Shame on you Mojang

Someone wrote some horrible code that throws a world accessing task
onto the HTTP DOWNLOADER Thread Pool, for an activity that is not even
heavy enough to warrant async operation.

This then triggers async chunk loads!

What in the hell were you thinking?

Spigot-Server-Patches/0210-Shame-on-you-Mojang.patch

@@ -0,0 +1,59 @@
+From b951de24deaad1aa60d6c8ec76b9788a6091fae0 Mon Sep 17 00:00:00 2001
+From: Aikar <aikar@aikar.co>
+Date: Sun, 5 Feb 2017 19:17:28 -0500
+Subject: [PATCH] Shame on you Mojang
+
+Someone wrote some horrible code that throws a world accessing task
+onto the HTTP DOWNLOADER Thread Pool, for an activity that is not even
+heavy enough to warrant async operation.
+
+This then triggers async chunk loads!
+
+What in the hell were you thinking?
+
+diff --git a/src/main/java/net/minecraft/server/BlockBeacon.java b/src/main/java/net/minecraft/server/BlockBeacon.java
+index f44f05620..74c371179 100644
+--- a/src/main/java/net/minecraft/server/BlockBeacon.java
++++ b/src/main/java/net/minecraft/server/BlockBeacon.java
+@@ -62,8 +62,8 @@ public class BlockBeacon extends BlockTileEntity {
+     }
+ 
+     public static void c(final World world, final BlockPosition blockposition) {
+-        HttpUtilities.a.submit(new Runnable() {
+-            public void run() {
++        /*HttpUtilities.a.submit(new Runnable() {
++            public void run() {*/ // Paper
+                 Chunk chunk = world.getChunkAtWorldCoords(blockposition);
+ 
+                 for (int i = blockposition.getY() - 1; i >= 0; --i) {
+@@ -76,8 +76,8 @@ public class BlockBeacon extends BlockTileEntity {
+                     IBlockData iblockdata = world.getType(blockposition1);
+ 
+                     if (iblockdata.getBlock() == Blocks.BEACON) {
+-                        ((WorldServer) world).postToMainThread(new Runnable() {
+-                            public void run() {
++                        /*((WorldServer) world).postToMainThread(new Runnable() {
++                            public void run() {*/ // Paper
+                                 TileEntity tileentity = world.getTileEntity(blockposition);
+ 
+                                 if (tileentity instanceof TileEntityBeacon) {
+@@ -85,12 +85,12 @@ public class BlockBeacon extends BlockTileEntity {
+                                     world.playBlockAction(blockposition, Blocks.BEACON, 1, 0);
+                                 }
+ 
+-                            }
+-                        });
++                            /*}
++                        });*/ // Paper
+                     }
+                 }
+ 
+-            }
+-        });
++            /*}
++        });*/ // Paper
+     }
+ }
+-- 
+2.11.0
+

scripts/importmcdev.sh

@@ -40,6 +40,7 @@ import BaseBlockPosition
 import BiomeBase
 import BiomeJungle
 import BiomeMesa
+import BlockBeacon
 import BlockChest
 import BlockFalling
 import BlockFurnace