2011-08-21 15:25:53 [INFO] connect from ip 81.XXX.XX.XXX
2011-08-21 15:25:53 [INFO] ip is banned
2011-08-21 15:25:53 [SEVERE] Could not pass event PLAYER_JOIN to xAuth
java.lang.NullPointerException
    at com.cypherx.xauth.xAuth.protect(xAuth.java:280)
    at com.cypherx.xauth.xAuth.createGuest(xAuth.java:264)
    at com.cypherx.xauth.listeners.xAuthPlayerListener.onPlayerJoin(xAuthPlayerListener.java:69)
    at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:244)
    at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:58)
    at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:338)
    at net.minecraft.server.ServerConfigurationManager.c(ServerConfigurationManager.java:124)
    at net.minecraft.server.NetLoginHandler.b(NetLoginHandler.java:97)
    at net.minecraft.server.NetLoginHandler.a(NetLoginHandler.java:74)
    at net.minecraft.server.Packet1Login.a(SourceFile:43)
    at net.minecraft.server.NetworkManager.b(NetworkManager.java:226)
    at net.minecraft.server.NetLoginHandler.a(NetLoginHandler.java:40)
    at net.minecraft.server.NetworkListenThread.a(SourceFile:91)
    at net.minecraft.server.MinecraftServer.h(MinecraftServer.java:453)
    at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:363)
    at net.minecraft.server.ThreadServerApplication.run(SourceFile:422)