CurrentUser.java

public class WebConfig extends WebMvcConfigurationSupport {
   @Bean
    public AuthenticationPrincipalArgumentResolver authPrincipalArgResolver(){
        return new AuthenticationPrincipalArgumentResolver();
    }
    
    @Override
    public void addArgumentResolvers(List<HandlerMethodArgumentResolver> argumentResolvers) {
        argumentResolvers.add(authPrincipalArgResolver());
    }
}