Um.. I'm pretty sure this wasn't actually deadmau5 but: Code: 13:26:51 [INFO] deadmau5 has logged in for the first time. 13:26:54 [SEVERE] java.net.SocketException: Connection reset 13:26:54 [SEVERE] at java.net.SocketInputStream.read(SocketInputStream.java:168) 13:26:54 [SEVERE] at java.net.SocketInputStream.read(SocketInputStream.java:182) 13:26:54 [SEVERE] at java.io.FilterInputStream.read(FilterInputStream.java:66) 13:26:54 [SEVERE] at net.minecraft.server.Packet.b(SourceFile:113) 13:26:54 [SEVERE] at net.minecraft.server.NetworkManager.f(SourceFile:155) 13:26:54 [SEVERE] at net.minecraft.server.NetworkManager.c(SourceFile:9) 13:26:54 [SEVERE] at net.minecraft.server.NetworkReaderThread.run(SourceFile:62) What? deadmau5? WUT?
Probably a name spoofer. It looks like he did something to your server, like causing it to crash. Did your server crash after he logged in?
It looks like you didn't even read the exception, because it clearly says "connection reset", not "server crashed".
I'm not experienced with interpreting Bukkit errors. Excuse me if I misinterpreted the error, clearly you're more experienced.
That error message ("connection reset") isn't unique to bukkit. I'm pretty sure everybody who has used a web browser in the last 10 years has seen it at some point in their web browser without having the browser crash