Put the summary of the bug you're having here
What I expected to happen was...:
The chest to stay visible
What actually happened was...:
When xp orbs are over a chest the chest becomes invisible.
Steps to Reproduce:
Use an xp farm or xp bottles and have the orbs cover a chest while going into the player and the chest wont be visible.
Duplicate of MC-168485 - please search in the future