Mistenker en file descriptor leak eller lignende:
2012-01-18 23:02:00 [SEVERE] java.net.SocketException: Too many open files
2012-01-18 23:02:00 [SEVERE] at java.net.PlainSocketImpl.socketAccept(Native Method)
2012-01-18 23:02:00 [SEVERE] at java.net.AbstractPlainSocketImpl.accept(AbstractPlainSocketImpl.java:375)
2012-01-18 23:02:00 [SEVERE] at java.net.ServerSocket.implAccept(ServerSocket.java:470)
2012-01-18 23:02:00 [SEVERE] at java.net.ServerSocket.accept(ServerSocket.java:438)
2012-01-18 23:02:00 [SEVERE] at net.minecraft.server.NetworkAcceptThread.run(SourceFile:35)