In addition, any Servlet or Filter beans defined in the context will be
automatically registered with the web server. In the case of a single Servlet bean, the
'/' mapping will be used. If multiple Servlet beans are found then the lowercase bean
name will be used as a mapping prefix. Any Servlet named 'dispatcherServlet' will
always be mapped to '/'. Filter beans will be mapped to all URLs ('/*').
public static final String DISPATCHER_SERVLET_NAME
Constant value for the DispatcherServlet bean name. A Servlet bean with this name
is deemed to be the "main" servlet and is automatically given a mapping of "/" by
default. To change the default behavior you can use a
ServletRegistrationBean or a different bean name.
Returns the namespace of the web server application context or null if no
namespace has been set. Used for disambiguation when multiple web servers are
running in the same application (for example a management context running on a