From 5b18abbea01676a4a416eb171bf8e757dc6a622f Mon Sep 17 00:00:00 2001
From: Glitchfinder <glitchkey@gmail.com>
Date: Tue, 1 Jan 2013 19:25:35 -0800
Subject: [PATCH] Fixing a concurrent modification error.

---
 .../nossr50/util/blockmeta/chunkmeta/HashChunkManager.java  | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/main/java/com/gmail/nossr50/util/blockmeta/chunkmeta/HashChunkManager.java b/src/main/java/com/gmail/nossr50/util/blockmeta/chunkmeta/HashChunkManager.java
index cc81573ffe..442f67eb3f 100755
--- a/src/main/java/com/gmail/nossr50/util/blockmeta/chunkmeta/HashChunkManager.java
+++ b/src/main/java/com/gmail/nossr50/util/blockmeta/chunkmeta/HashChunkManager.java
@@ -223,7 +223,8 @@ public synchronized void saveChunk(int cx, int cz, World world) {
 
         boolean unloaded = false;
         if(!store.containsKey(world.getName() + "," + cx + "," + cz)) {
-            for(Entity entity : spawnedMobs) {
+            List<Entity> tempSpawnedMobs = new ArrayList<Entity>(spawnedMobs);
+            for(Entity entity : tempSpawnedMobs) {
                 if(!isEntityInChunk(entity, cx, cz, world))
                     continue;
 
@@ -233,7 +234,8 @@ public synchronized void saveChunk(int cx, int cz, World world) {
             }
 
             if(!unloaded) {
-                for(Entity entity : spawnedPets) {
+                List<Entity> tempSpawnedPets = new ArrayList<Entity>(spawnedPets);
+                for(Entity entity : tempSpawnedPets) {
                     if(!isEntityInChunk(entity, cx, cz, world))
                         continue;