spring BeanCreationException confusion about mapping

Question

trying to integrate hibernate and spring ,I ran into this error

SEVERE: Context initialization failed org.springframework.beans.factory.BeanC

Answer 1

This is happening because you have both

and

The first line will auto-discover and register a SchoolController for you. By explicitly declaring another one, you get a duplicate, and the url-mapping will clash.

You need to either remove the , or remove the explicit bean definitions for the controller and the DAO. If you do the latter, then you'll need to use autowiring to inject their dependencies.