Olá meus caros, se por acaso ocorrer o erro abaixo:
GRAVE: Servlet.service() for servlet jsp threw exception
java.lang.IllegalArgumentException: Mapping mappingName not found: HC#index
at org.springframework.web.servlet.mvc.method.annotation.MvcUriComponentsBuilder.fromMappingName(MvcUriComponentsBuilder.java:245)
at sun.reflect.GeneratedMethodAccessor32.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
...Troque HC#index por HC#home no form.jsp