Install eclipse -> Install eclipse -> install JBT (Help -> install new software -> http://download.jboss.org/jbosstools/photon/staging/updates/) -> restart -> open RH Central -> Install/Update -> Find: Spring -> Select Spring IDE -> install -> restart -> open Spring perspective -> click "Find" -> RequestMappings is not available
Repeat same steps with some old CRS, for example 12.19.1.AM1 and see RequestMappings in the list