Joining Into Server But Suddenly Crashing For No Reason

-- Head --
Stacktrace:
	at fq.c(SourceFile:102)
	at biv.a(SourceFile:515)
	at fq.a(SourceFile:97)
	at fq.a(SourceFile:15)
	at ef.a(SourceFile:164)
	at biy.e(SourceFile:212)

-- Affected level --
Details:
	Level name: MpServer
	All players: 1 total; [bje['NoNowGetOut'/28670150, l='MpServer', x=8.50, y=66.62, z=8.50]]
	Chunk stats: MultiplayerChunkCache: 0, 0
	Level seed: 0
	Level generator: ID 01 - flat, ver 0. Features enabled: false
	Level generator options: 
	Level spawn location: World: (-3712,4,3713), Chunk: (at 0,0,1 in -232,232; contains blocks -3712,0,3712 to -3697,255,3727), Region: (-8,7; contains chunks -256,224 to -225,255, blocks -4096,0,3584 to -3585,255,4095)
	Level time: 1 game time, 1 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: 2 total; [bje['NoNowGetOut'/28670150, l='MpServer', x=8.50, y=66.62, z=8.50], us['Chicken'/-2147483335, l='MpServer', x=-3691.31, y=5.00, z=3716.59]]
	Retry entities: 0 total; []
	Server brand: craftbukkit
	Server type: Non-integrated multiplayer server
Stacktrace:
	at biz.a(SourceFile:284)
	at azd.b(SourceFile:1951)
	at azd.e(SourceFile:718)
	at net.minecraft.client.main.Main.main(SourceFile:103)

-- System Details --
Details:
	Minecraft Version: 1.7.2
	Operating System: Windows 8 (x86) version 6.2
	Java Version: 1.7.0_45, Oracle Corporation
	Java VM Version: Java HotSpot(TM) Client VM (mixed mode, sharing), Oracle Corporation
	Memory: 35472248 bytes (33 MB) / 94380032 bytes (90 MB) up to 518979584 bytes (494 MB)
	JVM Flags: 2 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx512M
	AABB Pool Size: 30227 (1692712 bytes; 1 MB) allocated, 2 (112 bytes; 0 MB) used
	IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
	Launched Version: 1.7.2
	LWJGL: 2.9.0
	OpenGL: AMD Radeon HD 7420G GL version 4.2.11764 Compatibility Profile Context, ATI Technologies Inc.
	Is Modded: Probably not. Jar signature remains and client brand is untouched.
	Type: Client (map_client.txt)
	Resource Packs: []
	Current Language: English (US)
	Profiler Position: N/A (disabled)
	Vec3 Pool Size: 28 (1568 bytes; 0 MB) allocated, 14 (784 bytes; 0 MB) used
	Anisotropic Filtering: Off (1)