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Trying to install forge 1.20.1 and I'm getting Failed to run processor: java.io.EOFException:Unexpected end of ZLIB input stream

Hazardous Potato

By Hazardous Potato
in Support & Bug Reports

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Hazardous Potato Tree Puncher

Hazardous Potato

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Posted

When i try to install forge 1.20.1 I get the error in the description. I am using an M2 macbook pro if that helps, also i gave the log files for both the recommended and latest, i couldn't figure out how to upload the file, so thats why i'm giving 2 google doc links:

Latest:

https://docs.google.com/document/d/1w8XphCjgTD2SGiUNNWFcyaIJBRgYiKFpvUX_Mmp7Co8/edit?usp=sharing

Recommended:

https://docs.google.com/document/d/10w-AiyLPuL_gq_WvYiIUm5HSsX9o7gtCwkg9v9ZepkQ/edit?usp=sharing

warjort Reality Controller

warjort

Posted
Posted
  Quote

java.io.EOFException: Unexpected end of ZLIB input stream

Expand  

The zlib error message says the file is "truncated", i.e. it probably didn't fully download.

  Quote

JVM info: Oracle Corporation - 1.8.0_391 - 25.391-b13

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It shouldn't make any difference for the insall? But you will need java 17 to run minecraft 1.20

Boilerplate:

If you don't post your logs/debug.log we can't help you. For curseforge you need to enable the forge debug.log in its minecraft settings. You should also post your crash report if you have one.

If there is no error in the log file and you don't have a crash report then post the launcher_log.txt from the minecraft folder. Again for curseforge this will be in your curseforge/minecraft/Install

Large files should be posted to a file sharing site like https://gist.github.com  You should also read the support forum sticky post.

warjort Reality Controller

warjort

Posted
Posted (edited)

Here's how somebody else fixed a similar problem today.

https://forums.minecraftforge.net/topic/141592-problem-when-installing-forge-1171-client-side-mac/#comment-561476

Their problem was the original vanilla minecraft download was corrupted (hadn't finished downloading properly).

Your log shows a similar problem (mismatched checksums):

  Quote

Cache: 

    /Users/sterlingrussell/Library/Application Support/minecraft/libraries/net/minecraft/client/1.20.1-20230612.114412/client-1.20.1-20230612.114412-slim.jar

      Expected: de86b035d2da0f78940796bb95c39a932ed84834

      Actual:   2fc4e8fe00b06689e26c059790924656b4db2bed

    /Users/sterlingrussell/Library/Application Support/minecraft/libraries/net/minecraft/client/1.20.1-20230612.114412/client-1.20.1-20230612.114412-extra.jar

      Expected: 8c5a95cbce940cfdb304376ae9fea47968d02587

      Actual:   c74e0edcd9e2589b53b9f4d3841198e300771fb5

Expand  

You can find the vanilla installs in the "versions" subfolder of your minecraft folder.

e.g.  from your log above: /Users/sterlingrussell/Library/Application Support/minecraft/versions/1.20.1/1.20.1.jar

Edited by warjort

Boilerplate:

If you don't post your logs/debug.log we can't help you. For curseforge you need to enable the forge debug.log in its minecraft settings. You should also post your crash report if you have one.

If there is no error in the log file and you don't have a crash report then post the launcher_log.txt from the minecraft folder. Again for curseforge this will be in your curseforge/minecraft/Install

Large files should be posted to a file sharing site like https://gist.github.com  You should also read the support forum sticky post.

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