dxchen

Maybe the summary "Clicking on the first trade, when not enough items are available, will select the next trade for which enough items are present." describes this issue better?

I think this would also cover MC-215441

Can confirm in 21w07a

Can confirm in 21w03a

Also affects version 1.16.5

I think this is a duplicate of MC-209286 .

This is also present in 1.16.5-rc1

P.S.: What response(/information) is needed to get this reopened?

This also affects Shift-Click Trading, if you pass multiple books.

In the above example: If you add more than 58 Emeralds and at least 2 Books and then buy with a shift-click, you will get 1x Enchanted Book + 1x Another Enchanted Book.

This issue is not limited to the Librarian, but it's more common with them.

How to reproduce this:

• Find a villager who offers multiple trades:

  • The first trade
    (E.g: 36 Emeralds + 1 Book => 1 Enchanted Book)

  • One or more other trades with the same first item, but at a lower cost
    (E.g.: 22 Emeralds + 1 Book => 1 Another Enchanted Book; 9 Emeralds => 1 Bookshelf)

• Don't have enough items in your inventory to successfully buy the 1. trade offer

• Select the first trade (it only occurs with the first trade)

Actual Behavior:

• It will select the first trade for which you have enough items (E.g.: The 9 Emeralds => 1 Bookshelf if you don't have a book)

Expected Behavior:

• It should not select any trade (The right side of the trade should stay empty)

This is still reproducible in 20w51a