Game stuck on joining world

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I have attached the file

Seems like the bug happens when you load a world with a custom resource pack that wasn't loaded before

The game is busy spitting out thousands of errors of your broken resource pack:

[0718/100051:INFO:GameCallbacks.cpp(178)] game/vg (Client thread) info Reloading ResourceManager: Default, resources.zip
[0718/100052:INFO:GameCallbacks.cpp(178)] game/dgf (Client thread) info SoundSystem Author: Paul Lamb, www.paulscode.com

[0718/100052:INFO:GameCallbacks.cpp(178)] game/dgf (Sound Library Loader) info Starting up SoundSystem...

[0718/100052:INFO:GameCallbacks.cpp(178)] game/cfg (Client thread) info Caught error stitching, removing all assigned resourcepacks
java.nio.file.FileSystemAlreadyExistsException
	at com.sun.nio.zipfs.ZipFileSystemProvider.newFileSystem(ZipFileSystemProvider.java:113)
	at java.nio.file.FileSystems.newFileSystem(FileSystems.java:326)
	at java.nio.file.FileSystems.newFileSystem(FileSystems.java:276)
	at un.a(SourceFile:114)
	at ddp.a(SourceFile:54)
	at vb.a(SourceFile:137)
	at vg.a(SourceFile:80)
	at chs.a(SourceFile:52)
	at vg.c(SourceFile:123)
	at vg.a(SourceFile:106)
	at cfg.f(SourceFile:681)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
	at k.a(SourceFile:198)
	at cfg.c(SourceFile:808)
	at cfg.a(SourceFile:392)
	at net.minecraft.client.main.Main.main(SourceFile:144)


[0718/100052:INFO:GameCallbacks.cpp(178)] game/vg (Client thread) info Reloading ResourceManager: 

[0718/100052:INFO:GameCallbacks.cpp(178)] game/ddb (Client thread) warn Failed to load texture: minecraft:textures/gui/container/inventory.png
java.io.FileNotFoundException: minecraft:textures/gui/container/inventory.png
	at vg.a(SourceFile:61)
	at dcw.a(SourceFile:23)
	at ddb.a(SourceFile:59)
	at ddb.a(SourceFile:128)
	at vg.c(SourceFile:123)
	at vg.a(SourceFile:106)
	at cfg.f(SourceFile:688)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
	at k.a(SourceFile:198)
	at cfg.c(SourceFile:808)
	at cfg.a(SourceFile:392)
	at net.minecraft.client.main.Main.main(SourceFile:144)


[0718/100052:INFO:GameCallbacks.cpp(178)] game/ddb (Client thread) warn Failed to load texture: minecraft:textures/entity/armorstand/wood.png
java.io.FileNotFoundException: minecraft:textures/entity/armorstand/wood.png
	at vg.a(SourceFile:61)
	at dcw.a(SourceFile:23)
	at ddb.a(SourceFile:59)
	at ddb.a(SourceFile:128)
	at vg.c(SourceFile:123)
	at vg.a(SourceFile:106)
	at cfg.f(SourceFile:688)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
	at k.a(SourceFile:198)
	at cfg.c(SourceFile:808)
	at cfg.a(SourceFile:392)
	at net.minecraft.client.main.Main.main(SourceFile:144)
...

[0718/100053:INFO:GameCallbacks.cpp(178)] game/dcz (Client thread) error Using missing texture, unable to load minecraft:textures/item/empty_armor_slot_leggings.png : java.io.FileNotFoundException: minecraft:textures/item/empty_armor_slot_leggings.png

[0718/100053:INFO:GameCallbacks.cpp(178)] game/dcz (Client thread) error Using missing texture, unable to load minecraft:textures/block/water_flow.png : java.io.FileNotFoundException: minecraft:textures/block/water_flow.png

[0718/100053:INFO:GameCallbacks.cpp(178)] game/dcz (Client thread) error Using missing texture, unable to load minecraft:textures/block/water_overlay.png : java.io.FileNotFoundException: minecraft:textures/block/water_overlay.png

[0718/100053:INFO:GameCallbacks.cpp(178)] game/dcz (Client thread) error Using missing texture, unable to load minecraft:textures/block/lava_flow.png : java.io.FileNotFoundException: minecraft:textures/block/lava_flow.png

[0718/100053:INFO:GameCallbacks.cpp(178)] game/dcz (Client thread) info Created: 16x16 textures-atlas

I have killed Minecraft here

[0718/100134:INFO:GameCallbacks.cpp(178)] game/net.minecraft.server.MinecraftServer (Client Shutdown Thread) info Stopping server

[0718/100134:INFO:GameCallbacks.cpp(178)] game/net.minecraft.server.MinecraftServer (Client Shutdown Thread) info Saving players

[0718/100134:INFO:GameCallbacks.cpp(178)] launcher/launcher (main) info Process closed with exit code 36608

[0718/100134:INFO:GameCallbacks.cpp(178)] launcher/launcher (main) info

Simply disable that severely broken "resources.zip" and you're done.

The resource pack works fine. The game crashes only sometimes when I attempt to join, usually when I have never loaded that resource pack before

I have loaded the resource pack on another world as well as reached to join that world and the resource pack is not broken

Please attach that resource pack here.

The resource pack has been attached

The only errors of the resource pack are those:

13:00:40	ddb	Client thread	warn	Texture minecraft:textures/block/birch_planks.png with size 225x225 limits mip level from 4 to 0
13:00:40	ddb	Client thread	warn	textures: dropping miplevel from 4 to 0, because of minimum power of two: 1

otherwise I cannot repro your problems.

Please force a crash by pressing F3 + C for 10 seconds while in-game and attach the crash report ([minecraft/crash-reports/crash-<DATE>-client.txt|http://hopper.minecraft.net/help/guides/finding-minecraft-data-folder/]) here.

Once attached, the report will be reopened automatically.