For random reasons, this keeps popping up. 13:57:38 [SEVERE] java.lang.NullPointerException 13:57:38 [SEVERE] at net.minecraft.server.NetworkListenThread.a(SourceFile:63) 13:57:38 [SEVERE] at net.minecraft.server.NetLoginHandler.a(NetLoginHandler.java:146) 13:57:38 [SEVERE] at net.minecraft.server.Packet254GetInfo.a(SourceFile:16) 13:57:38 [SEVERE] at net.minecraft.server.NetworkManager.b(NetworkManager.java:226) 13:57:38 [SEVERE] at net.minecraft.server.NetLoginHandler.a(NetLoginHandler.java:46) 13:57:38 [SEVERE] at net.minecraft.server.NetworkListenThread.a(SourceFile:94) 13:57:38 [SEVERE] at net.minecraft.server.MinecraftServer.w(MinecraftServer.java:516) 13:57:38 [SEVERE] at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:414) 13:57:38 [SEVERE] at net.minecraft.server.ThreadServerApplication.run(SourceFile:457) And I am on bukkit 1.0.0 on build 1530. And I have no plugins whatsoever.