You can use worldborder to prevent players from walking out too far on your map: http://dev.bukkit.org/server-mods/worldborder/
Hmm, I see what you mean. I'm not sure about that.
Because not many people know about it. Also, you only start noticing these TPS drops when you get a large number of people playing on a server.
I think signatures are limited in size on here, so my suggestion would be make the signature smaller.
It is fully compatible with all bukkit plugins, it's just an optimised version of Bukkit.
Try generating a new map and seeing if the error comes up again.
Read the following thread: http://forums.spout.org/threads/craftbukkit.938/
Basically, it's a build of craftbukkit that is optimised to prevent...
Hmmm, it sounds to me like a plugin is misbehaving. How long does it normally take before the server crashes?
Can you try disabling all of your plugins and seeing if you can log in?
If that works, try enabling plugins one by one to see if you can find...
Ok, then unfortunately this sounds like a bad chunk error. Do you have any backups of your map you can restore to?
To spawn new users to exact coordinates, the best plugin for you to use is HeroSpawn
What is the error that you get when the server crashes? Whenever memory is needed for a process, it is taken away from the memory that is used for...
Hmm, I see you are getting a java.io.IOException: Input/output error
This is most likely caused by a misbehaving plugin or chunk error. Try...
As you can see from the following:
total used free shared buffers cached
Mem: 15528 14234 1293 0 37 11230
-/+ buffers/cache: 2966 12561
Try increasing the amount of RAM you allocate to the server to 2-4GB. If that doesnt work, you most likely have some sort of memory leak. Have you...
2029GB? You mean MB?
2029MB should be enough for that. How much RAM do you have free on the computer you are running the server on?
As you can see from the following error:
2012-05-13 10:14:56 [SEVERE] java.lang.OutOfMemoryError: Java heap space
Are you sure that's the complete startup part of the log? What you posted cuts off before the server fully starts up.
I know that minecraft works for using Ü in chat. However the plugin you are using most likely doesn't parse it correctly. What chat plugin are you...
Do you have a copy of that error message? Without it, it's hard to help.
Separate names with a comma.