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

Time: 1/12/13 12:04 AM
Description: Ticking memory connection

java.lang.ArrayIndexOutOfBoundsException: 4
	at qx.b(SourceFile:1519)
	at md.c(SourceFile:1214)
	at qx.c(SourceFile:357)
	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_29, Apple Inc.
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Apple Inc.
	Memory: 504017184 bytes (480 MB) / 554369024 bytes (528 MB) up to 1069416448 bytes (1019 MB)
	JVM Flags: 3 total; -Xbootclasspath/a:/System/Library/PrivateFrameworks/JavaApplicationLauncher.framework/Resources/LauncherSupport.jar -Xms512M -Xmx1024M
	AABB Pool Size: 95 (5320 bytes; 0 MB) allocated, 29 (1624 bytes; 0 MB) used
	Suspicious classes: No suspicious classes found.
	IntCache: cache: 9, tcache: 0, allocated: 3, tallocated: 63
	Profiler Position: N/A (disabled)
	Vec3 Pool Size: 9 (504 bytes; 0 MB) allocated, 4 (224 bytes; 0 MB) used
	Player Count: 1 / 8; [iq['mihko9'/2, l='world', x=982.13, y=74.14, z=4.33]]
	Type: Integrated Server (map_client.txt)
	Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.