Handle javadoc correctly.

4 jobs for master in 2 minutes and 38 seconds
Status Job ID Name Coverage
  Testing
passed #109919518
verify:jdk11

00:01:22

94.52%
passed #109919517
verify:jdk8

00:01:06

94.54%
 
  Post Release
passed #109919519
pages

00:01:14

 
  Deploy
passed pages:deploy

00:00:01