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MC-115178

Dirt blocks hoppered into top or side of furnace disappear forever.

Bottom up, I stacked these blocks:

  • chest

  • hopper

  • furnace

  • hopper

  • chest

If I put dirt blocks into the upper chest or hopper, they seem to drain out into nowhere. They do not appear in the hopper UI, and they don't get pulled into the lower hopper or chest. The item count in the hopper goes down and then stops counting.

Breaking the hopper does not also drop the missing blocks.

This problem occurs whether the upper hopper is connected to the side or the top.

I'm not sure if this applies to any other blocks.

I put a bow in the fuel slot, and the broke the furnace. The bow was not dropped. If I place any furnace in another location, the bow does not appear in the fuel slot, BUT if I place any furnace back in the original location, the bow reappears.

After doing other testing, I found that dirt blocks didn't disappear anymore, but it appears that visible furnace inventories are stored in relation to the furnace coordinates. Placing a furnace there makes that inventory show up again.

I thought if I hoppered a dirt blocks into a furnace that was at different coordinates, then I might be able to reproduce the loss of dirt blocks, but that didn't happen.

Next, I went into another creative mode world and did the experiment again. Same stack, and I place 64 dirt blocks into the upper hopper. Unfortunately, the problem did not recur.

My theory is that furnaces have location based inventories that get restored when you place a a furnace back into a spot where one had been before. Additionally, there seems to be a third hidden furnace inventory that's either global or location based that items not normally sent into a furnace might go, but the bug is not easy to reproduce.

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Timothy Miller

(Unassigned)

Unconfirmed

Minecraft 17w06a

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