---- Minecraft Crash Report ----
// Sorry :(

Time: 3/7/13 10:23 PM
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: 1.4.7
	Operating System: Mac OS X (x86_64) version 10.6.8
	Java Version: 1.6.0_43, Apple Inc.
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Apple Inc.
	Memory: 355933544 bytes (339 MB) / 581435392 bytes (554 MB) up to 1065025536 bytes (1015 MB)
	JVM Flags: 2 total; -Xms512m -Xmx1024m
	AABB Pool Size: 376 (21056 bytes; 0 MB) allocated, 140 (7840 bytes; 0 MB) used
	Suspicious classes: No suspicious classes found.
	IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
	Profiler Position: N/A (disabled)
	Vec3 Pool Size: 47 (2632 bytes; 0 MB) allocated, 17 (952 bytes; 0 MB) used
	Player Count: 1 / 8; [iq['QuantumAdder'/6669, l='Test World', x=176.29, y=56.00, z=-792.31]]
	Type: Integrated Server (map_client.txt)
	Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.