---- Minecraft Crash Report ----
// Ouch. That hurt :(

Time: 13-12-12 16:45
Description: Ticking memory connection

java.lang.ArrayIndexOutOfBoundsException: 4
	at qx.b(SourceFile:1520)
	at md.c(SourceFile:1213)
	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: 12w50a
	Operating System: Windows 8 (amd64) version 6.2
	Java Version: 1.7.0_10, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 103329392 bytes (98 MB) / 253755392 bytes (242 MB) up to 954466304 bytes (910 MB)
	JVM Flags: 2 total; -Xms128M -Xmx1024M
	AABB Pool Size: 2128 (119168 bytes; 0 MB) allocated, 1703 (95368 bytes; 0 MB) used
	Suspicious classes: No suspicious classes found.
	IntCache: cache: 0, tcache: 0, allocated: 3, tallocated: 63
	Profiler Position: N/A (disabled)
	Vec3 Pool Size: 2838 (158928 bytes; 0 MB) allocated, 1510 (84560 bytes; 0 MB) used
	Player Count: 1 / 8; [iq['Dyon123'/78104, l='Singleplayer', x=-29,96, y=63,00, z=267,25]]
	Type: Integrated Server (map_client.txt)
	Is Modded: Very likely; Jar signature invalidated