2011-03-11 09:01:07 [WARNING] Failed to handle packet: java.lang.NullPointerException
java.lang.NullPointerException
	at net.minecraft.server.BlockRedstoneWire.a(BlockRedstoneWire.java:283)
	at net.minecraft.server.World.k(World.java:369)
	at net.minecraft.server.World.h(World.java:349)
	at net.minecraft.server.World.f(World.java:317)
	at net.minecraft.server.World.e(World.java:293)
	at net.minecraft.server.ItemInWorldManager.c(ItemInWorldManager.java:95)
	at net.minecraft.server.ItemInWorldManager.d(ItemInWorldManager.java:122)
	at net.minecraft.server.ItemInWorldManager.a(ItemInWorldManager.java:59)
	at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:360)
	at net.minecraft.server.Packet14BlockDig.a(SourceFile:42)
	at net.minecraft.server.NetworkManager.a(SourceFile:230)
	at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:76)
	at net.minecraft.server.NetworkListenThread.a(SourceFile:100)
	at net.minecraft.server.MinecraftServer.h(MinecraftServer.java:357)
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:272)
	at net.minecraft.server.ThreadServerApplication.run(SourceFile:366)