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Converting Gradle Project to Maven Project (Gradle 7+), Solving 'Plugin with id maven not found'

1. Using Maven Publishing Plugin to Generate pom.xml​

1.1 Add maven-publish to plugins​

id 'maven-publish'

image.png

1.2 Add publishing configuration​

publishing {
    publications {
        maven(MavenPublication) {
            groupId = 'org.gradle.sample'
            artifactId = 'library'
            version = '1.1'

            from components.java
        }
    }
}

1.3 Publish to Maven Local​

Click on Gradle in the right panel of IDEA, then select 'publishToMavenLocal'.

This will generate the corresponding jar in your local Maven repository. Find library-1.1.pom. image.png

Rename this file to pom.xml and place it in the project root directory to complete the conversion from Gradle to Maven project.

Some fine-tuning may still be needed.

2. References​

How to convert Gradle to maven in eclipse

Maven Publish Plugin