Java util zip dataformatexception incorrect data check майнкрафт

Hi, I’ve been trying to figure this out for weeks and I am desperate. My deaths are off the board and my game is unplayable. I’d appreciate any help I can get.

I’m playing on a realm with friends and I disconnect constantly. At most I’ll last 5-10 minutes, but more often I’ll last about 2 minutes between disconnects. Sometimes it happens multiple times within a span of 10 seconds. I’ll disconnect, reconnect, disconnect due to a different reason, so on and so forth.

These are some of the errors I’ve gotten recently:

Internal Exception: io.nettyhandler.codec.DecoderException: java.util.zip.DataFormatException:incorrect data check
Internal Exception: io.netty.handler.codec.DecoderException:java.lang.IndexOutOfBoundsException: Index 909 out of bounds for length 104
Internal Exception:io.netty.handler.codec.DecoderException:java.util.zip.DataFOrmatException: incorrect header check
Internal Exception: java.net.SocketException: Connection reset
Internal Exception:io.netty.handler.codec.CorruptedFrameException: length wider than 21-bit

The errors are not limited to these, these are just recent examples that I’ve taken screenshots of.

Here are the fixes I’ve tried on top of trying to adjust in-game settings:

Adjusted firewall settings and turned firewall off
Restarted router
Reinstalled game then;
Truly fresh reinstall, deleted absolutely everything
Cancelled my internet and got new, better internet
Used a VPN

Nothing has worked and I am losing my mind. I think I’ve searched as much online as I can so I’m sorry if this has been answered somewhere. I’m at my wit’s end and I just want to live through raids. Happy to post anything else that’d be helpful, I’m somewhat new to minecraft so I’m not sure what else you’d need. THANK YOU!

*EDIT: Another error I’ve just gotten: Internal Exception: io.netty.handler.codec.DecoderException: java.lang.RuntimeException: VarInt too big

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Minecraft Forums

The game crashed whilst loading nbt data Error: java.util.zip.ZipException: incorrect data check

I was loading a world with mods when it gave me the error: The game crashed whilst loading nbt data
Error: java.util.zip.ZipException: incorrect data check. Help plz.

Post the FULL crash report. Crash reports are found in the crash-reports folder under the .minecraft folder.

«We live on a placid island of ignorance in the midst of black seas of infinity, and it was not meant that we should voyage far.»

Enderdragon Slayer
Join Date: 10/6/2013
Posts: 13,013
Minecraft: TheMasterCaver
Member Details

This is usually caused by world corruption (a corrupted zip file, as the game uses to store save data); if this is the same world that you were playing on during a power outage (as mentioned in your other thread) then this is most likely directly related (I also notice that you seem to have increased the memory allocation to 10 GB — as I mentioned, out of memory issues that started happening after a power outage while playing are likely due to world corruption, which can cause all sorts of issues, including the game attempting to allocate a silly amount of memory as it loads corrupt data — you should also never allocate that much memory to the game, reduce it to 4 GB at the most).

As far as repairing the world goes, a more precise error report would be helpful if it can pinpoint exactly what is causing the error (whether loading a chunk or another data file). You could try right-clicking on the folder for the world and select «restore previous versions» from the menu, which may have a recent backup that was automatically created by Windows (IDK about other operating systems but they may have a similar feature). Otherwise, you can try running Minecraft Region Fixer on the world or post a link to the world with a description of the issue in this thread, but be aware that either of these methods may result in loss of important parts of the world (corrupted chunks generally can’t be repaired, only deleted, especially if they are so corrupt that they can’t even be read as a valid zip file). If it is a different file (as indicated by the crash report) the fix depends on what the file was.

In any case, the only way to be really be safe from world corruption is to make regular backups — there are an unlimited number of ways that a world can become corrupt or lost and this is why I have multiple copies of my worlds and other important data, including off-site.

TheMasterCaver’s First World — possibly the most caved-out world in Minecraft history — includes world download.
TheMasterCaver’s World — my own version of Minecraft largely based on my views of how the game should have evolved since 1.6.4.
Why do I still play in 1.6.4?

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Крашится майнкрафт, как исправить?

В кратце объясню. Я поставил копать карьер (ender quarry) и пошел спать. Когда проснулся выключили свет во всем доме, ну и комп соответственно тоже выключился. Когда запускаю мир, крашится майнкрафт.
Как исправить? Краш репорт ниже
—-Minecraft Crash Report —-
// My bad.

