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Cannot open inventory in Minecraft: Minecraft crashes


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I started Minecraft. Once It finished opening I clicked on my inventory (E). After I clicked "E" Minecraft crashes. What does this mean?


Crash Report:


---- Minecraft Crash Report ----

// This doesn't make any sense!


Time: 12/31/12 4:25 AM

Description: Unexpected error


java.lang.NoClassDefFoundError: aux

at net.minecraft.client.Minecraft.l(Minecraft.java:1753)

at net.minecraft.client.Minecraft.J(Minecraft.java:846)

at net.minecraft.client.Minecraft.run(Minecraft.java:771)

at java.lang.Thread.run(Unknown Source)

Caused by: java.lang.ClassNotFoundException: aux

at cpw.mods.fml.relauncher.RelaunchClassLoader.findClass(RelaunchClassLoader.java:179)

at java.lang.ClassLoader.loadClass(Unknown Source)

at java.lang.ClassLoader.loadClass(Unknown Source)

... 4 more

Caused by: java.lang.NullPointerException

at cpw.mods.fml.relauncher.RelaunchClassLoader.findClass(RelaunchClassLoader.java:172)

... 6 more



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



-- Affected level --


Level name: MpServer

All players: 1 total; [ays['Harshcoot'/341, l='MpServer', x=-25.30, y=68.62, z=193.56]]

Chunk stats: MultiplayerChunkCache: 441

Level seed: 0

Level generator: ID 00 - default, ver 1. Features enabled: false

Level generator options:

Level spawn location: World: (116,64,240), Chunk: (at 4,4,0 in 7,15; contains blocks 112,0,240 to 127,255,255), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)

