---- Minecraft Crash Report ----
// Why did you do that?

Time: 11/27/12 6:04 PM
Description: Exception in server tick loop

java.lang.NullPointerException
	at cf.b(SourceFile:103)
	at cf.a(SourceFile:35)
	at iv.b(SourceFile:437)
	at gm.a(SourceFile:72)
	at bdr.b(SourceFile:73)
	at net.minecraft.server.MinecraftServer.r(SourceFile:769)
	at net.minecraft.server.MinecraftServer.q(SourceFile:686)
	at bdo.q(SourceFile:117)
	at net.minecraft.server.MinecraftServer.run(SourceFile:620)
	at fy.run(SourceFile:856)


A detailed walkthrough of the error, its code path and all known details is as follows:
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-- System Details --
Details:
	Minecraft Version: 1.4.4
	Operating System: Windows 7 (x86) version 6.1
	Java Version: 1.7.0_03, Oracle Corporation
	Java VM Version: Java HotSpot(TM) Client VM (mixed mode), Oracle Corporation
	Memory: 319800392 bytes (304 MB) / 658714624 bytes (628 MB) up to 1037959168 bytes (989 MB)
	JVM Flags: 2 total; -Xms512m -Xmx1024m
	AABB Pool Size: 210238 (11773328 bytes; 11 MB) allocated, 210238 (11773328 bytes; 11 MB) used
	Suspicious classes: No suspicious classes found.
	IntCache: cache: 0, tcache: 3, allocated: 5, tallocated: 59
	Profiler Position: N/A (disabled)
	Vec3 Pool Size: 21736 (1217216 bytes; 1 MB) allocated, 21736 (1217216 bytes; 1 MB) used
	Player Count: 0 / 8; []
	Type: Integrated Server (map_client.txt)
	Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.