From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: chickeneer <emcchickeneer@gmail.com>
Date: Wed, 18 Mar 2020 00:07:46 -0500
Subject: [PATCH] MC-147729: Drop items that are extra from a crafting recipe

1.17: Issue seems to be fixed (source: Mojira)

diff --git a/src/main/java/net/minecraft/recipebook/ServerPlaceRecipe.java b/src/main/java/net/minecraft/recipebook/ServerPlaceRecipe.java
index a18aa176850bef45afcaf5742e9afbfa39281e22..c6ba6aabf94c26cccbd14689ea32373c17bbccc4 100644
--- a/src/main/java/net/minecraft/recipebook/ServerPlaceRecipe.java
+++ b/src/main/java/net/minecraft/recipebook/ServerPlaceRecipe.java
@@ -71,7 +71,12 @@ public class ServerPlaceRecipe<C extends Container> implements PlaceRecipe<Integ
                 if (j == -1) {
                     j = this.inventory.getFreeSlot();
                 }
-
+                // Paper start
+                if (j == -1) {
+                    this.inventory.player.drop(itemstack.copy(), false);
+                    break;
+                }
+                // Paper end
                 ItemStack itemstack1 = itemstack.copy();
 
                 itemstack1.setCount(1);