I cannot kill enderdragon by kill command or "tp @e[type=!Player] ~ ~-600 ~".
1. I commanded "/kill @e[type=!Player], but Enderdragon is alive.
2. Then I teleported Enderdragon to "~ ~-600 ~", but Enderdragon is alive!
Environment
14w04b, Minecraft Server
Duplicate of MC-44489 - If you have not, please use the search function in the future, to see if your bug has already been submitted. If you could not find the original report, please comment with the keywords you searched for.