How to upgrade ALL the spring dependency?

Question

I have a spring-webmvc based web application. It used the org.springframework.web.servlet.support.AbstractAnnotationConfigDispatcherServletInitializer which is not

Answer 1

If you using maven build tool,so it's very simple to upgrade spring 3 to spring 4 you just open pom.xml file in the properties xml tag just change the version 3.x.x to 4 something. e.g:

3.0.2.RELEASE

to

4.0.2.RELEASE