Level time: 121906 game time, 44490 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: 140 total; [pe['Sheep'/0, l='MpServer', x=-76.72, y=67.00, z=141.50], pe['Sheep'/1, l='MpServer', x=-66.94, y=66.00, z=146.03], pe['Sheep'/2, l='MpServer', x=-66.59, y=68.00, z=165.78], qc['Creeper'/3, l='MpServer', x=-67.50, y=64.00, z=179.97], oy['Chicken'/4, l='MpServer', x=-79.53, y=68.00, z=192.66], qp['Spider'/5, l='MpServer', x=-74.72, y=66.00, z=254.91], qc['Creeper'/6, l='MpServer', x=-77.50, y=66.00, z=254.50], qc['Creeper'/7, l='MpServer', x=-79.00, y=63.00, z=242.53], qr['Zombie'/9, l='MpServer', x=-73.50, y=65.00, z=262.78], qn['Skeleton'/10, l='MpServer', x=-69.50, y=66.00, z=256.50], oy['Chicken'/11, l='MpServer', x=-66.56, y=67.00, z=268.63], oy['Chicken'/12, l='MpServer', x=-64.56, y=67.00, z=272.59], oy['Chicken'/19, l='MpServer', x=-53.38, y=70.00, z=145.59], px['item.item.egg'/21, l='MpServer', x=-51.22, y=70.13, z=145.72], oy['Chicken'/20, l='MpServer', x=-60.59, y=67.00, z=159.41], oy['Chicken'/23, l='MpServer', x=-52.47, y=70.00, z=164.72], oy['Chicken'/22, l='MpServer', x=-56.75, y=69.00, z=164.34], px['item.item.egg'/25, l='MpServer', x=-53.22, y=69.13, z=166.38], px['item.item.egg'/24, l='MpServer', x=-58.00, y=68.13, z=164.13], qc['Creeper'/27, l='MpServer', x=-60.50, y=65.00, z=187.50], qr['Zombie'/26, l='MpServer', x=-64.50, y=65.00, z=169.78], qr['Zombie'/29, l='MpServer', x=-62.16, y=66.00, z=252.75], qr['Zombie'/28, l='MpServer', x=-52.00, y=67.00, z=204.56], oy['Chicken'/31, l='MpServer', x=-62.50, y=66.00, z=273.50], oy['Chicken'/32, l='MpServer', x=-62.50, y=67.00, z=274.50], pk['Wolf'/39, l='MpServer', x=-31.72, y=71.00, z=133.31], pk['Wolf'/42, l='MpServer', x=-30.93, y=72.00, z=140.72], oy['Chicken'/43, l='MpServer', x=-45.44, y=71.00, z=151.59], pk['Wolf'/40, l='MpServer', x=-37.41, y=69.00, z=120.28], pk['Wolf'/41, l='MpServer', x=-37.16, y=70.00, z=130.00], px['item.item.egg'/47, l='MpServer', x=-42.63, y=71.13, z=157.06], oy['Chicken'/44, l='MpServer', x=-39.59, y=71.00, z=153.59], oy['Chicken'/45, l='MpServer', x=-44.44, y=71.00, z=156.53], oy['Chicken'/51, l='MpServer', x=-44.19, y=62.45, z=247.78], qc['Creeper'/50, l='MpServer', x=-44.50, y=66.00, z=144.50], px['item.item.egg'/49, l='MpServer', x=-40.06, y=71.13, z=156.03], qn['Skeleton'/48, l='MpServer', x=-43.34, y=70.00, z=139.88], px['item.item.dyePowder.black'/53, l='MpServer', x=-46.63, y=61.13, z=247.81], px['item.item.egg'/52, l='MpServer', x=-42.78, y=61.13, z=249.13], qr['Zombie'/63, l='MpServer', x=-17.90, y=67.00, z=200.47], px['item.item.egg'/62, l='MpServer', x=-24.69, y=66.13, z=185.31], ow['Bat'/1378, l='MpServer', x=10.63, y=26.10, z=198.78], ow['Bat'/61, l='MpServer', x=-24.59, y=45.85, z=130.57], qn['Skeleton'/64, l='MpServer', x=-18.50, y=67.00, z=243.50], qn['Skeleton'/65, l='MpServer', x=-28.00, y=67.00, z=272.56], ow['Bat'/1308, l='MpServer', x=-30.25, y=62.65, z=153.75], qn['Skeleton'/79, l='MpServer', x=-0.50, y=27.00, z=123.50], pk['Wolf'/85, l='MpServer', x=-2.50, y=73.00, z=132.50], pk['Wolf'/84, l='MpServer', x=-4.50, y=72.00, z=128.50], pk['Wolf'/87, l='MpServer', x=-6.69, y=75.00, z=131.50], pk['Wolf'/86, l='MpServer', x=-3.44, y=74.00, z=131.03], qp['Spider'/80, l='MpServer', x=-4.72, y=16.00, z=122.56], ow['Bat'/83, l='MpServer', x=-6.57, y=20.61, z=123.25], ow['Bat'/82, l='MpServer', x=-19.30, y=18.59, z=136.71], oy['Chicken'/93, l='MpServer', x=-11.59, y=65.00, z=206.47], qp['Spider'/92, l='MpServer', x=-26.77, y=67.00, z=194.00], qd['Enderman'/95, l='MpServer', x=-3.69, y=67.00, z=235.56], ow['Bat'/94, l='MpServer', x=-7.47, y=56.10, z=219.34], qr['Zombie'/89, l='MpServer', x=-2.50, y=17.00, z=159.50], qp['Spider'/88, l='MpServer', x=-0.81, y=75.00, z=145.94], oy['Chicken'/91, l='MpServer', x=-0.56, y=67.00, z=186.44], ow['Bat'/90, l='MpServer', x=-2.28, y=17.10, z=179.31], qc['Creeper'/96, l='MpServer', x=-5.94, y=67.00, z=240.50], qc['Creeper'/97, l='MpServer', x=-12.66, y=67.00, z=274.06], qr['Zombie'/119, l='MpServer', x=-4.09, y=40.00, z=192.28], qp['Spider'/118, l='MpServer', x=1.84, y=67.00, z=173.75], ays['Harshcoot'/341, l='MpServer', x=-25.30, y=68.62, z=193.56], oy['Chicken'/126, l='MpServer', x=12.50, y=67.00, z=268.50], oy['Chicken'/125, l='MpServer', x=2.71, y=67.00, z=264.63], oy['Chicken'/124, l='MpServer', x=15.41, y=67.00, z=264.59], ow['Bat'/123, l='MpServer', x=11.75, y=53.10, z=238.47], qn['Skeleton'/122, l='MpServer', x=0.50, y=68.00, z=221.94], qn['Skeleton'/121, l='MpServer', x=11.59, y=68.00, z=183.06], pk['Wolf'/120, l='MpServer', x=10.75, y=68.00, z=183.25], qr['Zombie'/408, l='MpServer', x=-100.50, y=35.00, z=247.50], qr['Zombie'/409, l='MpServer', x=-101.50, y=35.00, z=247.50], qn['Skeleton'/1490, l='MpServer', x=-27.50, y=40.00, z=147.50], pk['Wolf'/412, l='MpServer', x=-103.28, y=68.00, z=264.69], qn['Skeleton'/1489, l='MpServer', x=-27.50, y=40.00, z=145.50], pk['Wolf'/413, l='MpServer', x=-104.63, y=69.00, z=266.56], oy['Chicken'/402, l='MpServer', x=-98.38, y=71.00, z=171.63], qr['Zombie'/130, l='MpServer', x=20.16, y=68.00, z=248.84], pk['Wolf'/152, l='MpServer', x=16.38, y=68.00, z=179.75], qc['Creeper'/153, l='MpServer', x=20.72, y=42.00, z=194.53], pk['Wolf'/154, l='MpServer', x=26.94, y=68.00, z=220.47], pk['Wolf'/155, l='MpServer', x=29.50, y=71.00, z=224.50], pe['Sheep'/399, l='MpServer', x=-102.28, y=69.00, z=155.25], qr['Zombie'/156, l='MpServer', x=21.04, y=68.00, z=222.56], qr['Zombie'/1233, l='MpServer', x=-72.50, y=67.00, z=272.50], qn['Skeleton'/398, l='MpServer', x=-105.50, y=49.00, z=146.50], qc['Creeper'/157, l='MpServer', x=9.78, y=68.00, z=249.97], qr['Zombie'/1234, l='MpServer', x=-76.50, y=67.00, z=275.50], ow['Bat'/397, l='MpServer', x=-96.54, y=46.46, z=127.93], qc['Creeper'/146, l='MpServer', x=16.50, y=13.00, z=139.50], qn['Skeleton'/147, l='MpServer', x=23.50, y=14.00, z=178.50], qn['Skeleton'/148, l='MpServer', x=23.41, y=12.00, z=180.69], ow['Bat'/149, l='MpServer', x=21.72, y=13.10, z=176.75], pk['Wolf'/150, l='MpServer', x=22.69, y=68.00, z=183.31], pk['Wolf'/151, l='MpServer', x=23.34, y=69.00, z=181.59], px['item.item.egg'/440, l='MpServer', x=-90.25, y=68.13, z=149.78], pk['Wolf'/171, l='MpServer', x=46.88, y=68.00, z=254.03], px['item.item.egg'/441, l='MpServer', x=-87.13, y=68.13, z=145.22], qr['Zombie'/170, l='MpServer', x=43.50, y=66.00, z=218.50], px['item.item.egg'/442, l='MpServer', x=-85.44, y=67.13, z=152.44], qd['Enderman'/169, l='MpServer', x=40.38, y=66.00, z=219.09], px['item.item.egg'/443, l='MpServer', x=-85.84, y=67.13, z=148.91], qd['Enderman'/168, l='MpServer', x=39.69, y=66.00, z=216.13], qr['Zombie'/175, l='MpServer', x=37.88, y=69.00, z=261.56], qp['Spider'/445, l='MpServer', x=-87.50, y=68.00, z=147.38], pk['Wolf'/174, l='MpServer', x=31.69, y=69.00, z=262.94], qn['Skeleton'/446, l='MpServer', x=-80.09, y=64.00, z=186.34], pk['Wolf'/173, l='MpServer', x=35.94, y=68.00, z=256.50], qp['Spider'/172, l='MpServer', x=32.75, y=69.00, z=258.06], px['item.item.egg'/433, l='MpServer', x=-90.88, y=68.13, z=142.94], qn['Skeleton'/434, l='MpServer', x=-90.50, y=69.00, z=129.50], oy['Chicken'/435, l='MpServer', x=-99.44, y=68.00, z=148.53], oy['Chicken'/436, l='MpServer', x=-95.56, y=69.00, z=151.38], pk['Wolf'/167, l='MpServer', x=39.38, y=67.00, z=231.22], oy['Chicken'/437, l='MpServer', x=-82.63, y=67.00, z=148.66], pk['Wolf'/166, l='MpServer', x=34.50, y=67.00, z=223.50], oy['Chicken'/438, l='MpServer', x=-96.47, y=68.00, z=145.47], oy['Chicken'/439, l='MpServer', x=-87.16, y=68.00, z=151.44], oy['Chicken'/424, l='MpServer', x=-92.50, y=69.00, z=121.50], qp['Spider'/427, l='MpServer', x=-95.59, y=45.00, z=137.09], ow['Bat'/426, l='MpServer', x=-90.75, y=46.10, z=136.25], oy['Chicken'/429, l='MpServer', x=-94.47, y=68.00, z=142.56], oy['Chicken'/428, l='MpServer', x=-89.50, y=68.00, z=142.50], oy['Chicken'/431, l='MpServer', x=-86.44, y=68.00, z=143.56], oy['Chicken'/430, l='MpServer', x=-90.53, y=69.00, z=130.38], oy['Chicken'/423, l='MpServer', x=-91.75, y=69.00, z=125.84], oy['Chicken'/422, l='MpServer', x=-100.44, y=70.00, z=117.38], qr['Zombie'/1174, l='MpServer', x=-10.56, y=15.02, z=131.76], qc['Creeper'/455, l='MpServer', x=-95.34, y=69.00, z=272.47], qp['Spider'/453, l='MpServer', x=-84.91, y=64.00, z=245.81], ph['Squid'/452, l='MpServer', x=-88.34, y=60.31, z=224.25], ow['Bat'/1722, l='MpServer', x=-103.67, y=12.00, z=209.67], ph['Squid'/451, l='MpServer', x=-86.69, y=60.28, z=223.59], ph['Squid'/450, l='MpServer', x=-84.50, y=60.34, z=233.22], ow['Bat'/449, l='MpServer', x=-85.17, y=15.70, z=248.19], ow['Bat'/1721, l='MpServer', x=-105.90, y=11.79, z=212.90]]

