16:51:28 [SEVERE] java.lang.NullPointerException
16:51:28 [SEVERE]       at net.minecraft.server.NetworkListenThread.a(SourceFile
:63)
16:51:28 [SEVERE]       at net.minecraft.server.NetLoginHandler.a(NetLoginHandle
r.java:139)
16:51:28 [SEVERE]       at net.minecraft.server.Packet254GetInfo.a(SourceFile:16
)
16:51:28 [SEVERE]       at net.minecraft.server.NetworkManager.b(NetworkManager.
java:226)
16:51:28 [SEVERE]       at net.minecraft.server.NetLoginHandler.a(NetLoginHandle
r.java:41)
16:51:28 [SEVERE]       at net.minecraft.server.NetworkListenThread.a(SourceFile
:94)
16:51:28 [SEVERE]       at net.minecraft.server.MinecraftServer.h(MinecraftServe
r.java:464)
16:51:28 [SEVERE]       at net.minecraft.server.MinecraftServer.run(MinecraftSer
ver.java:374)
16:51:28 [SEVERE]       at net.minecraft.server.ThreadServerApplication.run(Sour
ceFile:417)