---- Minecraft Crash Report ----
// Daisy, daisy...

Time: 3/8/13 12:47 PM
Description: Ticking entity

java.lang.IllegalArgumentException: n must be positive
	at java.util.Random.nextInt(Unknown Source)
	at yv.a(SourceFile:166)
	at rv.m(SourceFile:76)
	at rv.a(SourceFile:106)
	at sb.a(SourceFile:96)
	at nl.bq(SourceFile:41)
	at ng.c(SourceFile:1155)
	at rv.c(SourceFile:26)
	at ng.l_(SourceFile:551)
	at rv.l_(SourceFile:31)
	at sb.l_(SourceFile:29)
	at zv.a(SourceFile:1336)
	at iz.a(SourceFile:508)
	at zv.g(SourceFile:1314)
	at zv.h(SourceFile:1221)
	at iz.h(SourceFile:390)
	at net.minecraft.server.MinecraftServer.r(SourceFile:462)
	at net.minecraft.server.MinecraftServer.q(SourceFile:397)
	at bja.q(SourceFile:122)
	at net.minecraft.server.MinecraftServer.run(SourceFile:331)
	at gp.run(SourceFile:573)


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

-- Head --
Stacktrace:
	at java.util.Random.nextInt(Unknown Source)
	at yv.a(SourceFile:166)
	at rv.m(SourceFile:76)
	at rv.a(SourceFile:106)
	at sb.a(SourceFile:96)
	at nl.bq(SourceFile:41)
	at ng.c(SourceFile:1155)
	at rv.c(SourceFile:26)
	at ng.l_(SourceFile:551)
	at rv.l_(SourceFile:31)
	at sb.l_(SourceFile:29)
	at zv.a(SourceFile:1336)
	at iz.a(SourceFile:508)
	at zv.g(SourceFile:1314)

-- Entity being ticked --
Details:
	Entity Type: Spider (sb)
	Entity ID: 565726
	Entity Name: Spider
	Entity's Exact location: -8.99, 133.10, -36.30
	Entity's Block location: World: (-9,133,-37), Chunk: (at 7,8,11 in -1,-3; contains blocks -16,0,-48 to -1,255,-33), Region: (-1,-1; contains chunks -32,-32 to -1,-1, blocks -512,0,-512 to -1,255,-1)
	Entity's Momentum: 0.09, -0.08, 0.00
Stacktrace:
	at zv.h(SourceFile:1221)
	at iz.h(SourceFile:390)

-- Affected level --
Details:
	Level name: Super Hostile - Inferno Mines
	All players: 1 total; [jc['AlexBogues'/12, l='Super Hostile - Inferno Mines', x=-8.34, y=132.00, z=-37.60]]
	Chunk stats: ServerChunkCache: 827 Drop: 0
	Level seed: 280886973414363531
	Level generator: ID 00 - default, ver 1. Features enabled: true
	Level generator options: 
	Level spawn location: World: (27,135,703), Chunk: (at 11,8,15 in 1,43; contains blocks 16,0,688 to 31,255,703), Region: (0,1; contains chunks 0,32 to 31,63, blocks 0,0,512 to 511,255,1023)
	Level time: 1667493 game time, 474007 day time
	Level dimension: 0
	Level storage version: 0x04ABD - Anvil
	Level weather: Rain time: 15469 (now: false), thunder time: 2616 (now: false)
	Level game mode: Game mode: survival (ID 0). Hardcore: false. Cheats: false
Stacktrace:
	at net.minecraft.server.MinecraftServer.r(SourceFile:462)
	at net.minecraft.server.MinecraftServer.q(SourceFile:397)
	at bja.q(SourceFile:122)
	at net.minecraft.server.MinecraftServer.run(SourceFile:331)
	at gp.run(SourceFile:573)

-- System Details --
Details:
	Minecraft Version: 1.5
	Operating System: Windows 8 (amd64) version 6.2
	Java Version: 1.7.0_07, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 857955016 bytes (818 MB) / 2012151808 bytes (1918 MB) up to 2012151808 bytes (1918 MB)
	JVM Flags: 2 total; -Xms2048m -Xmx2048m
	AABB Pool Size: 2880 (161280 bytes; 0 MB) allocated, 2447 (137032 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: 526 (29456 bytes; 0 MB) allocated, 433 (24248 bytes; 0 MB) used
	Player Count: 1 / 8; [jc['AlexBogues'/12, l='Super Hostile - Inferno Mines', x=-8.34, y=132.00, z=-37.60]]
	Type: Integrated Server (map_client.txt)
	Is Modded: Very likely; Jar signature invalidated