Complete Newbie, Followed Tutorial, How Do I Build a jar

[Syric]

I followed a tutorial to make a patch between two mods. I now have a folder that looks like this.

I have essentially zero experience writing mods, using Forge, or using Gradle, which I know is less than basically everyone here, but I don't know where else to go. All I want to do is package this into a .jar and add it to my game. How do I do that?

I have tried opening a command line and running 'gradlew build' in this folder, as suggested by this minecraft forums thread.  The build ran for a while and then failed. The output is here. The issues seem to be that it couldn't find 'tools.jar' and 'net.minecraftforge:forge:1.16.4-35.1.0_mapped_snapshot_20201028-1.16.3'.

 

What should I do? To be clear, at the moment I am less interested in making a larger project or learning general Forge skills than I am in solving this immediate problem. All I want to do right now is install this patch so I can start using these mods together. I would greatly appreciate clear and easy-to-follow steps. Thank you for the help.

Edited December 30, 2020 by Syric

[ChampionAsh5357]

First, you do not have a Java Development Kit installed.

Second, take the time to learn the language if anything. Probably not the best idea to come to the forums saying you do not wish to learn.

[Syric]

Sorry about that, I know it's phrased badly. I do have a basic understanding of Java- just enough to do what little writing this project required. I'm not unwilling to learn, I'm just prioritizing immediately actionable advice over general skills. I said it because I've spent the last couple hours reading tutorials about general Forge modding skills and I just really, really need a list of steps to follow at this point.

[ChampionAsh5357]

As, I've already explained, you need to download some JDK 8. Then, attach it to your IDE of choice and use that to compile the jar.

[Syric]

Okay, I've put some time into it and I now have things running okay (I think)- I have JDK 8, and I'm using Intellij IDEA. My mod builds successfully. I have been told that the output .jar file is in build/libs, but the libs folder doesn't exist. My build folder looks like this. Have I done something wrong? 

 

I set up a jar artifact and compiled successfully, but it crashes the game on startup. This is the log file:

I suspect that it did not, in fact, compile successfully. My guess is that I set up the artifact wrong. What should I do?

Edited December 30, 2020 by Syric

[Syric]

Thank you! The last link I found to that page was broken. 

[Syric]

My mod now runs and functions perfectly when I launch Minecraft using 'gradlew runClient', which that link suggested for testing. However, when I take the jar I made with 'gradlew build' and put it in my Forge mods folder, Minecraft does not launch- I get this error instead.

For reference, my mod is 'Undergarden/Tetra Patch' and 'tetra' is one of the mods I'm attempting to work with.

 

Full crash log available here.

If anyone knows how to fix this error specifically, that's great, but the question I think would be easier to answer is 'why does this work with gradlew runClient but not in normal Minecraft'?

 

Thanks for your help. 

Edited December 31, 2020 by Syric

[DaemonUmbra]

When you tried to run your mod outside of development did you also remember to add the mod you're using into the mod folder?