Loading <server>:8080 into a browser works. But when clicking the button to access the ROC it returns the error:
HTTP Status 404 - /datamanagement/index.jsp
Also, when trying to log into ASAP with your user/pass it returns the error: Failed to contact Nolio Server.
Accessing the ROC and getting the 404 is typically more telling than an error while trying to login to ASAP UI.
Release Automation 18.104.22.168
This problem was related to Oracle preventing all JDBC connections from being made. The sqldeveloper tool experienced the same exact problem.
There are a number of articles on the internet pointing to the SID vs. ServiceName and other things. When running lsnrctl status it showed that the SID/SERVICE (being used by RA) was READY as well as a few UNKNOWN. The lsnrctl status also showed the TCP protocol was using the IPV6 address.
Please consult your Oracle DBA if you experience the errors shown in the "Additional Information" section below. This way they can confirm the root cause and identify an appropriate solution instead of making misc configuration changes to oracle without their approval.
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You can normally search for version_table to see how the connection to the database is going.