Solving the Frustrating “Gradle Plugin Not Found” Issue After publishToMavenLocal

Ah, the infamous “Gradle plugin not found” error after publishing to Maven Local. You’re not alone, my friend! Many developers have been there, done that, and pulled their hair out in frustration. But fear not, for we’re about to embark on a journey to conquer this pesky issue once and for all!

What’s Going On?

Before we dive into the solution, let’s quickly understand what’s happening behind the scenes. When you publish your Gradle project to Maven Local, the plugin is supposed to be installed in your local Maven repository. However, sometimes Gradle fails to find the plugin, leading to the dreaded error message.

This issue can occur due to various reasons, including:

• Incorrect plugin configuration
• Missing dependencies
• Version conflicts
• Broken Maven repository

Step-by-Step Solution

Fear not, dear developer! We’re about to tackle this issue with a clear, step-by-step approach. So, grab a cup of coffee, take a deep breath, and let’s get started!

Step 1: Check Your Plugin Configuration

First things first, let’s ensure your plugin configuration is correct. Open your `build.gradle` file and verify the following:

plugins {
  id 'maven-publish'
}

Make sure the `maven-publish` plugin is correctly declared. If you’re using a different plugin, ensure it’s correctly configured.

Step 2: Verify Dependencies

Next, let’s check if all dependencies are present and accounted for. In your `build.gradle` file, add the following:

repositories {
  mavenLocal()
  mavenCentral()
}

dependencies {
  // Your dependencies go here
}

This ensures that Gradle is using both the Maven Local and Maven Central repositories. If you’re using a different repository, add it to the list.

Step 3: Publish to Maven Local (Again)

Now, let’s try publishing your project to Maven Local once more:

./gradlew publishToMavenLocal

This should recreate the plugin in your local Maven repository. Keep an eye on the console output to see if any errors occur.

Step 4: Check the Maven Local Repository

Let’s take a peek at the Maven Local repository to ensure the plugin is indeed installed:

cd ~/.m2/repository
ls | grep your-plugin-name

Replace `your-plugin-name` with the actual name of your plugin. If the plugin is not listed, it’s likely the publishing process failed.

Step 5: Clean and Rebuild

Sometimes, a simple clean and rebuild can work wonders:

./gradlew clean build

This will remove any existing build artifacts and rebuild your project from scratch.

Step 6: Check for Version Conflicts

Version conflicts can be a sneaky culprit. Let’s check if there are any conflicting versions of your plugin:

./gradlew dependencyInsight --configuration compile --dependency your-plugin-name

This command will display a detailed dependency tree, helping you identify any version conflicts.

Step 7: Try a Different Maven Repository

If all else fails, try using a different Maven repository:

repositories {
  maven {
    url 'https://repo.maven.apache.org/maven2/'
  }
}

This example uses the Maven Central repository. You can try other repositories, such as JCenter or your own custom repository.

Bonus Troubleshooting Tips

If you’re still stuck, here are some additional troubleshooting tips:

• Check the Gradle console output for any errors or warnings.
• Verify that your Maven repository is correctly configured.
• Try deleting the Maven Local repository and rebuilding your project.

Troubleshooting Tip	What to Check
Gradle Console Output	Errors or warnings related to the plugin or Maven repository
Maven Repository Configuration	Correct configuration of the Maven Local repository
Maven Local Repository Deletion	Delete the Maven Local repository and rebuild the project

Conclusion

There you have it, folks! By following these steps and troubleshooting tips, you should be able to resolve the “Gradle plugin not found” issue after publishing to Maven Local. Remember to stay calm, be patient, and don’t hesitate to seek help if you’re still stuck.

Happy coding, and may the Gradle forces be with you!

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Frequently Asked Question

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