public class  extends WebMvcConfigurerAdapter {
  @Override
  public void addCorsMappings(CorsRegistry registry) {
    registry.addMapping("/**")
        .allowedHeaders("*")
        .allowedMethods("*")
        .allowedOrigins("*");
  }
}

public class  extends WebMvcConfigurerAdapter {
  @Override
  public void addCorsMappings(CorsRegistry registry) {
    registry.addMapping("/**")
        .allowedHeaders("*")
        .allowedMethods("*")
        .allowedOrigins("*");
  }
  @Bean
  public CorsFilter corsFilter() {
    final UrlBasedCorsConfigurationSource urlBasedCorsConfigurationSource = new UrlBasedCorsConfigurationSource();
    final CorsConfiguration corsConfiguration = new CorsConfiguration();
    corsConfiguration.setAllowCredentials(true);
    corsConfiguration.addAllowedOrigin("*");
    corsConfiguration.addAllowedHeader("*");
    corsConfiguration.addAllowedMethod("*");
    urlBasedCorsConfigurationSource.registerCorsConfiguration("/**", corsConfiguration);
    return new CorsFilter(urlBasedCorsConfigurationSource);
  }
}