4.0.0 test-mixin base-parent 1.0.0-SNAPSHOT mixin1 pom 1.0.0-SNAPSHOT ${project.groupId}:${project.artifactId} HELLO DEFAULT MESSAGE FROM MIXIN org.apache.maven.extensions maven-build-cache-extension 1.0.1 org.apache.maven.plugins maven-antrun-plugin 3.1.0 echo-message initialize run We are now in initialize phase, running mixin1 with message: ${message}