title: Maven 3.6.2 issue during dependency download
body: <p>I'm getting below . Can someone please let me know why is this happening?</p>
  
  <blockquote>
    <p>[ERROR] Plugin org.apache.maven.plugins:maven-clean-plugin:2.5 or one
    of its dependencies could not be resolved: Failed to read artifact
    descriptor for org.apache.maven.plugins:maven-clean-plugin:jar:2.5:
    Could not transfer artifact
    org.apache.maven.plugins:maven-clean-plugin:pom:2.5 from/to central
    (<a href="https://repo.maven.apache.org/maven2" rel="nofollow noreferrer">https://repo.maven.apache.org/maven2</a>):
    sun.security.validator.ValidatorException: PKIX path building failed:
    sun.security.provider.certpath.SunCertPathBuilderException: unable to
    find valid certification path to requested target</p>
  </blockquote>