A minecraft bug.

Put the summary of the bug you're having here

What I expected to happen was...:
I fight with a skeleton near the water

What actually happened was...:
Skeleton shoot to drowned, but he not has a react for this, and not attack the skeleton

Steps to Reproduce:
1. Put a step by step guide on how to trigger the bug here
2. Find a skeleton
3. Let him shoot to drowned