Cannot build NB Javadoc: missing File org-openide-util/javadoc.css

root@ ~/NetBeansProjects/netbeans-src/nbbuild/javadoctools # ant -Dpermit.jdk9.builds=true

BUILD FAILED

/root/NetBeansProjects/netbeans-src/nbbuild/javadoctools/build.xml:48: The following error occurred while executing this line:

/root/NetBeansProjects/netbeans-src/nbbuild/javadoctools/build.xml:159: The org-openide-util/javadoc.css has to exist as we are referring to

            it from master module Javadoc pages. If it does not anymore, update

            the export*.xsl templates.

 

Total time: 1 second

openjdk version "11.0.5" 2019-10-15
OpenJDK Runtime Environment AdoptOpenJDK (build 11.0.5+10-201909052132)
OpenJDK 64-Bit Server VM AdoptOpenJDK (build 11.0.5+10-201909052132, mixed mode)