Minecraft has stopped running because it encountered a problem; Unexpected error

--- BEGIN ERROR REPORT c9a3e1d5 --------
Generated 11/11/12 11.39

- Minecraft Version: 1.4.2
- Operating System: Mac OS X (x86_64) version 10.7.5
- Java Version: 1.6.0_35, Apple Inc.
- Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Apple Inc.
- Memory: 464709928 bytes (443 MB) / 581435392 bytes (554 MB) up to 1065025536 bytes (1015 MB)
- JVM Flags: 3 total; -Xbootclasspath/a:/System/Library/PrivateFrameworks/JavaApplicationLauncher.framework/Resources/LauncherSupport.jar -Xms512M -Xmx1024M
- AABB Pool Size: 21636 (1211616 bytes; 1 MB) allocated, 3 (168 bytes; 0 MB) used
- LWJGL: 2.4.2
- OpenGL: ATI Radeon HD 4670 OpenGL Engine GL version 2.1 ATI-7.32.12, ATI Technologies Inc.
- Is Modded: Probably not
- Type: Client
- Texture Pack: Default
- Profiler Position: N/A (disabled)
- Vec3 Pool Size: 1569 (87864 bytes; 0 MB) allocated, 18 (1008 bytes; 0 MB) used
- World MpServer Entities: 28 total; [axc['Tommasino2002'/343, l='MpServer', x=-297,27, y=65,62, z=219,70], pv['Pesciolino d'Argento'/200, l='MpServer', x=-295,10, y=64,46, z=226,66], pl['Creeper'/197, l='MpServer', x=-300,69, y=64,72, z=217,63], oi['Pollo'/196, l='MpServer', x=-293,63, y=64,36, z=222,47], pg['item.tile.sapling.oak'/199, l='MpServer', x=-294,00, y=64,13, z=225,47], oi['Pollo'/198, l='MpServer', x=-293,58, y=66,00, z=213,13], pg['item.item.egg'/193, l='MpServer', x=-297,00, y=66,13, z=210,31], pl['Creeper'/192, l='MpServer', x=-293,50, y=12,00, z=215,03], pg['item.item.egg'/195, l='MpServer', x=-295,66, y=66,13, z=209,03], oi['Pollo'/194, l='MpServer', x=-288,56, y=66,00, z=210,44], oi['Pollo'/220, l='MpServer', x=-280,53, y=68,00, z=215,53], pg['item.item.egg'/221, l='MpServer', x=-279,81, y=68,13, z=219,38], on['Maiale'/222, l='MpServer', x=-285,03, y=67,00, z=224,89], og['Pipistrello'/235, l='MpServer', x=-258,65, y=27,11, z=266,76], og['Pipistrello'/138, l='MpServer', x=-316,10, y=33,84, z=220,48], og['Pipistrello'/274, l='MpServer', x=-223,41, y=46,74, z=230,16], og['Pipistrello'/131, l='MpServer', x=-323,44, y=41,64, z=143,91], ot['Lupo'/243, l='MpServer', x=-248,34, y=63,00, z=185,21], on['Maiale'/126, l='MpServer', x=-358,04, y=67,00, z=275,53], pl['Creeper'/275, l='MpServer', x=-221,64, y=47,00, z=222,55], pw['Scheletro'/110, l='MpServer', x=-331,37, y=28,76, z=142,39], oi['Pollo'/114, l='MpServer', x=-348,59, y=65,20, z=209,94], oi['Pollo'/187, l='MpServer', x=-286,09, y=66,00, z=195,97], oi['Pollo'/74, l='MpServer', x=-377,47, y=72,03, z=174,79], on['Maiale'/90, l='MpServer', x=-354,85, y=67,00, z=188,61], oi['Pollo'/214, l='MpServer', x=-274,84, y=67,89, z=192,50], og['Pipistrello'/142, l='MpServer', x=-322,55, y=43,60, z=226,44], on['Maiale'/137, l='MpServer', x=-334,53, y=67,00, z=203,84]]
