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I'm having the same problem running OSX 10.8.2 and 1.4.7 crashing often for no apparent reason. I deleted the bin and resources files but that didn't resolve the issue. Any help will be greatly appreciated



---- Minecraft Crash Report ----
// Daisy, daisy...

Time: 3/4/13 8:49 PM
Description: Updating screen events

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 avs.a(SourceFile:267)
at aul.n(SourceFile:153)
at aul.m(SourceFile:115)
at net.minecraft.client.Minecraft.l(SourceFile:1086)
at net.minecraft.client.Minecraft.J(SourceFile:582)
at net.minecraft.client.Minecraft.run(SourceFile:534)
at java.lang.Thread.run(Thread.java:680)


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

-- Head --
Stacktrace:
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 avs.a(SourceFile:267)
at aul.n(SourceFile:153)
at aul.m(SourceFile:115)

-- Affected screen --
Details:
Screen name: avs

-- Affected level --
Details:
Level name: MpServer
All players: 1 total; [ays[playername'/240, l='MpServer', x=-73.61, y=66.82, z=254.85]]
Chunk stats: MultiplayerChunkCache: 441
Level seed: 0
Level generator: ID 00 - default, ver 1. Features enabled: false
Level generator options:
Level spawn location: World: (-64,64,256), Chunk: (at 0,4,0 in -4,16; contains blocks -64,0,256 to -49,255,271), Region: (-1,0; contains chunks -32,0 to -1,31, blocks -512,0,0 to -1,255,511)
Level time: 26809 game time, 35723 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: 32 total; [pe['Sheep'/70, l='MpServer', x=-112.63, y=64.00, z=285.47], pe['Sheep'/139, l='MpServer', x=-56.19, y=63.00, z=222.81], ow['Bat'/2612, l='MpServer', x=-151.41, y=28.03, z=268.38], pe['Sheep'/71, l='MpServer', x=-116.38, y=64.00, z=280.50], pe['Sheep'/141, l='MpServer', x=-62.81, y=63.00, z=312.31], ow['Bat'/140, l='MpServer', x=-66.31, y=37.73, z=243.84], pe['Sheep'/129, l='MpServer', x=-68.25, y=63.00, z=316.66], pe['Sheep'/130, l='MpServer', x=-72.56, y=63.00, z=333.47], pe['Sheep'/72, l='MpServer', x=-114.50, y=64.00, z=295.81], pe['Sheep'/85, l='MpServer', x=-101.94, y=64.00, z=222.91], pe['Sheep'/87, l='MpServer', x=-109.06, y=64.00, z=226.84], pe['Sheep'/86, l='MpServer', x=-104.97, y=63.00, z=231.06], px['item.tile.blockLapis'/3369, l='MpServer', x=-72.13, y=63.13, z=251.37], ow['Bat'/100, l='MpServer', x=-84.47, y=46.10, z=267.94], ow['Bat'/1665, l='MpServer', x=-107.56, y=20.50, z=240.89], pe['Sheep'/98, l='MpServer', x=-90.38, y=64.00, z=213.25], pe['Sheep'/99, l='MpServer', x=-83.63, y=64.00, z=216.53], ow['Bat'/3252, l='MpServer', x=-97.66, y=40.20, z=243.56], ow['Bat'/1666, l='MpServer', x=-113.30, y=23.98, z=241.14], pe['Sheep'/97, l='MpServer', x=-94.53, y=64.00, z=220.25], px['item.item.seeds'/119, l='MpServer', x=-70.13, y=63.13, z=248.19], ow['Bat'/118, l='MpServer', x=-67.25, y=37.10, z=247.75], ow['Bat'/117, l='MpServer', x=-67.25, y=37.10, z=247.59], pk['Wolf'/59, l='MpServer', x=-148.84, y=64.00, z=244.47], pe['Sheep'/127, l='MpServer', x=-69.16, y=63.00, z=297.06], pe['Sheep'/126, l='MpServer', x=-71.53, y=63.00, z=302.50], pe['Sheep'/125, l='MpServer', x=-65.47, y=64.00, z=273.53], ow['Bat'/124, l='MpServer', x=-66.59, y=51.05, z=293.31], pe['Sheep'/63, l='MpServer', x=-133.88, y=64.00, z=278.94], px['item.tile.sapling.oak'/123, l='MpServer', x=-72.88, y=69.13, z=251.16], ow['Bat'/121, l='MpServer', x=-68.75, y=37.10, z=244.25], ays['jasperlegolad'/240, l='MpServer', x=-73.61, y=66.82, z=254.85]]
Retry entities: 0 total; []
Stacktrace:
at ayp.a(SourceFile:281)
at net.minecraft.client.Minecraft.b(SourceFile:1871)
at net.minecraft.client.Minecraft.run(SourceFile:543)
at java.lang.Thread.run(Thread.java:680)

-- System Details --
Details:
Minecraft Version: 1.4.7
Operating System: Mac OS X (x86_64) version 10.8.2
Java Version: 1.6.0_41, Apple Inc.
Java VM Version: Java HotSpot™ 64-Bit Server VM (mixed mode), Apple Inc.
Memory: 457548048 bytes (436 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: 654 (36624 bytes; 0 MB) allocated, 2 (112 bytes; 0 MB) used
Suspicious classes: No suspicious classes found.
IntCache: cache: 15, tcache: 0, allocated: 3, tallocated: 63
LWJGL: 2.4.2
OpenGL: Intel HD Graphics 4000 OpenGL Engine GL version 2.1 APPLE-8.6.22, Intel Inc.
Is Modded: Probably not. Jar signature remains and client brand is untouched.
Type: Client (map_client.txt)
Texture Pack: Default
Profiler Position: N/A (disabled)
Vec3 Pool Size: 2055 (115080 bytes; 0 MB) allocated, 13 (728 bytes; 0 MB) used

This crash is related to your control mappings in Minecraft. There are multiple known reasons for it to crash, and possibly some unknown ones as well.

One known reason is having your Chat command bound to a mouse button, this is fixed only the latest snapshot. See https://mojang.atlassian.net/browse/MC-3409

Another reason can also be having one key bound to multiple different commands.

Whichever reason it is, you should try resetting your key mappings to the defaults.

After installing new apple Java update, upgrading RAM allocation, following lots of advice and going in circles, it still didn't work. I trashed the app, re-installed. Resetting the controls to default seems to be the key to sorting it out, as 2 controls were set to use the same buttons ... lets hope it stays working
Thanks for advice and help ... very appreciated
Now the 7 year old can hi-jack my laptop happily again