Describe the bug
in console i get this

[21:48:12 WARN]: An exceptionCaught() event was fired, and it reached at the tail of the pipeline. It usually means the last handler in the pipeline did not handle the exception.

java.nio.channels.ClosedChannelException

also get a connection lost error and won't let me join

To Reproduce
Steps to reproduce the behavior:
I don't really know it's a complex error that states broken pipe when i try and log in or connection lost and shows this messages in the console and i asked around a buncha developers and they all said it's most likely related to protocollib so here i am

Expected behavior
A clear and concise description of what you expected to happen.

Version Info
dump info: https://pastebin.com/Ghx9G6Sw

Same error here #993
The main problem is JAVA 15