---- Minecraft Crash Report ----
// You're mean.

Time: 21/12/12 15:47
Description: Ticking memory connection

java.lang.NullPointerException
	at ur.f(SourceFile:129)
	at ur.h(SourceFile:143)
	at qw.a(SourceFile:219)
	at px.c_(SourceFile:189)
	at qx.r(SourceFile:388)
	at qx.c(SourceFile:380)
	at md.j_(SourceFile:540)
	at qx.j_(SourceFile:200)
	at iq.g(SourceFile:175)
	at iv.a(SourceFile:199)
	at eb.a(SourceFile:136)
	at cf.b(SourceFile:55)
	at iv.d(SourceFile:57)
	at iw.b(SourceFile:39)
	at bec.b(SourceFile:84)
	at net.minecraft.server.MinecraftServer.r(SourceFile:762)
	at net.minecraft.server.MinecraftServer.q(SourceFile:679)
	at bdz.q(SourceFile:117)
	at net.minecraft.server.MinecraftServer.run(SourceFile:613)
	at fy.run(SourceFile:849)


A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------

-- System Details --
Details:
	Minecraft Version: 1.4.6
	Operating System: Windows XP (x86) version 5.1
	Java Version: 1.7.0_09, Oracle Corporation
	Java VM Version: Java HotSpot(TM) Client VM (mixed mode), Oracle Corporation
	Memory: 287466304 bytes (274 MB) / 670019584 bytes (638 MB) up to 1037959168 bytes (989 MB)
	JVM Flags: 2 total; -Xms512m -Xmx1024m
	AABB Pool Size: 4621 (258776 bytes; 0 MB) allocated, 4428 (247968 bytes; 0 MB) used
	Suspicious classes: No suspicious classes found.
	IntCache: cache: 0, tcache: 0, allocated: 1, tallocated: 63
	Profiler Position: N/A (disabled)
	Vec3 Pool Size: 1399 (78344 bytes; 0 MB) allocated, 1361 (76216 bytes; 0 MB) used
	Player Count: 1 / 8; [iq['MisterSanderson'/898833, l='Sarnaut', x=-217,40, y=73,00, z=91,09]]
	Type: Integrated Server (map_client.txt)
	Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.