What is a TCP window update?

Question

I\'m making my own custom server software for a game in Java (the game and original server software were written with Java). There isn\'t any protocol documentation available, s

Answer 1

Do you get any details with the exception?

It is not likely related to the TCP Window Update packet
(have you seen it repeat exactly for multiple instances?)

More likely related to your processing code that works on the received data.