Support for NoSQL databases was introduced in EclipseLink 2.4.
To add support for NoSQL databases to EclipseLink, download and install eclipselink-plugins-nosql-ver_no.zip file from http://www.eclipse.org/eclipselink/downloads/. Use this bundle in conjunction with eclipselink.jar or the EclipseLink JPA bundles.
For information about NoSQL support, see Chapter 21, "Using EclipseLink with NoSQL Databases."