java.lang.NullPointerException: Updating screen events

I dont know what to explain,i was just trying to put on a resourcepack
(i have another seperate bug for that)
and my graphics mess up,my resourcepack isnt on? i get a glitchy magenta screen with blacck lines on it for half a second before the crash

---- Minecraft Crash Report ----
// Quite honestly, I wouldn't worry myself about that.

Time: 02/02/14 17:01
Description: Updating screen events

java.lang.NullPointerException: Updating screen events
	at java.util.Arrays$ArrayList.<init>(Arrays.java:3369)
	at java.util.Arrays.asList(Arrays.java:3355)
	at byl.h(SourceFile:81)
	at byl.a(SourceFile:90)
	at bkb.t_(SourceFile:51)
	at bfk.a(SourceFile:205)
	at bcf.a(SourceFile:663)
	at bfa.a(SourceFile:185)
	at bfk.a(SourceFile:180)
	at bfk.d(SourceFile:242)
	at bfk.k(SourceFile:219)
	at bcf.p(SourceFile:1354)
	at bcf.ag(SourceFile:776)
	at bcf.f(SourceFile:730)
	at net.minecraft.client.main.Main.main(SourceFile:154)


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

-- Head --
Stacktrace:
	at java.util.Arrays$ArrayList.<init>(Arrays.java:3369)
	at java.util.Arrays.asList(Arrays.java:3355)
	at byl.h(SourceFile:81)
	at byl.a(SourceFile:90)
	at bkb.t_(SourceFile:51)
	at bfk.a(SourceFile:205)
	at bcf.a(SourceFile:663)
	at bfa.a(SourceFile:185)
	at bfk.a(SourceFile:180)
	at bfk.d(SourceFile:242)
	at bfk.k(SourceFile:219)

