PaperMC/nms-patches/TileEntityPiston.patch

--- a/net/minecraft/server/TileEntityPiston.java
+++ b/net/minecraft/server/TileEntityPiston.java
@@ -132,6 +132,7 @@
     }
 
     public void c() {
+        if (this.world == null) return; // CraftBukkit
         this.j = this.i;
         if (this.j >= 1.0F) {
             this.i();
Cut fluff from patch headers. 2015-05-25 12:37:24 +02:00			`--- a/net/minecraft/server/TileEntityPiston.java`
			`+++ b/net/minecraft/server/TileEntityPiston.java`
Update to Minecraft 1.9 2016-02-29 22:32:46 +01:00			`@@ -132,6 +132,7 @@`
Update to Minecraft 1.8 For more information please see http://www.spigotmc.org/ 2014-11-25 22:32:16 +01:00			`}`

			`public void c() {`
			`+ if (this.world == null) return; // CraftBukkit`
			`this.j = this.i;`
			`if (this.j >= 1.0F) {`
Update to Minecraft 1.9 2016-02-29 22:32:46 +01:00			`this.i();`