1.2012-09-21 01:55:12 [SEVERE] java.lang.NullPointerException
2.2012-09-21 01:55:12 [SEVERE] at net.minecraft.server.Chunk.d(Chunk.java:810)
3.2012-09-21 01:55:12 [SEVERE] at net.minecraft.server.World.g(World.java:1023)
4.2012-09-21 01:55:12 [SEVERE] at net.minecraft.server.WorldServer.g(WorldServer.java:308)
5.2012-09-21 01:55:12 [SEVERE] at net.minecraft.server.WorldServer.doTick(WorldServer.java:170)
6.2012-09-21 01:55:12 [SEVERE] at net.minecraft.server.MinecraftServer.q(MinecraftServer.java:558)
7.2012-09-21 01:55:12 [SEVERE] at net.minecraft.server.DedicatedServer.q(DedicatedServer.java:212)
8.2012-09-21 01:55:12 [SEVERE] at net.minecraft.server.MinecraftServer.p(MinecraftServer.java:474)
9.2012-09-21 01:55:12 [SEVERE] at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:406)
10.2012-09-21 01:55:12 [SEVERE] at net.minecraft.server.ThreadServerApplication.run(SourceFile:539)
11.2012-09-21 01:55:12 [SEVERE] Encountered an unexpected exception NullPointerException
12.java.lang.NullPointerException
13.at net.minecraft.server.Chunk.d(Chunk.java:810)
14.at net.minecraft.server.World.g(World.java:1023)
15.at net.minecraft.server.WorldServer.g(WorldServer.java:308)
16.at net.minecraft.server.WorldServer.doTick(WorldServer.java:170)
17.at net.minecraft.server.MinecraftServer.q(MinecraftServer.java:558)
18.at net.minecraft.server.DedicatedServer.q(DedicatedServer.java:212)
19.at net.minecraft.server.MinecraftServer.p(MinecraftServer.java:474)
20.at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:406)
21.at net.minecraft.server.ThreadServerApplication.run(SourceFile:539)