[16:05:45] [Netty Server IO #0/WARN]: An exceptionCaught() event was fired, and it reached at the tail of the pipel
ine. It usually means the last handler in the pipeline did not handle the exception.
java.nio.channels.ClosedChannelException: null
        at io.netty.channel.AbstractChannel$AbstractUnsafe.write(...)(Unknown Source) ~[spigot.jar:3029-Spigot-79d5
3c2-e9ad7cb]