Since this night, maven site 3.3 plugins stop to work.
Try to delete local repository, but no change. Maven 3.3.9 java 1.8
No config or dependencies defined
The following versions in pom.xml fixed the problem for me:
org.apache.maven.plugins maven-site-plugin 3.7 org.apache.maven.plugins maven-project-info-reports-plugin 2.9