--- ../work/decompile-8eb82bde//net/minecraft/server/EntityPainting.java	2014-11-28 17:43:43.141707434 +0000
+++ src/main/java/net/minecraft/server/EntityPainting.java	2014-11-28 17:38:18.000000000 +0000
@@ -9,6 +9,7 @@
 
     public EntityPainting(World world) {
         super(world);
+        this.art = EnumArt.values()[this.random.nextInt(EnumArt.values().length)]; // CraftBukkit - generate a non-null painting
     }
 
     public EntityPainting(World world, BlockPosition blockposition, EnumDirection enumdirection) {