- World MpServer Players: 1 total; [axc['Tommasino2002'/343, l='MpServer', x=-297,27, y=65,62, z=219,70]]
- World MpServer Chunk Stats: MultiplayerChunkCache: 400
- Forced Entities: 32 total; [on['Maiale'/137, l='MpServer', x=-334,53, y=67,00, z=203,84], pl['Creeper'/275, l='MpServer', x=-221,64, y=47,00, z=222,55], og['Pipistrello'/274, l='MpServer', x=-223,41, y=46,74, z=230,16], og['Pipistrello'/138, l='MpServer', x=-316,10, y=33,84, z=220,48], pv['Pesciolino d'Argento'/200, l='MpServer', x=-295,10, y=64,46, z=226,66], og['Pipistrello'/142, l='MpServer', x=-322,55, y=43,60, z=226,44], pl['Creeper'/197, l='MpServer', x=-300,69, y=64,72, z=217,63], oi['Pollo'/196, l='MpServer', x=-293,63, y=64,36, z=222,47], pg['item.tile.sapling.oak'/199, l='MpServer', x=-294,00, y=64,13, z=225,47], og['Pipistrello'/131, l='MpServer', x=-323,44, y=41,64, z=143,91], oi['Pollo'/198, l='MpServer', x=-293,58, y=66,00, z=213,13], pg['item.item.egg'/193, l='MpServer', x=-297,00, y=66,13, z=210,31], pl['Creeper'/192, l='MpServer', x=-293,50, y=12,00, z=215,03], oi['Pollo'/74, l='MpServer', x=-377,47, y=72,03, z=174,79], pg['item.item.egg'/195, l='MpServer', x=-295,66, y=66,13, z=209,03], oi['Pollo'/194, l='MpServer', x=-288,56, y=66,00, z=210,44], oi['Pollo'/220, l='MpServer', x=-280,53, y=68,00, z=215,53], pg['item.item.egg'/221, l='MpServer', x=-279,81, y=68,13, z=219,38], on['Maiale'/222, l='MpServer', x=-285,03, y=67,00, z=224,89], oi['Pollo'/214, l='MpServer', x=-274,84, y=67,89, z=192,50], on['Maiale'/90, l='MpServer', x=-354,85, y=67,00, z=188,61], og['Pipistrello'/235, l='MpServer', x=-258,65, y=27,11, z=266,76], pg['item.item.egg'/221, l='MpServer', x=-279,81, y=68,13, z=219,38], pw['Scheletro'/110, l='MpServer', x=-331,37, y=28,76, z=142,39], oi['Pollo'/187, l='MpServer', x=-286,09, y=66,00, z=195,97], axc['Tommasino2002'/343, l='MpServer', x=-297,27, y=65,62, z=219,70], oi['Pollo'/114, l='MpServer', x=-348,59, y=65,20, z=209,94], pg['item.item.egg'/195, l='MpServer', x=-295,66, y=66,13, z=209,03], on['Maiale'/126, l='MpServer', x=-358,04, y=67,00, z=275,53], pg['item.tile.sapling.oak'/199, l='MpServer', x=-294,00, y=64,13, z=225,47], ot['Lupo'/243, l='MpServer', x=-248,34, y=63,00, z=185,21], pg['item.item.egg'/193, l='MpServer', x=-297,00, y=66,13, z=210,31]]
- Retry Entities: 0 total; []

java.lang.IndexOutOfBoundsException
	at java.nio.Buffer.checkIndex(Buffer.java:512)
	at java.nio.DirectByteBuffer.get(DirectByteBuffer.java:248)
	at org.lwjgl.input.Keyboard.isKeyDown(Keyboard.java:399)
	at aud.a(SourceFile:264)
	at asw.n(SourceFile:126)
	at asw.m(SourceFile:104)
	at net.minecraft.client.Minecraft.l(SourceFile:1077)
	at net.minecraft.client.Minecraft.J(SourceFile:582)
	at net.minecraft.client.Minecraft.run(SourceFile:534)
	at java.lang.Thread.run(Thread.java:680)
--- END ERROR REPORT 8ad717f0 ----------