In Eclipse Kepler,
- go to Help, select ‘Install New Software’
- Choose “Kepler- http://download.eclipse.org/releases/kepler” site or add it in if it’s missing.
- Expand “Web, XML, and Java EE Development” section Check
JST Server Adapters
and JST Server Adapters Extensions
and install it
After Eclipse restart, go to Window / Preferences / Server / Runtime Environments