Uploaded image for project: 'Minecraft: Java Edition'
  1. Minecraft: Java Edition
  2. MC-957

Powered rails do not update when additional power sources are added or removed

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    • Icon: Bug Bug
    • Resolution: Unresolved
    • None
    • Minecraft 1.4.1, Minecraft 1.4.2, Snapshot 12w49a, Minecraft 1.4.6, Minecraft 1.4.7, Snapshot 13w02b, Snapshot 13w09c, Snapshot 13w10a, Minecraft 1.5, Snapshot 13w11a, Minecraft 1.5.1, Snapshot 13w18b, Snapshot 13w18c, Minecraft 1.6.1, Minecraft 1.7.4, Minecraft 14w03b, Minecraft 14w05b, Minecraft 14w06b, Minecraft 14w07a, Minecraft 14w08a, Minecraft 14w11b, Minecraft 1.7.9, Minecraft 14w18b, Minecraft 14w19a, Minecraft 1.7.10, Minecraft 14w27b, Minecraft 14w32d, Minecraft 14w33c, Minecraft 14w34a, Minecraft 14w34b, Minecraft 14w34c, Minecraft 14w34d, Minecraft 1.8-pre1, Minecraft 1.8, Minecraft 1.8.1-pre3, Minecraft 1.8.6, Minecraft 1.8.8, Minecraft 15w31c, Minecraft 15w36d, Minecraft 15w44b, Minecraft 1.8.9, Minecraft 15w51b, Minecraft 16w03a, Minecraft 1.9 Pre-Release 1, Minecraft 1.9 Pre-Release 3, Minecraft 1.9.1, Minecraft 1.9.2, Minecraft 16w14a, Minecraft 1.10, Minecraft 1.10.1, Minecraft 1.10.2, Minecraft 16w32a, Minecraft 16w32b, Minecraft 16w33a, Minecraft 16w35a, Minecraft 16w41a, Minecraft 1.11.2, Minecraft 17w06a, Minecraft 17w18b, Minecraft 1.12 Pre-Release 1, Minecraft 1.12 Pre-Release 2, Minecraft 1.12 Pre-Release 6, Minecraft 1.12.1 Pre-Release 1, Minecraft 1.12.1, Minecraft 1.12.2, Minecraft 17w43a, Minecraft 17w43b, Minecraft 18w03b, Minecraft 1.13-pre1, Minecraft 1.13-pre3, Minecraft 1.13-pre4, Minecraft 1.13-pre5, Minecraft 1.13-pre6, Minecraft 1.13-pre7, Minecraft 1.13-pre8, Minecraft 1.13-pre9, Minecraft 1.13-pre10, Minecraft 1.13, Minecraft 18w30a, Minecraft 18w30b, Minecraft 18w31a, Minecraft 18w32a, Minecraft 18w33a, Minecraft 1.13.1, Minecraft 1.13.2-pre1, Minecraft 1.13.2-pre2, Minecraft 1.13.2, Minecraft 18w47b, 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 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 Pre-Release 1, Minecraft 1.14.2 Pre-Release 2, Minecraft 1.14.2 Pre-Release 3, Minecraft 1.14.2 Pre-Release 4, 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, 19w36a, 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 6, 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, 20w20a, 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 Pre-release 3, 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 Pre-release 2, 1.17 Release Candidate 2, 1.17, 1.17.1, 21w39a, 21w40a, 21w41a, 21w42a, 21w44a, 1.18 Release Candidate 3, 1.18, 1.18.1, 22w05a, 1.18.2 Release Candidate 1, 1.18.2, 22w14a, 22w17a, 1.19 Pre-release 1, 1.19, 1.19.1, 1.19.2, 22w43a, 1.19.3, 23w03a, 23w04a, 1.19.4, 1.20, 1.20.1 Release Candidate 1, 1.20.1, 1.20.2 Pre-release 2, 1.20.4, 23w51b, 24w11a, 1.20.6, 24w19b, 1.21, 24w33a, 1.21.1, 24w34a, 1.21.3
    • Confirmed
    • Block states, Minecart, Redstone
    • Low
    • Platform

      The bug

      Powered rails do not update when additional power sources are added or removed.

      How to reproduce

      1. Build the setup as shown in the attachment below (setup.png)
      2. Place a redstone block on top of the diamond block
      3. Take note of how many powered rails are activated
      4. Place a redstone block on top of the emerald block
      5. Once again, take note of how many powered rails are activated
      6. Take note as to whether or not powered rails update when additional power sources are added or removed
        → Powered rails do not update when additional power sources are added or removed

      Expected behavior

      Powered rails would update when additional power sources are added or removed.

      Code analysis

      Code analysis by ISRosillo14 can be found in this comment.

        1. setup.png
          setup.png
          257 kB
        2. Screen Shot 2012-10-29 at 13.15.49.png
          Screen Shot 2012-10-29 at 13.15.49.png
          1.31 MB
        3. railes.png
          railes.png
          427 kB
        4. MC-957.png
          MC-957.png
          560 kB
        5. MC-957.mp4
          8.12 MB
        6. 2014-07-07_23.49.19.png
          2014-07-07_23.49.19.png
          1.03 MB
        7. 2014-07-07_23.33.28.png
          2014-07-07_23.33.28.png
          128 kB
        8. 2014-02-20_21.03.07.png
          2014-02-20_21.03.07.png
          487 kB
        9. 13w02b Powered Rail Bug.png
          13w02b Powered Rail Bug.png
          298 kB

            Unassigned Unassigned
            Avoma [Mod] Avoma
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            134 Vote for this issue
            Watchers:
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              Created:
              Updated:
              CHK: