And yet, people say they have this working in Java 11. I would really like to see more of their configuration...

[INFO] Restricted to JDK 1.7 yet javax.xml.bind:jaxb-api:jar:2.3.1:compile contains javax/xml/bind/JAXBElement.class targeted to JDK 1.8
[INFO] Ignoring requireUpperBoundDeps in com.google.guava:guava
[INFO] Ignoring requireUpperBoundDeps in com.google.code.findbugs:jsr305
[WARNING] Rule 2: org.apache.maven.plugins.enforcer.EnforceBytecodeVersion failed with message:
Found Banned Dependency: javax.xml.bind:jaxb-api:jar:2.3.1
Use 'mvn dependency:tree' to locate the source of the banned dependencies.