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  1. Minecraft: Java Edition
  2. MC-210943

Fire caused by lava can appear out of nowhere by placing a non-flammable block on above the lava

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    • Icon: Bug Bug
    • Resolution: Duplicate
    • None
    • 20w51a
    • None
    • Windows 10
      32-bit Java 8
    • Unconfirmed

      The bug

      If you place any non-flammable block above the lava by 1 block, and if there is a block flammable by lava very close to the lava, fire will still appear, nevertheless.

      Misc (Not related to the bug itself.)

      • I name this bug "The Flamethrower Block", due to the fact that it causes a fire if you place something flammable by lava very close to it.

      What I excepted to happen

      By placing an non-flammable block above the lava by 1 block, and if there is a block flammable by lava very close to the lava, no fire will appear.

      What really happens

      By doing the same procedure, fire still appears. This happens if the block touches the non-flammable block, or is 1 block away from the non-flammable block.

      How to reproduce (In Steps)

      1. Get a lava bucket, and a non-flammable block.
      2. Dig 1 block, and place the lava here.
      3. Place 2 blocks. The first block must be broken. The second block should be directly be above the lava.
        • First, place a block. Second, fill the hole with lava. Third, Place the second block. This must be directly above the lava by exactly 1 block. Last, Break the first block and go to step 4
      4. Place an block flammable by lava, near to the non-flammable block
         The flammable block will catch fire, with the fire no-clipping through the non-flammable block. Changing the Mipmap Level will have no effect on the bug. However, if it rains, the process of burning will take longer.

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              Created:
              Updated:
              Resolved: