Title is self-explanatory, happens with any type of splash or lingering potion. You only get water, no effects.
Linked issues
Comments 3
Relates to MC-85835.
MC-92554
Throwing splash and lingering potions (any type) produces splash water bottles which have no effect
Resolved
Duplicate
4
_zombiehunter
(Unassigned)
Unconfirmed
Minecraft 15w46a
Retrieved
Confirmed. Happens with all default and custom potions; the item data from the inventory potion is not stored on the ThrownPotion (defaulting to splash_potion with no effects, as well as a "ThrownPotion entity # has no item?!" error in log).