ee.j2se version 1.8 is based on the official Oracle Java 8 API documentation which is not complete, following packages are missing
ee.j2se version 1.8 is based on the official Oracle Java 8 API
documentation which is not complete, following packages are missing

org.w3c.dom.css
org.w3c.dom.html
org.w3c.dom.ranges
org.w3c.dom.stylesheets
org.w3c.dom.traversal
org.w3c.dom.xpath

Oracle Java Bug reported. Oracle is evaluating... 
peterkir/ee.j2se-1.8