From 4aaab5e21ab07136668aa409b8e2a2691c4f1c2b 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


diff --git a/src/main/java/net/minecraft/server/DispenserRegistry.java b/src/main/java/net/minecraft/server/DispenserRegistry.java
index f9d5489b7b..d564564420 100644
--- a/src/main/java/net/minecraft/server/DispenserRegistry.java
+++ b/src/main/java/net/minecraft/server/DispenserRegistry.java
@@ -143,7 +143,13 @@ public class DispenserRegistry {
                 }
 
                 if (entitytypes != null) {
+                    try { // Paper
                     entitytypes.a(isourceblock.getWorld(), itemstack, (EntityHuman) null, isourceblock.getBlockPosition().shift(enumdirection), enumdirection != EnumDirection.UP, false);
+                    // Paper start
+                    } catch (Exception ex){
+                        MinecraftServer.LOGGER.warn("An exception occurred dispensing entity at {}[{}]", world.getWorld().getName(), isourceblock.getBlockPosition(), ex);
+                    }
+                    // Paper end
                 }
 
                 // itemstack.subtract(1); // Handled during event processing
-- 
2.21.0