10:14:22 PM [WARNING] [Server] The main thread failed to respond after 10 seconds
10:14:22 PM [WARNING] [Server] What follows is the stack trace of the main thread
10:14:23 PM [WARNING] [Server]    at net.minecraft.server.v1_5_R2.World.isLoaded(World.java:237)
10:14:23 PM [WARNING] [Server]    at net.minecraft.server.v1_5_R2.World.getCubes(World.java:1022)
10:14:23 PM [WARNING] [Server]    at net.minecraft.server.v1_5_R2.Entity.move(Entity.java:560)
10:14:23 PM [WARNING] [Server]    at net.minecraft.server.v1_5_R2.EntityLiving.e(EntityLiving.java:1096)
10:14:23 PM [WARNING] [Server]    at net.minecraft.server.v1_5_R2.EntityLiving.c(EntityLiving.java:1345)
10:14:23 PM [WARNING] [Server]    at net.minecraft.server.v1_5_R2.EntityMonster.c(EntityMonster.java:20)
10:14:23 PM [WARNING] [Server]    at net.minecraft.server.v1_5_R2.EntityEnderman.c(EntityEnderman.java:176)
10:14:23 PM [WARNING] [Server]    at net.minecraft.server.v1_5_R2.EntityLiving.l_(EntityLiving.java:542)
10:14:23 PM [WARNING] [Server]    at net.minecraft.server.v1_5_R2.EntityMonster.l_(EntityMonster.java:24)
10:14:23 PM [WARNING] [Server]    at net.minecraft.server.v1_5_R2.World.entityJoinedWorld(World.java:1356)
10:14:23 PM [WARNING] [Server]    at net.minecraft.server.v1_5_R2.WorldServer.entityJoinedWorld(WorldServer.java:614)
10:14:23 PM [WARNING] [Server]    at net.minecraft.server.v1_5_R2.World.playerJoinedWorld(World.java:1337)
10:14:23 PM [WARNING] [Server]    at net.minecraft.server.v1_5_R2.World.tickEntities(World.java:1225)
10:14:23 PM [WARNING] [Server]    at net.minecraft.server.v1_5_R2.WorldServer.tickEntities(WorldServer.java:480)
10:14:24 PM [WARNING] [Server]    at net.minecraft.server.v1_5_R2.MinecraftServer.r(MinecraftServer.java:562)
10:14:24 PM [WARNING] [Server]    at net.minecraft.server.v1_5_R2.DedicatedServer.r(DedicatedServer.java:225)
10:14:24 PM [WARNING] [Server]    at net.minecraft.server.v1_5_R2.MinecraftServer.q(MinecraftServer.java:476)
10:14:24 PM [WARNING] [Server]    at net.minecraft.server.v1_5_R2.MinecraftServer.run(MinecraftServer.java:409)
10:14:24 PM [WARNING] [Server]    at net.minecraft.server.v1_5_R2.ThreadServerApplication.run(SourceFile:573)