All doors that get spawned when the world generates (Villages and strongholds). Have a texture as if they both are the top half of the door and they are always facing the south even though they are closed.
If you update the door it gets rid of the door
Note: If you try to open the door you crash
Environment
Doors that automatically get spawned (Villages and strongholds)
Os: Windows 7
Java: latest
Please do not mark issues as private, unless your bug report is an exploit or contains information about your username or server.