Solutions for the most common server problems
Your game server won't start or stops right away? How to find the cause in console and logs — the most common errors and how to fix them.
Your friends can't get onto your game server? Check address, port, version and password — the checklist for connection problems.
Mods or plugins won't load on your game server? Check logs, match versions, isolate conflicts — how to find the broken mod.
Your game server is lagging or stuttering? The difference between server lag and ping, spotting RAM bottlenecks, and stopping the most common performance hogs.
Your server is stuck on "stopping" and ignores every power action? Here is how to force stop it without losing your world.