"Server thread" prio=6 tid=0x00000000213e4000 nid=0xb0c runnable [0x000000003106e000]
   java.lang.Thread.State: RUNNABLE
	at net.minecraft.world.World.func_72945_a(World.java:1680)
	at net.minecraft.entity.Entity.func_70091_d(Entity.java:802)
	at net.minecraft.entity.EntityLivingBase.func_70612_e(EntityLivingBase.java:1691)
	at net.minecraft.entity.EntityLivingBase.func_70636_d(EntityLivingBase.java:2033)
	at net.minecraft.entity.EntityLiving.func_70636_d(EntityLiving.java:441)
	at net.minecraft.entity.monster.EntityMob.func_70636_d(SourceFile:24)
	at net.minecraft.entity.EntityLivingBase.func_70071_h_(EntityLivingBase.java:1826)
	at net.minecraft.entity.EntityLiving.func_70071_h_(EntityLiving.java:257)
	at net.minecraft.entity.monster.EntityMob.func_70071_h_(SourceFile:29)
	at net.minecraft.entity.monster.EntitySpider.func_70071_h_(SourceFile:30)
	at net.minecraft.world.World.func_72866_a(World.java:2350)
	at net.minecraft.world.WorldServer.func_72866_a(WorldServer.java:719)
	at net.minecraft.world.World.func_72870_g(World.java:2311)
	at net.minecraft.world.World.func_72939_s(World.java:2157)
	at net.minecraft.world.WorldServer.func_72939_s(WorldServer.java:550)
	at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:668)
	at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:587)
	at net.minecraft.server.integrated.IntegratedServer.func_71217_p(IntegratedServer.java:129)
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:484)
	at net.minecraft.server.ThreadMinecraftServer.run(SourceFile:583)