Facets
Por defecto al usar con maven-archetypes-webapp
Java Compiler
Java 1.7
Update Project / Para Compilar
Properties > Deployment Assembly > Add > Java Build Path > Maven
Servidor
Tomcat 7
NOTA: Se requiere una version menor a Java API Servlet 3.0 de lo contrario, no funcionara la app
http://stackoverflow.com/questions/32324630/404-error-page-configuration-with-spring-4-annotations http://websystique.com/springmvc/spring-4-mvc-helloworld-tutorial-annotation-javaconfig-full-example/ https://www.mkyong.com/spring-mvc/gradle-spring-4-mvc-hello-world-example-annotation/