Paper/paper-server/nms-patches/TileEntityPiston.patch

--- a/net/minecraft/server/TileEntityPiston.java
+++ b/net/minecraft/server/TileEntityPiston.java
@@ -133,6 +133,7 @@
     }
 
     public void E_() {
+        if (this.world == null) return; // CraftBukkit
         this.j = this.i;
         if (this.j >= 1.0F) {
             this.j();
Cut fluff from patch headers. By: md_5 <git@md-5.net> 2015-05-25 12:37:24 +02:00			`--- a/net/minecraft/server/TileEntityPiston.java`
			`+++ b/net/minecraft/server/TileEntityPiston.java`
Update to Minecraft 1.10 By: md_5 <git@md-5.net> 2016-06-09 03:43:49 +02:00			`@@ -133,6 +133,7 @@`
Update to Minecraft 1.8 For more information please see http://www.spigotmc.org/ By: Thinkofdeath <thinkofdeath@spigotmc.org> 2014-11-25 22:32:16 +01:00			`}`

Update to Minecraft 1.10 By: md_5 <git@md-5.net> 2016-06-09 03:43:49 +02:00			`public void E_() {`
Update to Minecraft 1.8 For more information please see http://www.spigotmc.org/ By: Thinkofdeath <thinkofdeath@spigotmc.org> 2014-11-25 22:32:16 +01:00			`+ if (this.world == null) return; // CraftBukkit`
			`this.j = this.i;`
			`if (this.j >= 1.0F) {`
Minecraft 1.9.4 By: md_5 <git@md-5.net> 2016-05-10 13:47:39 +02:00			`this.j();`