Oracle WebCenter Portal 14c (14.1.2.0.0) is now certified with Oracle E-Business Suite Release 12.2. Oracle WebCenter Portal 14.2.1.0.0 is part of Oracle WebCenter 14.1.2.0.0.

Oracle WebCenter Portal is an integrated suite of tools that provide a foundation for the next-generation user experience (UX) with Oracle Fusion Middleware and Oracle E-Business Suite. It is used to build enterprise-scale intranet and extranet portals that can support thousands of users who create, update, and access content and data from multiple back-end sources.
Certified Platforms
For platforms, browsers, and related software supported and certified with Oracle WebCenter Portal, refer to Oracle Fusion Middleware Supported System Configurations. Integration of Oracle E-Business Suite with Oracle WebCenter Portal involves components spanning several different suites of Oracle products. There are no restrictions on which platform any particular component may be installed so long as the platform is supported for that component.
Integration with Oracle WebCenter Portal involves components spanning several different suites of Oracle products. There are no restrictions on which platform any particular component may be installed so long as the platform is supported for that component.
References
