Create a custom installation of Eclipse with Oracle Tools, by choosing the desired OEPE release and the required capabilities.
Launch Network Installer
These distributions include Eclipse with Oracle Tools already installed. Just download and unzip.
IMPORTANT: MAF developers installing the Luna variant of this OEPE release from a packaged distribution should immediately search for updates in order to get an important fix to MAF 2.1.1 support.
Developers with an existing Eclipse installation can use OEPE plugin repository to install the required Oracle Tools.
Mars M6: http://download.oracle.com/otn_software/oepe/18.104.22.168/mars/repository