[16:08:30] [Server thread/WARN]: Failed to handle packet for /127.0.0.1:55839
java.lang.NullPointerException
	at org.apache.logging.log4j.core.config.AppenderControl.callAppender(AppenderControl.java:101) ~[minecraft_server.jar:git-Spigot-1574]
	at org.apache.logging.log4j.core.config.LoggerConfig.callAppenders(LoggerConfig.java:425) ~[minecraft_server.jar:git-Spigot-1574]
	at org.apache.logging.log4j.core.config.LoggerConfig.log(LoggerConfig.java:406) ~[minecraft_server.jar:git-Spigot-1574]
	at org.apache.logging.log4j.core.config.LoggerConfig.log(LoggerConfig.java:367) [minecraft_server.jar:git-Spigot-1574]
	at org.apache.logging.log4j.core.Logger.log(Logger.java:110) [minecraft_server.jar:git-Spigot-1574]
	at org.apache.logging.log4j.spi.AbstractLogger.error(AbstractLogger.java:609) [minecraft_server.jar:git-Spigot-1574]
	at org.bukkit.craftbukkit.v1_7_R4.util.ForwardLogHandler.publish(ForwardLogHandler.java:33) ~[minecraft_server.jar:git-Spigot-1574]
	at java.util.logging.Logger.log(Unknown Source) ~[?:1.7.0_25]
	at java.util.logging.Logger.doLog(Unknown Source) ~[?:1.7.0_25]
	at java.util.logging.Logger.log(Unknown Source) ~[?:1.7.0_25]
	at net.minecraft.server.v1_7_R4.PlayerConnection.handleCommand(PlayerConnection.java:1019) ~[minecraft_server.jar:git-Spigot-1574]
	at net.minecraft.server.v1_7_R4.PlayerConnection.a(PlayerConnection.java:850) ~[minecraft_server.jar:git-Spigot-1574]
	at net.minecraft.server.v1_7_R4.PacketPlayInChat.a(PacketPlayInChat.java:28) ~[minecraft_server.jar:git-Spigot-1574]
	at net.minecraft.server.v1_7_R4.PacketPlayInChat.handle(PacketPlayInChat.java:65) ~[minecraft_server.jar:git-Spigot-1574]
	at net.minecraft.server.v1_7_R4.NetworkManager.a(NetworkManager.java:184) ~[minecraft_server.jar:git-Spigot-1574]
	at net.minecraft.server.v1_7_R4.ServerConnection.c(ServerConnection.java:81) [minecraft_server.jar:git-Spigot-1574]
	at net.minecraft.server.v1_7_R4.MinecraftServer.v(MinecraftServer.java:731) [minecraft_server.jar:git-Spigot-1574]
	at net.minecraft.server.v1_7_R4.DedicatedServer.v(DedicatedServer.java:289) [minecraft_server.jar:git-Spigot-1574]
	at net.minecraft.server.v1_7_R4.MinecraftServer.u(MinecraftServer.java:584) [minecraft_server.jar:git-Spigot-1574]
	at net.minecraft.server.v1_7_R4.MinecraftServer.run(MinecraftServer.java:490) [minecraft_server.jar:git-Spigot-1574]
	at net.minecraft.server.v1_7_R4.ThreadServerApplication.run(SourceFile:628) [minecraft_server.jar:git-Spigot-1574]
[16:08:31] [Server thread/INFO]: Derugo lost connection: Internal server error