Maven 3.9 removes plexus-utils #19509

mwhite-amplify · 2023-04-03T20:52:51Z

mwhite-amplify
Apr 3, 2023

According to the release notes for Maven 3.9:

Maven 2.x was auto-injecting an ancient version of plexus-utils dependency into the plugin classpath, and Maven 3.x continued doing this to preserve backward compatibility. Starting with Maven 3.9, it does not happen anymore. This change may lead to plugin breakage. The fix for affected plugin maintainers is to explicitly declare a dependency on plexus-utils. The workaround for affected plugin users is to add this dependency to plugin dependencies until issue is fixed by the affected plugin maintainer. See MNG-6965.

This results in a build error when using a newer version of Maven.

The solution is to make the following change to the main pom.xml:

<plugin>
    <groupId>com.samaxes.maven</groupId>
    <artifactId>minify-maven-plugin</artifactId>
    <version>${minify.plugin.version}</version>
    <dependencies>
         <dependency>
             <groupId>org.codehaus.plexus</groupId>
             <artifactId>plexus-utils</artifactId>
             <version>3.2.1</version>
        </dependency>
    </dependencies>
</plugin>

The minify-maven-plugin does have a PR to fix this, but it's been open since February, and no commits have been made to the repo since 2016.

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Maven 3.9 removes plexus-utils #19509

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Maven 3.9 removes plexus-utils #19509

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mwhite-amplify Apr 3, 2023

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mwhite-amplify
Apr 3, 2023