From 0e7b9834f94420a12ab29e0720400b5fc8e13ab7 Mon Sep 17 00:00:00 2001
From: Nathan Adams <dinnerbone@dinnerbone.com>
Date: Thu, 1 Mar 2012 17:07:02 +0000
Subject: [PATCH] Potentially fixed crash when building at max world height

---
 src/main/java/net/minecraft/server/World.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/main/java/net/minecraft/server/World.java b/src/main/java/net/minecraft/server/World.java
index e9ac624662..6cbadc1c6c 100644
--- a/src/main/java/net/minecraft/server/World.java
+++ b/src/main/java/net/minecraft/server/World.java
@@ -2284,7 +2284,7 @@ public class World implements IBlockAccess {
                                         i5 = 1;
                                     }
 
-                                    if (l2 == k2 - i5 && i1 <= this.E.length) {
+                                    if (l2 == k2 - i5 && i1 < this.E.length) { // CraftBukkit - <= to <
                                         this.E[i1++] = j4 - i + 32 + (k4 - j + 32 << 6) + (l4 - k + 32 << 12) + (k2 - i5 << 18);
                                     }
                                 }