PaperMC/nms-patches/RecipeArmorDye.patch

--- a/net/minecraft/server/RecipeArmorDye.java
+++ b/net/minecraft/server/RecipeArmorDye.java
@@ -3,9 +3,13 @@
 import com.google.common.collect.Lists;
 import java.util.ArrayList;
 
-public class RecipeArmorDye implements IRecipe {
+public class RecipeArmorDye extends ShapelessRecipes implements IRecipe { // CraftBukkit - added extends
 
-    public RecipeArmorDye() {}
+    // CraftBukkit start - Delegate to new parent class with bogus info
+    public RecipeArmorDye() {
+        super("", new ItemStack(Items.LEATHER_HELMET, 0, 0), NonNullList.a(RecipeItemStack.a, RecipeItemStack.a(Items.DYE)));
+    }
+    // CraftBukkit end
 
     public boolean a(InventoryCrafting inventorycrafting, World world) {
         ItemStack itemstack = ItemStack.a;