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  1. Minecraft: Java Edition
  2. MC-81223

Pistons activate when repeaters point to the empty block above them

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    • Icon: Bug Bug
    • Resolution: Duplicate
    • None
    • Minecraft 1.8.7
    • None
    • Java x64 Windows 7 Home, 8gb RAM, R7 240x GPU
    • Unconfirmed

      I was making a machine with Redstone and happened to use a combination that revealed this bug. When a redstone repeater is pointed into a air block above a piston it acts as though a real block were there, completing the circuit and activating the piston. While this is acceptable if a real block was there, in the screenshots below it's obvious that no such block exists.

      Also on the subject of pistons:
      If any solid block is pushed by a piston upward and then proceeds to have a signal go through it, the piston head receives power and does not retract when the base of the piston stops receiving power.

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        3. 2015-06-09_15.39.19.png
          2015-06-09_15.39.19.png
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        4. 2015-06-09_15.39.08.png
          2015-06-09_15.39.08.png
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        5. 2015-06-09_15.39.00.png
          2015-06-09_15.39.00.png
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            Unassigned Unassigned
            jccreszMinecraft Jacob S. Reed
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              Created:
              Updated:
              Resolved: