I'm not sure how to report these sorts of issues, so trying here.

The following links are broken on the EAP 7.3 official documentation [1]:

"This workflow assumes that you already have an active OpenShift Online subscription and that you have installed the OpenShift CLI."

[1] https://access.redhat.com/documentation/en-us/red_hat_jboss_enterprise_application_platform/7.3/html/getting_started_with_jboss_eap_for_openshift_online/build_run_java_app_s2i#prerequisites