Part 4 can be found here
It's not clearly stated in the Spring documentation but the auto-wiring stage for DispatcherServlets only scan through the beans within it's specific application context searching for autowiring annotations (@Autowired, @Qualifier, etc.), it does not venture into the root application context to wire those beans.
It sometimes appears that it does cross that root context boundary if you have root bean classes annotated with one of the @Component family and you enable your web application's component scanning to include that package. What happens is that the bean is loaded into the root application context and then an overwritten version is loaded into the WebApplicationContext. This overlaid version is then auto-wired as it lives inside the WebApplicationContext.
Part 6 can be found here
It's not clearly stated in the Spring documentation but the auto-wiring stage for DispatcherServlets only scan through the beans within it's specific application context searching for autowiring annotations (@Autowired, @Qualifier, etc.), it does not venture into the root application context to wire those beans.
It sometimes appears that it does cross that root context boundary if you have root bean classes annotated with one of the @Component family and you enable your web application's component scanning to include that package. What happens is that the bean is loaded into the root application context and then an overwritten version is loaded into the WebApplicationContext. This overlaid version is then auto-wired as it lives inside the WebApplicationContext.
Part 6 can be found here
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