World fails to appear after selection.

---- Minecraft Crash Report ----
// Ooh. Shiny.

Time: 7/4/13 6:00 PM
Description: Registering texture

java.lang.OutOfMemoryError: unable to create new native thread
	at java.lang.Thread.start0(Native Method)
	at java.lang.Thread.start(Unknown Source)
	at bhr.a(SourceFile:91)
	at bib.a(SourceFile:69)
	at bej.a(SourceFile:81)
	at bej.a(SourceFile:68)
	at bej.k(SourceFile:39)
	at bej.<init>(SourceFile:28)
	at bem.<init>(SourceFile:39)
	at bcx.<init>(SourceFile:28)
	at bct.a(SourceFile:277)
	at atn.a(SourceFile:1508)
	at atn.a(SourceFile:1458)
	at bcn.a(SourceFile:149)
	at eo.a(SourceFile:71)
	at cm.b(SourceFile:64)
	at atn.k(SourceFile:1399)
	at atn.S(SourceFile:662)
	at atn.d(SourceFile:618)
	at net.minecraft.client.main.Main.main(SourceFile:101)


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

-- Head --
Stacktrace:
	at java.lang.Thread.start0(Native Method)
	at java.lang.Thread.start(Unknown Source)
	at bhr.a(SourceFile:91)

-- Resource location being registered --
Details:
	Resource location: minecraft:skins/jumping_jimmy
	Texture object class: bhr
Stacktrace:
	at bib.a(SourceFile:69)
	at bej.a(SourceFile:81)
	at bej.a(SourceFile:68)
	at bej.k(SourceFile:39)
	at bej.<init>(SourceFile:28)
	at bem.<init>(SourceFile:39)
	at bcx.<init>(SourceFile:28)
	at bct.a(SourceFile:277)
	at atn.a(SourceFile:1508)
	at atn.a(SourceFile:1458)
	at bcn.a(SourceFile:149)
	at eo.a(SourceFile:71)
	at cm.b(SourceFile:64)

-- Affected level --
Details:
	Level name: MpServer
	All players: 0 total; []
	Chunk stats: MultiplayerChunkCache: 0
	Level seed: 0
	Level generator: ID 00 - default, ver 1. Features enabled: false
	Level generator options: 
	Level spawn location: World: (8,64,8), Chunk: (at 8,4,8 in 0,0; contains blocks 0,0,0 to 15,255,15), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)
	Level time: 0 game time, 0 day time
	Level dimension: 0
	Level storage version: 0x00000 - Unknown?
	Level weather: Rain time: 0 (now: false), thunder time: 0 (now: false)
	Level game mode: Game mode: survival (ID 0). Hardcore: false. Cheats: false
	Forced entities: 0 total; []
	Retry entities: 0 total; []
Stacktrace:
	at bcu.a(SourceFile:284)
	at atn.b(SourceFile:1743)
	at atn.d(SourceFile:627)
	at net.minecraft.client.main.Main.main(SourceFile:101)

-- System Details --
Details:
	Minecraft Version: 1.6.1
	Operating System: Windows XP (x86) version 5.1
	Java Version: 1.6.0_31, Sun Microsystems Inc.
	Java VM Version: Java HotSpot(TM) Client VM (mixed mode), Sun Microsystems Inc.
	Memory: 165773528 bytes (158 MB) / 317902848 bytes (303 MB) up to 1037959168 bytes (989 MB)
	JVM Flags: 1 total; -Xmx1G
	AABB Pool Size: 10816 (605696 bytes; 0 MB) allocated, 10816 (605696 bytes; 0 MB) used
	Suspicious classes: No suspicious classes found.
	IntCache: cache: 0, tcache: 0, allocated: 3, tallocated: 63
	Launched Version: 1.6.1
	LWJGL: 2.9.0
	OpenGL: RADEON XPRESS 200M Series SW TCL x86/MMX/3DNow!/SSE2 GL version 1.4.5523 WinXP Release, ATI Technologies Inc.
	Is Modded: Probably not. Jar signature remains and client brand is untouched.
	Type: Client (map_client.txt)
	Resource Pack: Default
	Profiler Position: N/A (disabled)
	Vec3 Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used