AppInitializer.java

public class AppInitializer implements WebApplicationInitializer {
    @Override
    public void onStartup(javax.servlet.ServletContext servletContext) throws ServletException {
        AnnotationConfigWebApplicationContext appContext = new AnnotationConfigWebApplicationContext();
        appContext.register(AppConfig.class);
        servletContext.addListener(new ContextLoaderListener(appContext));

        AnnotationConfigWebApplicationContext webConfig = new AnnotationConfigWebApplicationContext();
        webConfig.register(WebConfig.class);
        ServletRegistration.Dynamic servlet = servletContext.addServlet("dispatcher", new DispatcherServlet(webConfig));
        servlet.setLoadOnStartup(1);
        servlet.addMapping("/*");

        FilterRegistration.Dynamic csrfTokenGeneratorFilter = servletContext.addFilter("csrfTokenGeneratorFilter", CsrfTokenGeneratorFilter.class);
        csrfTokenGeneratorFilter.addMappingForUrlPatterns(null, false, "/*");

        FilterRegistration.Dynamic springSecurityFilterChain = servletContext.addFilter("springSecurityFilterChain", DelegatingFilterProxy.class);
        springSecurityFilterChain.addMappingForUrlPatterns(null, false, "/*");

        FilterRegistration.Dynamic hiddenHttpMethodFilter = servletContext.addFilter("hiddenHttpMethodFilter", HiddenHttpMethodFilter.class);
        hiddenHttpMethodFilter.addMappingForUrlPatterns(null, false, "/*");
    }
}