Board Thread:Questions and Answers/@comment-6022268-20130120024140

20:33:22 [WARNING] Failed to handle packet: java.lang.NullPointerException java.lang.NullPointerException at net.minecraft.server.ServerConfigurationManager.attemptLogin (ServerConfigurationManager.java:213) at net.minecraft.server.NetLoginHandler.b(NetLoginHandler.java:111) at net.minecraft.server.NetLoginHandler.a(NetLoginHandler.java:44) at net.minecraft.server.NetworkListenThread.a(NetworkListenThread.java:65) at net.minecraft.server.MinecraftServer.w(MinecraftServer.java:569) at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:457) at net.minecraft.server.ThreadServerApplication.run(SourceFile:492) >

(Please advise, if you have knowledge of this error) 