From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Shane Freeder <theboyetronic@gmail.com>
Date: Mon, 10 Jun 2019 09:36:40 +0100
Subject: [PATCH] Catch exceptions from dispenser entity spawns
mojang(?) added similar warning

diff --git a/src/main/java/net/minecraft/core/dispenser/DispenseItemBehavior.java b/src/main/java/net/minecraft/core/dispenser/DispenseItemBehavior.java
index dccf689d17bb5a77abf97779663413d01e840c23..67a894a185a3d4a53b3c7f90174b2604dff18257 100644
--- a/src/main/java/net/minecraft/core/dispenser/DispenseItemBehavior.java
+++ b/src/main/java/net/minecraft/core/dispenser/DispenseItemBehavior.java
@@ -8,6 +8,7 @@ import net.minecraft.core.BlockPos;
 import net.minecraft.core.BlockSource;
 import net.minecraft.core.Direction;
 import net.minecraft.core.Position;
+import net.minecraft.server.MinecraftServer;
 import net.minecraft.server.level.ServerLevel;
 import net.minecraft.server.level.ServerPlayer;
 import net.minecraft.sounds.SoundEvents;
@@ -235,7 +236,14 @@ public interface DispenseItemBehavior {
                     }
                 }
 
+                try { // Paper
                 entitytypes.spawn(pointer.getLevel(), stack, (Player) null, pointer.getPos().relative(enumdirection), MobSpawnType.DISPENSER, enumdirection != Direction.UP, false);
+                    // Paper start
+                } catch (Exception ex){
+                    MinecraftServer.LOGGER.warn("An exception occurred dispensing entity at {}[{}]", worldserver.getWorld().getName(), pointer.getPos(), ex);
+                }
+                // Paper end
+
                 // itemstack.subtract(1); // Handled during event processing
                 // CraftBukkit end
                 return stack;