-- Affected screen --
Details:
	Screen name: bkb

-- Affected level --
Details:
	Level name: MpServer
	All players: 1 total; [bpg['321KOOL'/3521807, l='MpServer', x=209.54, y=67.62, z=102.58]]
	Chunk stats: MultiplayerChunkCache: 121, 121
	Level seed: 0
	Level generator: ID 01 - flat, ver 0. Features enabled: false
	Level generator options: 
	Level spawn location: 241.00,4.00,41.00 - World: (241,4,41), Chunk: (at 1,0,9 in 15,2; contains blocks 240,0,32 to 255,255,47), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)
	Level time: 105264 game time, 29406 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: creative (ID 1). Hardcore: false. Cheats: false
	Forced entities: 37 total; [wl['Chicken'/3521757, l='MpServer', x=188.44, y=65.00, z=35.66], wl['Chicken'/3521747, l='MpServer', x=140.44, y=65.00, z=169.59], wj['Bat'/4969746, l='MpServer', x=159.60, y=17.27, z=105.34], bpg['321KOOL'/3521807, l='MpServer', x=209.54, y=67.62, z=102.58], wj['Bat'/4745293, l='MpServer', x=213.41, y=63.10, z=89.75], wj['Bat'/5013196, l='MpServer', x=168.38, y=17.26, z=175.03], wj['Bat'/5005277, l='MpServer', x=168.26, y=16.75, z=174.02], wt['Pig'/3521785, l='MpServer', x=239.91, y=66.00, z=128.75], wj['Bat'/4991575, l='MpServer', x=162.69, y=15.79, z=170.09], zc['Villager'/3521784, l='MpServer', x=245.28, y=66.00, z=120.50], wt['Pig'/3521781, l='MpServer', x=236.78, y=66.00, z=128.09], wt['Pig'/3521780, l='MpServer', x=237.38, y=66.00, z=130.88], wt['Pig'/3521783, l='MpServer', x=238.63, y=66.00, z=128.22], wt['Pig'/3521782, l='MpServer', x=235.63, y=66.00, z=130.53], xp['item.item.egg'/4844171, l='MpServer', x=189.22, y=65.13, z=37.06], wt['Pig'/3521777, l='MpServer', x=238.78, y=66.00, z=131.91], zc['Villager'/3521776, l='MpServer', x=219.92, y=65.00, z=116.65], wt['Pig'/3521779, l='MpServer', x=238.09, y=66.00, z=127.09], wt['Pig'/3521778, l='MpServer', x=239.91, y=66.00, z=131.91], zc['Villager'/3521772, l='MpServer', x=209.16, y=65.00, z=107.50], zc['Villager'/3521773, l='MpServer', x=209.09, y=65.00, z=94.34], wt['Pig'/3521774, l='MpServer', x=215.59, y=65.00, z=139.88], xp['item.item.potato'/4918421, l='MpServer', x=206.84, y=65.13, z=136.78], wt['Pig'/3521775, l='MpServer', x=239.91, y=66.00, z=127.09], zc['Villager'/3521768, l='MpServer', x=208.88, y=65.00, z=95.58], zc['Villager'/3521769, l='MpServer', x=207.31, y=66.00, z=118.50], zc['Villager'/3521770, l='MpServer', x=234.50, y=66.00, z=94.50], zc['Villager'/3521771, l='MpServer', x=232.22, y=65.00, z=84.69], zc['Villager'/3521764, l='MpServer', x=209.78, y=66.00, z=111.50], zc['Villager'/3521765, l='MpServer', x=196.53, y=66.00, z=104.13], zc['Villager'/3521766, l='MpServer', x=207.75, y=65.00, z=93.44], zc['Villager'/3521767, l='MpServer', x=213.31, y=65.00, z=97.06], sv['entity.ItemFrame.name'/3521760, l='MpServer', x=220.50, y=75.50, z=93.06], zc['Villager'/3521761, l='MpServer', x=206.41, y=72.56, z=100.03], zc['Villager'/3521762, l='MpServer', x=217.50, y=66.00, z=102.22], wj['Bat'/4675771, l='MpServer', x=214.44, y=63.10, z=89.63], zc['Villager'/3521763, l='MpServer', x=209.68, y=66.00, z=130.51]]
	Retry entities: 0 total; []
	Server brand: vanilla
	Server type: Integrated singleplayer server
Stacktrace:
	at bne.a(SourceFile:300)
	at bcf.b(SourceFile:2015)
	at bcf.f(SourceFile:739)
	at net.minecraft.client.main.Main.main(SourceFile:154)

-- System Details --
Details:
	Minecraft Version: 14w05b
	Operating System: Linux (i386) version 2.6.32-53-generic
	Java Version: 1.6.0_27, Sun Microsystems Inc.
	Java VM Version: OpenJDK Server VM (mixed mode), Sun Microsystems Inc.
	Memory: 316028776 bytes (301 MB) / 553779200 bytes (528 MB) up to 954466304 bytes (910 MB)
	JVM Flags: 1 total; -Xmx1G
	IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
	Launched Version: 14w05b
	LWJGL: 2.9.1
	OpenGL: Mesa DRI Mobile Intel® GM45 Express Chipset GEM 20091221 2009Q4 x86/MMX/SSE2 GL version 2.1 Mesa 7.7.1, Tungsten Graphics, Inc
	GL Caps: Using GL 1.3 multitexturing.
Using framebuffer objects because ARB_framebuffer_object is supported and separate blending is supported.
Anisotropic filtering is supported and maximum anisotropy is 16.
Shaders are available because OpenGL 2.1 is supported.

	Is Modded: Probably not. Jar signature remains and client brand is untouched.
	Type: Client (map_client.txt)
	Resource Packs: []
	Current Language: ~~ERROR~~ NullPointerException: null
	Profiler Position: N/A (disabled)
	Anisotropic Filtering: Off (1)

please help me guys!

and also i cant change the report from BUG to CRASH,but that is not a bug