Put the summary of the bug you're having here

*What I expected to happen was I would just fall.
Describe what you thought should happen here

*What actually happened was I jumped into the chest
Describe what happened here

Steps to Reproduce:
1. Put a step by step guide on how to trigger the bug here
2. Go on a server
3. Place a large chest, then leaving a one block space, put another large chest above.
4. Jump into it.