I have recently installed Oracle 11gR2, Apex 4.2, WebLogic 12, and Apex Listener apex_listener Version: 126.96.36.1998.17.05
I wanted to run ListenerConfigure page, yet I saw the page content of below text:
This installation has not yet been configured
Please consult your Oracle Application Express Listener documentation for instructions on how to complete configuration of this instance.
This instance is using the following configuration folder: