https://gist.github.com/RoboMWM/0b2a2b86c9be9cf76325afb694ddbb18

To reproduce: Generate new world with generate-structures=false in server.properties (or set mapFeatures to 0 in level.dat).

Attempt to throw an eye of ender.

Note: Doesn't seem to occur if the world is specified as flat, however. So make sure it isn't a flatworld.