Java crash for servers

Minecraft Java Crash for servers on Mac

What I expected to happen was...:
I expected as a normal Minecraft crash.

What actually happened was...:
A Java error was occuring, I did not know how to stop it.

Steps to Reproduce:
1. Launch Minecraft.
2. Join a larger MC server, (Mineplex, Hypixel, Cubecraft, etc.)
3. When you join, this bug occurs a few seconds after you join.