Version Information

lithium-fabric-mc1.17-0.7.1

Expected Behavior

Hoppers should take items from the container above it, and stop taking items if the container is removed/disconnected.

Actual Behavior

The behavior is not expected.

Reproduction Steps

Place a large chest above hopper, fill it with items
Destory the half above the hopper
Hopper takes items from another half, which is not connected to the hopper
Replace the chests, hopper stops taking items.
More details see video.

Other Information

Game version: Minecraft 1.17
Fabric version: fabric-loader-0.11.3
Mod list:

• lithium-fabric-mc1.17-0.7.1

This issue might be related to #247

Thanks for the detailed bug report. The cause was a mistake in the inventory caching code which affected double inventories above hoppers. It is fixed in 1736fa4 and will be in the next release