Mike Wheeler

Yuki, that can't be it because none of the chests were ever even opened.

Ah, I did not know that Tails, thanks!

Still happens with 13w09b as well. Just fyi

Thanks for going that extra mile Tails, I appreciate it. Strange, but it does happen. It happens close to 50% of the time for me. If I can assist in any way, let me know.

Thanks!

Third picture with open chest showing: Item ended up in chest, EVERY time. Bug.

Just made another setup FAR away from any work I have done, and: Item ended up in chest.

It is certainly random, and can easily be reproduced for me. So not sure what else to tell you other than if that happens in the production update than I can never trust a dropper to do what it is designed to do.

How else can I assist to show you this is messing up for me.

Adding another picture of 5 setups exactly alike. The redstone was NEVER active aside from each setup being used at the time.

Starting with the left setup and dropping one item into each hopper:

Setup1 from left: Item always ends up in top dropper.
Setup2 from left: Item always ends up in chest.
Setup3 from left: Item always ends up in top dropper.
Setup4 from left: Item always ends up in chest.
Setup5 from left: Item always ends up in chest.

I just built another 5 setups. 2 in dropper, 3 in chest.

All setups are exactly alike, there are no differences. I thought the rapid fire might be the issue, but it is a constant output depending on something. I have no clue what it is. If I knew how to make a movie of it I would show you, two exact builds per the screenshot, two different outputs.

My guess is that it MIGHT be related to rapid fire, but if the trigger is going to be permanent random, for lack of a better phrase, then trying to move items UP through droppers will be a pain.

But it is not always staying in the second dropper. On some it will go straight through the second dropper and into the chest, and will always do it. I did see MC-846, this bug is nothing like that.