Bug when killed by bow and arrow

[orgiz]

Hi i got some problems when someone die by a bow and arrow.
When the player dies, he starts falling in a loop hole and he will not die until the player exit the client.

Here is the error from console when someone dies from bow and arrow:
http://pastebin.com/4GhetuFK

Im using Spigot and SurvivalGames dev build #49

Best regards
Orgiz