@Bean
    public WebMvcConfigurer corsConfigurer()
    {
        return new WebMvcConfigurerAdapter()
        {
            @Override
            @CrossOrigin(origins = "http://localhost:4200")
            public void addCorsMappings(CorsRegistry registry)
            {
                registry.addMapping("/demo-service/testString").allowedOrigins("*");
            }
        };
    }