/summon Zombie ~ ~ ~ { Equipment:[ {id:276,tag:{ench:[ {id:16,lvl:2} , {id:306} , {id:307} , {id:308} , {id:309} ]}}],CustomName:"Guard",CustomNameVisible:1,Attributes:[{Name:generic.followRange,base:1}]}

Time: 16.09.13 21:15
Description: Ticking entity

java.lang.ArrayIndexOutOfBoundsException: 306
	at aca.a(SourceFile:104)
	at aca.a(SourceFile:112)
	at aca.a(SourceFile:139)
	at pd.c(SourceFile:820)
	at pd.d(SourceFile:836)
	at pd.a(SourceFile:584)
	at um.a(SourceFile:43)
	at uw.a(SourceFile:160)
	at vh.h(SourceFile:264)
	at add.a(SourceFile:1372)
	at km.a(SourceFile:479)
	at add.g(SourceFile:1350)
	at add.h(SourceFile:1257)
	at km.h(SourceFile:364)
	at net.minecraft.server.MinecraftServer.u(SourceFile:465)
	at net.minecraft.server.MinecraftServer.t(SourceFile:400)
	at bnz.t(SourceFile:124)
	at net.minecraft.server.MinecraftServer.run(SourceFile:334)
	at jb.run(SourceFile:577)


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

-- Head --
Stacktrace:
	at aca.a(SourceFile:104)
	at aca.a(SourceFile:112)
	at aca.a(SourceFile:139)
	at pd.c(SourceFile:820)
	at pd.d(SourceFile:836)
	at pd.a(SourceFile:584)
	at um.a(SourceFile:43)
	at uw.a(SourceFile:160)
	at vh.h(SourceFile:264)
	at add.a(SourceFile:1372)
	at km.a(SourceFile:479)
	at add.g(SourceFile:1350)

-- Entity being ticked --
Details:
	Entity Type: Arrow (vh)
	Entity ID: 380919
	Entity Name: arrow
	Entity's Exact location: -101,19, 8,45, 309,15
	Entity's Block location: World: (-102,8,309), Chunk: (at 10,0,5 in -7,19; contains blocks -112,0,304 to -97,255,319), Region: (-1,0; contains chunks -32,0 to -1,31, blocks -512,0,0 to -1,255,511)
	Entity's Momentum: 2,51, -0,12, 1,56
Stacktrace:
	at add.h(SourceFile:1257)
	at km.h(SourceFile:364)

-- Affected level --
Details:
	Level name: SnapshotTesting
	All players: 1 total; [kp['_lion123'/48, l='SnapshotTesting', x=-99,94, y=8,00, z=309,63]]
	Chunk stats: ServerChunkCache: 646 Drop: 0
	Level seed: 6884047296566967344
	Level generator: ID 01 - flat, ver 0. Features enabled: false
	Level generator options: 2;7,2x3,2;1;village
	Level spawn location: World: (-87,4,265), Chunk: (at 9,0,9 in -6,16; contains blocks -96,0,256 to -81,255,271), Region: (-1,0; contains chunks -32,0 to -1,31, blocks -512,0,0 to -1,255,511)
	Level time: 36339 game time, 20523 day time
	Level dimension: 0
	Level storage version: 0x04ABD - Anvil
	Level weather: Rain time: 8843 (now: false), thunder time: 8843 (now: false)
	Level game mode: Game mode: survival (ID 0). Hardcore: false. Cheats: true
Stacktrace:
	at net.minecraft.server.MinecraftServer.u(SourceFile:465)
	at net.minecraft.server.MinecraftServer.t(SourceFile:400)
	at bnz.t(SourceFile:124)
	at net.minecraft.server.MinecraftServer.run(SourceFile:334)
	at jb.run(SourceFile:577)

-- System Details --
Details:
	Minecraft Version: 13w37b
	Operating System: Windows 7 (amd64) version 6.1
	Java Version: 1.7.0_40-ea, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 114651408 bytes (109 MB) / 311164928 bytes (296 MB) up to 954466304 bytes (910 MB)
	JVM Flags: 2 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx1G
	AABB Pool Size: 755 (42280 bytes; 0 MB) allocated, 596 (33376 bytes; 0 MB) used
	IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
	Profiler Position: N/A (disabled)
	Vec3 Pool Size: 110 (6160 bytes; 0 MB) allocated, 84 (4704 bytes; 0 MB) used
	Player Count: 1 / 8; [kp['_lion123'/48, l='Stealth Missions', x=-99,94, y=8,00, z=309,63]]
	Type: Integrated Server (map_client.txt)
	Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.