on any project without specified system environment variable JAVA_HOME - the build fails with the error: [ERROR] Failed to execute goal org.apache.maven.plugins:maven-jdeps-plugin:3.1.2:jdkinternals ...

After upgrading to maven-javadoc-plugin I noticed a NullPointerException in JavadocUtil.getJavaHome() when the JAVA_HOME environment variable isn't set: java.lang ...