We need rubygem-asciidoctor shipped in RHV-M 4.2 channel
Verified, build rubygem-asciidoctor-1.5.2-2.el7ev is attached to erratum.
Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory, and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. https://access.redhat.com/errata/RHEA-2018:1493
BZ<2>Jira Resync