---- Minecraft Crash Report ----
// Hi. I'm Minecraft, and I'm a crashaholic.

Time: 18.12.12 15:18
Description: Ticking entity

java.lang.ClassCastException: qn cannot be cast to iq
	at qz.j_(SourceFile:276)
	at yc.a(SourceFile:1319)
	at in.a(SourceFile:450)
	at yc.g(SourceFile:1297)
	at yc.h(SourceFile:1196)
	at in.h(SourceFile:362)
	at net.minecraft.server.MinecraftServer.r(SourceFile:744)
	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:
---------------------------------------------------------------------------------------

-- Head --
Stacktrace:
	at qz.j_(SourceFile:276)
	at yc.a(SourceFile:1319)
	at in.a(SourceFile:450)
	at yc.g(SourceFile:1297)

-- Entity being ticked --
Details:
	Entity Type: Arrow (qz)
	Entity ID: 425
	Name: arrow
	Exact location: -0,64, 65,43, 111,11
	Block location: World: (-1,65,111), Chunk: (at 15,4,15 in -1,6; contains blocks -16,0,96 to -1,255,111), Region: (-1,0; contains chunks -32,0 to -1,31, blocks -512,0,0 to -1,255,511)
	Momentum: 0,40, -1,24, -1,24
Stacktrace:
	at yc.h(SourceFile:1196)
	at in.h(SourceFile:362)

-- Affected level --
Details:
	Level name: Epic Jump Map Christmas Trolling
	All players: 1 total; [iq['rebane2001'/257, l='Epic Jump Map Christmas Trolling', x=-0,86, y=64,00, z=111,68]]
	Chunk stats: ServerChunkCache: 709 Drop: 0
	Level seed: 6545888647059296933
	Level generator: ID 00 - default, ver 1. Features enabled: true
	Level generator options: 
	Level spawn location: World: (84,227,112), Chunk: (at 4,14,0 in 5,7; contains blocks 80,0,112 to 95,255,127), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)
	Level time: 6731881 game time, 15873 day time
	Level dimension: 0
	Level storage version: 0x04ABD - Anvil
	Level weather: Rain time: 103488 (now: false), thunder time: 11550 (now: false)
	Level game mode: Game mode: survival (ID 0). Hardcore: false. Cheats: true
Stacktrace:
	at net.minecraft.server.MinecraftServer.r(SourceFile:744)
	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)

-- System Details --
Details:
	Minecraft Version: 1.4.6
	Operating System: Windows NT (unknown) (x86) version 6.2
	Java Version: 1.7.0_05, Oracle Corporation
	Java VM Version: Java HotSpot(TM) Client VM (mixed mode), Oracle Corporation
	Memory: 371494496 bytes (354 MB) / 519110656 bytes (495 MB) up to 1037959168 bytes (989 MB)
	JVM Flags: 2 total; -Xms512m -Xmx1024m
	AABB Pool Size: 3631 (203336 bytes; 0 MB) allocated, 3326 (186256 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: 1602 (89712 bytes; 0 MB) allocated, 1324 (74144 bytes; 0 MB) used
	Player Count: 1 / 8; [iq['rebane2001'/257, l='Epic Jump Map Christmas Trolling', x=-0,86, y=64,00, z=111,68]]
	Type: Integrated Server (map_client.txt)
	Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.