---- Minecraft Crash Report ----
// I blame Dinnerbone.

Time: 5/12/13 8:59 AM
Description: Exception ticking world

java.util.ConcurrentModificationException
	at java.util.HashMap$HashIterator.nextEntry(HashMap.java:806)
	at java.util.HashMap$KeyIterator.next(HashMap.java:841)
	at iy.c(SourceFile:198)
	at iz.b(SourceFile:122)
	at net.minecraft.server.MinecraftServer.r(SourceFile:454)
	at hz.r(SourceFile:256)
	at net.minecraft.server.MinecraftServer.q(SourceFile:397)
	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.HashMap$HashIterator.nextEntry(HashMap.java:806)
	at java.util.HashMap$KeyIterator.next(HashMap.java:841)
	at iy.c(SourceFile:198)
	at iz.b(SourceFile:122)

-- Affected level --
Details:
	Level name: world-survival
	All players: 0 total; []
	Chunk stats: ServerChunkCache: 1004 Drop: 374
	Level seed: -3951299295887451133
	Level generator: ID 00 - default, ver 1. Features enabled: true
	Level generator options: 
	Level spawn location: World: (-184,64,9), Chunk: (at 8,4,9 in -12,0; contains blocks -192,0,0 to -177,255,15), Region: (-1,0; contains chunks -32,0 to -1,31, blocks -512,0,0 to -1,255,511)
	Level time: 187018234 game time, 601481 day time
	Level dimension: 0
	Level storage version: 0x04ABD - Anvil
	Level weather: Rain time: 142762 (now: false), thunder time: 102161 (now: false)
	Level game mode: Game mode: survival (ID 0). Hardcore: false. Cheats: false
Stacktrace:
	at net.minecraft.server.MinecraftServer.r(SourceFile:454)
	at hz.r(SourceFile:256)
	at net.minecraft.server.MinecraftServer.q(SourceFile:397)
	at net.minecraft.server.MinecraftServer.run(SourceFile:331)
	at gp.run(SourceFile:573)

-- System Details --
Details:
	Minecraft Version: 1.5.2
	Operating System: Linux (amd64) version 2.6.32-45-generic
	Java Version: 1.7.0_03, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 92175840 bytes (87 MB) / 216530944 bytes (206 MB) up to 954466304 bytes (910 MB)
	JVM Flags: 2 total; -Xmx1024M -Xms192M
	AABB Pool Size: 2489 (139384 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
	Suspicious classes: No suspicious classes found.
	IntCache: cache: 2, tcache: 0, allocated: 1, tallocated: 63
	Profiler Position: N/A (disabled)
	Vec3 Pool Size: 1555 (87080 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
	Player Count: 0 / 10; []
	Is Modded: Unknown (can't tell)
	Type: Dedicated Server (map_server.txt)