AFAIK Asciidoctor uses JRuby and the version of JRuby here is not Java 9 compatible. Not even sure if any version of JRuby is.
2016-07-07 13:17 GMT+02:00 Russel Winder <rus...@winder.org.uk>: > After 18 mins of tense and anxious waiting, I have an installation of > Groovy using JDK9. Sponditious. :-) > > However: > > > :asciidoctor FAILED > :asciidoctorAssets > > FAILURE: Build failed with an exception. > > * What went wrong: > Execution failed for task ':asciidoctor'. > > java.lang.ExceptionInInitializerError (no error message) > > > > -- > > Russel. > > ============================================================================= > Dr Russel Winder t: +44 20 7585 2200 voip: > sip:russel.win...@ekiga.net > 41 Buckmaster Road m: +44 7770 465 077 xmpp: rus...@winder.org.uk > London SW11 1EN, UK w: www.russel.org.uk skype: russel_winder