In order to run Oracle Application Express you must have access to certain Web listener releases.
In order to run Oracle Application Express you must have access to one of the following:
Oracle REST Data Services release 3.0.12 or later
Oracle REST Data Services Listener is a Java-based Web server. It features file system caching, offers improved file upload capability, and is certified with Oracle WebLogic Server, Oracle Glassfish Server, and Apache Tomcat.
Embedded PL/SQL gateway
Oracle XML DB Protocol Server with the embedded PL/SQL gateway installs with Oracle Database 11g Release 1 (11.1). It provides the database with a Web server and the necessary infrastructure to create dynamic applications.
Oracle HTTP Server and
Oracle HTTP Server uses the
mod_plsqlplug-in to communicate with the Oracle Application Express engine within the Oracle database.