In this article we are going to discuss the two most important framework API out there and discuss their suitability for REST API Implementation.
In general both Spring and Jersey support REST API spec and are equality great. If you are already in to Spring then no need to implement the REAT API using Jersey implementation of JAX-RX.
Please note that Spring 3 is not using based on JSR-311. So if you need JAX-RS on spring then you may want to using Jersey framework.