code: @Override
  	public void onApplicationEvent(ApplicationEvent event) {
  		if (event instanceof ContextRefreshedEvent) {
  		    // Firstly dump out all the properties read from the various files
  		    dumpProperties();
              // now init the identity resolver
              setIdentityResolver(identityResolverFactory.getIdentityResolver());
              // start
              start();
  		}
  	}
docs: In the case of ContextRefreshedEvent (that is, once all Spring configuration is loaded), the services will be
  initialised