See https://builds.apache.org/job/maven-box/job/maven-jxr/job/JXR-139/6/
Changes: * JXR-139: upgrade maven-javadoc-plugin to prevent issues with Java N * JXR-139: upgrade maven-javadoc-plugin to prevent issues with Java N * JXR-139: upgrade maven-javadoc-plugin to prevent issues with Java N * JXR-139: upgrade maven-javadoc-plugin to prevent issues with Java N * JXR-139: upgrade maven-javadoc-plugin to prevent issues with Java N All tests passed