Retry entities: 0 total; []


at ayp.a(WorldClient.java:440)

at net.minecraft.client.Minecraft.b(Minecraft.java:2401)

at net.minecraft.client.Minecraft.run(Minecraft.java:794)

at java.lang.Thread.run(Unknown Source)


-- System Details --


Minecraft Version: 1.4.6

Operating System: Windows 7 (x86) version 6.1

Java Version: 1.7.0_09, Oracle Corporation

Java VM Version: Java HotSpot Client VM (mixed mode), Oracle Corporation

Memory: 372898872 bytes (355 MB) / 519110656 bytes (495 MB) up to 1037959168 bytes (989 MB)

JVM Flags: 2 total; -Xms512m -Xmx1024m

AABB Pool Size: 7227 (404712 bytes; 0 MB) allocated, 3 (168 bytes; 0 MB) used

Suspicious classes: FML and Forge are installed

IntCache: cache: 0, tcache: 0, allocated: 3, tallocated: 63

FML: MCP v7.25 FML v4.6.17.515 Minecraft Forge 5 mods loaded, 5 mods active

mcp [Minecraft Coder Pack] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available

FML [Forge Mod Loader] (coremods) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available

Forge [Minecraft Forge] (coremods) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available

Backpack [backpack] (backpack-1.5.6-1.4.6.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available

mod_Timber [Timber!] (Timber! (1.4.6).zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available

LWJGL: 2.4.2

OpenGL: Intel® HD Graphics Family GL version 3.1.0 - Build, Intel

Is Modded: Definitely; Client brand changed to 'forge,fml'

Type: Client (map_client.txt)

Texture Pack: Consti77s-Faithful-64x_4466357.zip

Profiler Position: N/A (disabled)

Vec3 Pool Size: 1863 (104328 bytes; 0 MB) allocated, 16 (896 bytes; 0 MB) used


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  • 3 weeks later...

Due to a recent change by Lex to fix some issue in windows (files with certain names aren't allowed to exist on the file system, aux is one of them), it's supposed to reobf as _aux.class.

So poke the devs about this issue.

Read the EAQ before posting! OR ELSE!


This isn't building better software, its trying to grab a place in the commit list of a highly visible github project.




Don't PM me, I don't check this account unless I have to.

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It doesnt reobf as _aux it just gets written it files as _aux and FML will load _ names before bare names.

So, this is till an installation issue on your end if you can't figure out how to install Forge manually, install it using a launcher.

I do Forge for free, however the servers to run it arn't free, so anything is appreciated.
Patreon: http://www.patreon.com/lexmanos
Paypal: http://paypal.me/LexManos

BitCoin: 1Q8rWvUNMM2T1ZfDaFeeYQyVXtYoeT6tTn

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