from support ticket: 

----------------

At https://access.redhat.com/documentation/en-us/red_hat_jboss_core_services/2.4.37/html/apache_http_server_installation_guide/installing_jboss_core_services_apache_http_server_on_red_hat_enterprise_linux Note With the release of RHEL 8, JBCS no longer uses the yum groupinstall command. For complete instructions on installing and configuring HTTPD on RHEL 8, please see this link This link gives a 404 https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/deploying_different_types_of_servers/setting-apache-web-server_deploying-different-types-of-servers#running-httpd-service_setting-apache-web-server

------------------