MapViewer 12.2.1 is now available for download from OTN at http://www.oracle.com/technetwork/middleware/mapviewer/downloads/index.html
This version includes a generic EAR file which can be deployed to other JEE containers such as Tomcat or GlassFish. The WebLogic specific EAR requires WLS with JRF.
In addition, a new feature, dynamic tile layer, allows a client map application to define and create tile layers dynamically. Because it is independent from MapViewer's metadata definition for tile layers any number of dynamic tile layers can be created on the client side, making it very useful for interactive analytics. Dynamic tile layer capabilities include: