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Forge MDK not working with Intellij


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Posted (edited)

This never happened before and now when I try to run Minecraft Client it gives me says: "Error: Could not find or load main class GradleStart"

Here is everything I did:

First I extracted Forge MDK and ran

gradlew.bat setupDecompWorkspace

No errors.

Then I opened Intellij and clicked "Import Project" using build.gradle. Then I got this (as every time before and it still worked):

Cannot determine classpath for resource 'java/sql/SQLException.class' from location 'jrt:/java.sql/java/sql/SQLException.class'.

The project uses Gradle 2.7 which is incompatible with IDEA running on Java 10 or newer.
See details at https://github.com/gradle/gradle/issues/8431
Possible solution:
 - Upgrade Gradle wrapper to 4.8.1 version and re-import the project

I clicked Upgrade Gradle wrapper and then ran

gradlew.bat genIntellijRuns

I got some errors here but I figured out that when I deleted .idea folder and ran

gradlew.bat idea genIntellijRuns

It generated .idea directory for me and ran without errors.

Then I just tried to run Minecraft Client and got this error

Error: Could not find or load main class GradleStart

Any ideas?

 

EDIT:

Also I haven't used Eclipse in a long time but I downloaded it just to try if it works and for Eclipse everything worked fine

Edited by Vert3xo
Posted

Run gradlew wrapper --gradle-version 4.9 twice and reimport

This is my Forum Signature, I am currently attempting to transform it into a small guide for fixing easier issues using spoiler blocks to keep things tidy.

 

As the most common issue I feel I should put this outside the main bulk:

The only official source for Forge is https://files.minecraftforge.net, and the only site I trust for getting mods is CurseForge.

If you use any site other than these, please take a look at the StopModReposts project and install their browser extension, I would also advise running a virus scan.

 

For players asking for assistance with Forge please expand the spoiler below and read the appropriate section(s) in its/their entirety.

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