Java exception handling with stack traces, exception chaining, try-with-resources, final re-throw, and StackWalker.

java.io.IOException: Connection reset by peer is a regular exception that the Redis server closed the connection during command sending/receiving. Do you have the full stack trace for me?

I tried with onlinemode and logged in successfully, so somehow something's actually interfering with FastLogin. Sadly there isn't much in the client log, just this line: [18:52:23] [Render thread/WARN ...