Why does Spring MVC need at least two contexts?

Question

In Spring MVC, there are two contexts. One is the application context or global context which is booted up by ContextLoaderListener. It takes all the configurat

Answer 1

Check this answer About multiple containers in spring framework

Yes ,you can have one context only.

For code reuse it would be better to isolate services in Application Context rather then WebApplicationContext.but this not compulsion.you can keep only webApplicationcontext only.