Bukkit/CraftBukkit — comment on commit 51891c2df31b5a1e260e8b5e51e66fba786f7737
File: src/main/java/net/minecraft/server/EntityPotion.java line 69
By Sleaker:

@grum
Pro testing being done on bleeding before pull requests are accepted! This causes insta-crash on client. See:
https://github.com/Afforess/CraftBukkitPlusPlus/commit/dbaf462b97c03a794dfb3b531510cc8d8b854847