APEX 5 Upgrade issue

Description While upgrading APEX 4.1 to APEX 5.0 on database 11.2.0.3 and Oracle Embedded PL/SQL Gateway (EPG) an issue occurred. The installation didn’t work anymore. Following message was displayed before the login page was even loaded: The message says, in essence, that the static files of the APEX installation cannot be found. There is a…