Unable to detect the forge installer! about polymc HOT 28 CLOSED

@binex-dsk PolyMC depends on Zeker's ForgeWrapper for launching Forge, and he added support for 1.20.3 and 1.20.4 in 1.5.8 so the fix would be updating the ForgeWrapper on our meta server

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I just made a PR that fixes the issue here. Now we just wait for Lenny to merge it and from there polymc should just work

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What ways did you try to install?
Does Fabric with, e.g. Fabulously Optimized work?

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I installed the JAR file and then tried to allow executing permissions but there was no such option to allow executing.
I tried using sudo chmod +x filename to allow the executing permissions but still, it wouldn't execute
And then I used java -jar filename to run it and it worked, but when I selected the .minecraft folder of my instance, it said The directory is missing a launcher profile. Please run the minecraft launcher first. and it closed when I pressed "OK"
Edit: I also clicked on the "Install Forge" option and then selected "Download All" in the Edit Instance Menu but still am getting the same error.

from polymc.

Okay. What happens when you create a new Vanilla 1.20.4 instance, select Edit Instance, then Install Forge, and install 49.0.19? Doing that has no issues for me.

For now though, I would highly recommend using Fabric with Fabulously Optimized, it's significantly better than OptiFine on top of being open-source. If installing Fabric fails as well, then you probably are lacking write permissions or something.

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Thank you, and one last thing. Does Fabulously Optimized have a feature where light blocks glow when in your hand and when dropped or do I need to manually install another mod for it? Also for the feature where I can zoom in to things.
Edit: I forgot to tell you, the former doesn't work but the latter does. Thank you for your help.

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Thank you, and one last thing. Does Fabulously Optimized have a feature where light blocks glow when in your hand and when dropped or do I need to manually install another mod for it? Also for the feature where I can zoom in to things.
Edit: I forgot to tell you, the former doesn't work but the latter does. Thank you for your help.

Ok, it might be worth it to investigate this further but since I can't reproduce there's not much I can do for now.

I forget if Fabulously Optimized includes it, but if not, I think LambdDynamicLights is what you need. I believe it needs Cloth Config as well, but I think that's included too.

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Where is this handled? I don't see it on any of the meta repos.

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https://github.com/PolyMC/meta-scripts/blob/master/meta%2Fcommon%2Fforge.py
FORGEWRAPPER_MAVEN but I don't know how our maven works so you'll have to ask Lenny or something

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PolyMC/files#2

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I'm still seeing this after that pr was merged

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There's something wrong with the meta server, Lenny is investigating it

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@adamsong the meta server as fixed, are you still facing issues or is everything good?

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Sorry about the delay, still getting the error

SEVERE: Exception caught from launcher.
java.lang.reflect.InvocationTargetException
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:568)
	at org.polymc.impl.OneSixLauncher.invokeMain(OneSixLauncher.java:104)
	at org.polymc.impl.OneSixLauncher.launchWithMainClass(OneSixLauncher.java:176)
	at org.polymc.impl.OneSixLauncher.launch(OneSixLauncher.java:186)
	at org.polymc.EntryPoint.listen(EntryPoint.java:144)
	at org.polymc.EntryPoint.main(EntryPoint.java:74)
Caused by: java.lang.RuntimeException: Unable to detect the forge installer!
	at io.github.zekerzhayard.forgewrapper.installer.detector.IFileDetector.getDataFromInstaller(IFileDetector.java:157)
	at io.github.zekerzhayard.forgewrapper.installer.detector.IFileDetector.getInstallProfileExtraData(IFileDetector.java:136)
	at io.github.zekerzhayard.forgewrapper.installer.detector.IFileDetector.checkExtraFiles(IFileDetector.java:170)
	at io.github.zekerzhayard.forgewrapper.installer.Main.main(Main.java:38)
	... 9 more
Feb 22, 2024 8:28:26 AM org.polymc.EntryPoint main
INFO: Exiting with 1

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from Lenny:

first close PolyMC, then delete the folder %AppData%/PolyMC/meta and then it should work after re-opening PolyMC

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Where is that on linux?

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~/.local/share/PolyMC/

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Works now, thanks

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Doesn't work for me. Modpack Fear The Nightfall v12 from curseforge. I tried deleting polymc/meta directory. I'm using PolyMC 6.1 portable on windows.

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Doesn't work for me. Modpack Fear The Nightfall v12 from curseforge. I tried deleting polymc/meta directory. I'm using PolyMC 6.1 portable on windows.

I can't remember off the top of my head, but it might be in PolyMC/files.

If not, post your error, it might give some clues

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I don't have PolyMC/files directory, but I have PolyMC/meta directory. I tried deleting it, didn't help.
This directory %AppData%/PolyMC/meta does not exist.
Here is the error: https://gist.github.com/XakepSDK/2c1a1b2edf7d67087360eaf9772d3591

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Are you 100% sure that you closed PolyMC before deleting the directory?

from polymc.

Yes

from polymc.

aparently polymc of any version stoped download forge installer, check under the folder: \libraries\net\minecraftforge\forge\1.19.2-43.3.5\ if you have forge-1.19.2-43.3.5-installer.jar
btw, you can solve this just downloading the correct forge version > https://maven.minecraftforge.net/net/minecraftforge/forge/1.19.2-43.3.5/forge-1.19.2-43.3.5-installer.jar
place on the folder and try again

from polymc.

I'm having the same issue trying to run forge modpacks from 1.19 and 1.20. Fabric modpacks work fine, so does vanilla mc.

SEVERE: Exception caught from launcher.
java.lang.reflect.InvocationTargetException
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
	at java.base/java.lang.reflect.Method.invoke(Unknown Source)
	at org.polymc.impl.OneSixLauncher.invokeMain(OneSixLauncher.java:104)
	at org.polymc.impl.OneSixLauncher.launchWithMainClass(OneSixLauncher.java:176)
	at org.polymc.impl.OneSixLauncher.launch(OneSixLauncher.java:186)
	at org.polymc.EntryPoint.listen(EntryPoint.java:144)
	at org.polymc.EntryPoint.main(EntryPoint.java:74)
Caused by: java.lang.RuntimeException: Unable to detect the forge installer!
	at io.github.zekerzhayard.forgewrapper.installer.detector.IFileDetector.getDataFromInstaller(IFileDetector.java:157)
	at io.github.zekerzhayard.forgewrapper.installer.detector.IFileDetector.getInstallProfileExtraData(IFileDetector.java:136)
	at io.github.zekerzhayard.forgewrapper.installer.detector.IFileDetector.checkExtraFiles(IFileDetector.java:170)
	at io.github.zekerzhayard.forgewrapper.installer.Main.main(Main.java:38)
	... 9 more
Feb 29, 2024 8:12:35 AM org.polymc.EntryPoint main
INFO: Exiting with 1
Process exited with code 1. 

This is what the error code looks like and I'm pretty sure its a forge installer issue.

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This is most likely due to the fact every single forge installer has been updated, thus causing checksums to change and prob some other things. This was due to something on mojang's end where they decided to kill off one domain, causing every installer to just break

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@XakepSDK @atzaveri @shroneko The PR's been merged. Try it now after deleting the meta directory.

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It works! Thank you.

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