Time: 27.12.16 17:30
Description: Loading NBT data

java.util.zip.ZipException: incorrect data check
at java.util.zip.InflaterInputStream.read(Unknown Source)
at java.io.BufferedInputStream.fill(Unknown Source)
at java.io.BufferedInputStream.read1(Unknown Source)
at java.io.BufferedInputStream.read(Unknown Source)
at java.io.DataInputStream.readFully(Unknown Source)
at java.io.DataInputStream.readUTF(Unknown Source)
at java.io.DataInputStream.readUTF(Unknown Source)
at net.minecraft.nbt.NBTTagCompound.func_152448_b(NBTTagCompound.java:388)
at net.minecraft.nbt.NBTTagCompound.func_152446_a(NBTTagCompound.java:50)
at net.minecraft.nbt.NBTTagList.func_152446_a(NBTTagList.java:54)
at net.minecraft.nbt.NBTTagCompound.func_152449_a(NBTTagCompound.java:398)
at net.minecraft.nbt.NBTTagCompound.func_152446_a(NBTTagCompound.java:52)
at net.minecraft.nbt.NBTTagCompound.func_152449_a(NBTTagCompound.java:398)
at net.minecraft.nbt.NBTTagCompound.func_152446_a(NBTTagCompound.java:52)
at net.minecraft.nbt.CompressedStreamTools.func_152455_a(CompressedStreamTools.java:170)
at net.minecraft.nbt.CompressedStreamTools.func_152456_a(CompressedStreamTools.java:125)
at net.minecraft.nbt.CompressedStreamTools.func_74794_a(CompressedStreamTools.java:120)
at net.minecraft.world.chunk.storage.AnvilChunkLoader.loadChunk__Async(AnvilChunkLoader.java:121)
at net.minecraftforge.common.chunkio.ChunkIOProvider.callStage1(ChunkIOProvider.java:20)
at net.minecraftforge.common.chunkio.ChunkIOProvider.callStage1(ChunkIOProvider.java:12)
at net.minecraftforge.common.util.AsynchronousExecutor.skipQueue(AsynchronousExecutor.java:343)
at net.minecraftforge.common.util.AsynchronousExecutor.getSkipQueue(AsynchronousExecutor.java:302)
at net.minecraftforge.common.chunkio.ChunkIOExecutor.syncChunkLoad(ChunkIOExecutor.java:12)
at net.minecraft.world.gen.ChunkProviderServer.loadChunk(ChunkProviderServer.java:126)
at net.minecraft.world.gen.ChunkProviderServer.func_73158_c(ChunkProviderServer.java:101)
at net.minecraft.world.gen.ChunkProviderServer.func_73154_d(ChunkProviderServer.java:199)
at net.minecraft.world.World.func_72964_e(World.java:419)
at net.minecraft.world.SpawnerAnimals.func_151350_a(SpawnerAnimals.java:32)
at net.minecraft.world.SpawnerAnimals.func_77192_a(SpawnerAnimals.java:100)
at net.minecraft.world.WorldServer.func_72835_b(WorldServer.java:161)
at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:625)
at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:547)
at net.minecraft.server.integrated.IntegratedServer.func_71217_p(IntegratedServer.java:111)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:427)
at net.minecraft.server.MinecraftServer$2.run(MinecraftServer.java:685)

— Head —
Stacktrace:
at java.util.zip.InflaterInputStream.read(Unknown Source)
at java.io.BufferedInputStream.fill(Unknown Source)
at java.io.BufferedInputStream.read1(Unknown Source)
at java.io.BufferedInputStream.read(Unknown Source)
at java.io.DataInputStream.readFully(Unknown Source)
at java.io.DataInputStream.readUTF(Unknown Source)
at java.io.DataInputStream.readUTF(Unknown Source)
at net.minecraft.nbt.NBTTagCompound.func_152448_b(NBTTagCompound.java:388)
at net.minecraft.nbt.

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Minecraft Forums

I need some help trying to get my client to work. Any time I try to connect to an online server i get an error, which seems to change each time.

The error I get is: Connection lost

Internal exception: io.netty.handler.codec.DecoderException: java.util.zip.DataFormatException:

Invalid distance too far back incorrect data check

size of 3 is below server threshold of 256

size of 64 is below server threshold of 256

or something similar to these errors. I have tried completely removing minecraft and java, and then reinstalling but this did not change anything. I get this error on any server that I join. I am using the .exe launcher with no mods and trying to join an unmodded server.

I can not figure out what is wrong. Has anyone else had issues similar to this or know what I can to do to get minecraft working. Any help is appreciated.

Which launcher version are you using? That could have something to do with it, or what Minecraft Version are you running? It also depends on what servers your trying to get onto, some of them are outdated or it’s with the server it’s self. It could also be your computer, sometimes if they’re too old they tend to glitch. if your using a launcher that needs Java, update Java (if it’s not) or get the new launcher. They are a number of things it could be.

Maybe try asking the owner of the server if it’s their server or your game that’s not working. Even if it’s any server, there are a GIANT amount that don’t work. Try the Hive. I don’t remember the IP but you could search it. if it STILL doesn’t work, Contact Mojang.

Hopefully this helped a little. I’m not an expert, but I know a bit about the topic.

Thanks for the reply. Using the 1.8.3 and using the new launcher. Removed and reinstalled Java. My computer is only 2 years old. I will try to contact Mojang. Thanks for the help

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DecoderException: java. util.zip.DataFormatException: incorrect header check #1558

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I start a new server, and only install fabric api 0.36.1,it’s show the error message (DecoderException: java. util.zip.DataFormatException: incorrect header check)

The text was updated successfully, but these errors were encountered:

Can confirm, had the same issue when updating my server from 1.17 to 1.17.1, I made sure everything was up to date about three times (that was on Sunday). Had to switch to Vanilla for now. Interestingly it didn’t happen on my local test server, even though I have the same Fabric version and mods there.

Can confirm, had the same issue when updating my server from 1.17 to 1.17.1, I made sure everything was up to date about three times (that was on Sunday). Had to switch to Vanilla for now. Interestingly it didn’t happen on my local test server, even though I have the same Fabric version and mods there.

Same, my local connection (in same device) everything correct.

I had this issue as well. I fixed it by removing the .fabric directory in your main minecraft directory

I had this issue as well. I fixed it by removing the .fabric directory in your main minecraft directory

Thank you so much, that seems to have fixed it for me 😀

Mind explaining what steps you used to update your server so it can be reproduced by us? This is likely an issue with the way the upgrade happened (possibly a fabric issue).

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