module project using java 21 failed due to older asm version

[sellersj]

Problem

Using the plugin and a module project with java 21 I got an ASM unknown bytecode version 65.

plexus-java is what pulls in asm 9.2.

Work around

In the plugin config just define a newer asm version

        <plugin>
          <groupId>com.github.akman</groupId>
          <artifactId>jpackage-maven-plugin</artifactId>
          <version>0.1.5</version>
             <dependencies>
            <!-- need a newer version of asm to support java 21 -->
            <dependency>
              <groupId>org.ow2.asm</groupId>
              <artifactId>asm</artifactId>
              <version>9.6</version>
            </dependency>
          </dependencies>
        </plugin>

Longer term solution

I think is to move to eclipse sisu which I think the plugins are switching to. https://codehaus-plexus.github.io/plexus-containers/plexus-component-metadata/#deprecated https://eclipse.dev/sisu/