Minecraft keeps crashing (Vanilla)

Minecraft keeps crashing (Vanilla) - Free stock photo of beach, seascape, sunset

My minecraft keeps crashing whenever i log into a online server, i have no idea why but i do indeed have the crash report.

[20:36:48] [Client thread/INFO]: Setting user: APoisonPotato93
[20:36:48] [Client thread/INFO]: (Session ID is token:f32c25b375584675aa0b0b1eaed7fe4b:29ed969693cd41bda6666aa49813b952)
[20:36:53] [Client thread/INFO]: LWJGL Version: 2.9.4
[20:36:54] [Client thread/INFO]: Reloading ResourceManager: Default
[20:36:54] [Sound Library Loader/INFO]: Starting up SoundSystem...
[20:36:54] [Thread-6/INFO]: Initializing LWJGL OpenAL
[20:36:54] [Thread-6/INFO]: (The LWJGL binding of OpenAL.  For more information, see http://www.lwjgl.org)
[20:36:55] [Thread-6/INFO]: OpenAL initialized.
[20:36:55] [Sound Library Loader/INFO]: Sound engine started
[20:37:01] [Client thread/INFO]: Created: 512x512 textures-atlas
[20:37:09] [Client thread/INFO]: Connecting to mc.sparkade.net, 25565
[20:37:13] [Client thread/FATAL]: Error executing task
java.util.concurrent.ExecutionException: java.lang.IndexOutOfBoundsException: readerIndex(1) + length(83) exceeds writerIndex(6): UnpooledHeapByteBuf(ridx: 1, widx: 6, cap: 6)
    at java.util.concurrent.FutureTask.report(FutureTask.java:122) ~[?:1.8.0_25]
    at java.util.concurrent.FutureTask.get(FutureTask.java:192) ~[?:1.8.0_25]
    at g.a(SourceFile:61) [1.8.4.jar:?]
    at ave.av(SourceFile:880) [1.8.4.jar:?]
    at ave.a(SourceFile:325) [1.8.4.jar:?]
    at net.minecraft.client.main.Main.main(SourceFile:124) [1.8.4.jar:?]
Caused by: java.lang.IndexOutOfBoundsException: readerIndex(1) + length(83) exceeds writerIndex(6): UnpooledHeapByteBuf(ridx: 1, widx: 6, cap: 6)
    at io.netty.buffer.AbstractByteBuf.checkReadableBytes(AbstractByteBuf.java:1175) ~[netty-all-4.0.23.Final.jar:4.0.23.Final]
    at io.netty.buffer.AbstractByteBuf.readBytes(AbstractByteBuf.java:655) ~[netty-all-4.0.23.Final.jar:4.0.23.Final]
    at em.readBytes(SourceFile:669) ~[1.8.4.jar:?]
    at em.c(SourceFile:243) ~[1.8.4.jar:?]
    at bcy.a(SourceFile:1291) ~[1.8.4.jar:?]
    at gg.a(SourceFile:52) ~[1.8.4.jar:?]
    at gg.a(SourceFile:9) ~[1.8.4.jar:?]
    at fh$1.run(SourceFile:13) ~[1.8.4.jar:?]
    at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) ~[?:1.8.0_25]
    at java.util.concurrent.FutureTask.run(FutureTask.java:266) ~[?:1.8.0_25]
    at g.a(SourceFile:60) ~[1.8.4.jar:?]
    ... 3 more
[20:37:13] [Client thread/INFO]: [CHAT] You have no new mail.

Now, if anyone could help me fix this, it would be much appreciated! Cheers.



Best Answer

You should try reinstalling your Minecraft

Make sure you copy out the saves folder first, then remove the entire.minecraft folder.




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Why does vanilla Minecraft keep crashing?

There are several causes for Minecraft crashing on startup: the mods, bugs in the game, the corruption of the game files, and the missing or outdated graphics card driver.

What do I do if my Minecraft keeps crashing?

Restart Your Computer Restarting your computer can solve a lot of minor technical issues, especially if Minecraft keeps crashing due to a system glitch. The first thing that you should do if the startup error persists is restarting your PC. Once the system boots up again, try launching Minecraft.

Why does my Minecraft Java keep crashing?

This indicates that an error has occurred due to incompatibility between video card driver and the Lightweight Java Game Library (LWJGL). Minecraft can crash due to a compatibility issue with the video card driver currently installed on your system.



Fix minecraft game crashed an unexpected issue occurred and the game has crashed Exit Code 0




More answers regarding minecraft keeps crashing (Vanilla)

Answer 2

As far as I see, it crashes when writing to a file(probably auto-saves). You either have an corrupted save directory or it's read-only or inaccessible or something like that.

Answer 3

I have just uninstalled Minecraft then re-installed it. It does indeed work now. I don't know why I didn't do this before i came on here and asked for help. Regardless, thank you for your help guys. :)

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