This figure shows a 10.1.3.2 middle tier that contains Oracle HTTP Server, Oracle WebCenter Framework, and Oracle Content DB. The Oracle home contains the following OC4J instances:

• home

  This OC4J instance contains Application Server Control. It also runs WebCenter applications and Oracle Metadata Services. Jazn-xml and the system-jazn-data.xml file are on this instance.

• OC4J_WebCenter

  This OC4J instance contains the portlet container and portlet producers.

• OC4J_Content

  This OC4J instance points to a database that contains Oracle Content DB.

Oracle HTTP Server communicates with the OC4J instances using AJP.