From 41b2e89c70a73588a7bd8ba3173452e141673d84 Mon Sep 17 00:00:00 2001
From: feildmaster <admin@feildmaster.com>
Date: Mon, 14 May 2012 20:50:16 -0500
Subject: [PATCH] Assert that the block is still present after placement. Fixes
 BUKKIT-1399

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

diff --git a/src/main/java/net/minecraft/server/ItemBlock.java b/src/main/java/net/minecraft/server/ItemBlock.java
index a1b686d19c..d27a788d26 100644
--- a/src/main/java/net/minecraft/server/ItemBlock.java
+++ b/src/main/java/net/minecraft/server/ItemBlock.java
@@ -79,7 +79,7 @@ public class ItemBlock extends Item {
             }
 
             if (world.setTypeIdAndData(i, j, k, id, data)) {
-                if (Block.byId[id] != null) {
+                if (world.getTypeId(i, j, k) == id && Block.byId[id] != null) {
                     Block.byId[id].postPlace(world, i, j, k, l);
                     Block.byId[id].postPlace(world, i, j, k, entityhuman);
                     // CraftBukkit end