b, Minecraft 19w12a, Minecraft 19w12b, Minecraft 19w13a, Minecraft 19w13b, Minecraft 19w14a, Minecraft 19w14b, Minecraft 1.14 Pre-Release 1, Minecraft 1.14 Pre-Release 2, Minecraft 1.14 Pre-Release 3, Minecraft 1.14 Pre-Release 4, Minecraft 1.14 Pre-Release 5, Minecraft 1.14, Minecraft 1.14.1 Pre-Release 1, Minecraft 1.14.1 Pre-Release 2, Minecraft 1.14.1, Minecraft 1.14.2, Minecraft 1.14.3 Pre-Release 1, Minecraft 1.14.3 Pre-Release 2, Minecraft 1.14.3 Pre-Release 3, Minecraft 1.14.3 Pre-Release 4, Minecraft 1.14.3, Minecraft 1.14.4 Pre-Release 1, Minecraft 1.14.4 Pre-Release 2, Minecraft 1.14.4 Pre-Release 3, Minecraft 1.14.4 Pre-Release 4, Minecraft 1.14.4 Pre-Release 5, Minecraft 1.14.4 Pre-Release 6, 1.14.4 Pre-Release 7, 1.14.4, 19w34a, 19w35a, 19w37a, 19w38b, 19w38a, 19w39a, 19w40a, 19w41a, 19w42a, 19w44a, 19w45a, 19w45b, 19w46a, 19w46b, 1.15 Pre-release 1, 1.15 Pre-Release 2, 1.15 Pre-release 3, 1.15 Pre-release 4, 1.15 Pre-release 5, 1.15 Pre-release 7, 1.15, 1.15.1, 1.15.1 Pre-release 1, 1.15.2 Pre-Release 1, 1.15.2 Pre-release 2, 1.15.2, 20w06a, 20w07a, 20w08a, 20w09a, 20w10a, 20w11a, 20w12a, 20w13a, 20w13b, 20w14a, 20w15a, 20w16a, 20w17a, 20w18a, 20w19a, 20w20b, 20w21a, 20w22a, 1.16 Pre-release 1, 1.16 Pre-release 2, 1.16 Pre-release 3, 1.16 Pre-release 4, 1.16 Pre-release 5, 1.16 Pre-release 6, 1.16 Pre-release 7, 1.16 Pre-release 8, 1.16 Release Candidate 1, 1.16, 1.16.1, 20w27a, 20w28a, 20w29a, 20w30a, 1.16.2 Pre-release 1, 1.16.2 Pre-release 2, 1.16.2 Release Candidate 1, 1.16.2 Release Candidate 2, 1.16.2, 1.16.3 Release Candidate 1, 1.16.3, 1.16.4 Pre-release 1, 1.16.4 Pre-release 2, 1.16.4 Release Candidate 1, 1.16.4, 20w45a, 20w46a, 20w48a, 20w49a, 20w51a, 21w03a, 1.16.5, 21w05a, 21w05b, 21w06a, 21w07a, 21w08b, 21w10a, 21w11a, 21w13a, 21w14a, 21w15a, 21w16a, 21w17a, 21w18a, 21w19a, 21w20a, 1.17 Release Candidate 2, 1.17, 1.17.1, 21w42a, 22w03a, 1.18.2, 1.19 Release Candidate 2, 1.19, 1.19.2, 1.19.3, 23w04a, 23w05a, 23w06a, 1.20.1, 1.20.2, 24w34a
    • Confirmed
    • Minecart
    • Normal
    • Platform

      The Bug

      Pushing and pulling a minecart rail simultaneously with the block it's on will cause the rail to break once the extension/retraction has completed. This holds true for normal rails, powered rails, and detector rails.

      Note:

      1. A ghost rail can also be created in this setup when the rail breaks (see MC-75716).
      2. The directional randomness in the described setup has been fixed with the 24w33 redstone experiment. The lever closer to the piston is now consistently is the one which causes the rail to break. The rail breaking is the only remaining bug here with the experiment enabled.

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          2022-01-27_19.31.20.png
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        2. 2024-08-21_00.15.58.png
          2024-08-21_00.15.58.png
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        3. pistons bug.png
          pistons bug.png
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        4. pistons bug2.png
          pistons bug2.png
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        5. pistons bug3.png
          pistons bug3.png
          202 kB

            Unassigned Unassigned
            Jack_McKalling [Helper] Jack McKalling
            Votes:
            44 Vote for this issue
            Watchers:
            21 Start watching this issue

              Created:
              Updated:
              CHK: