JAVA

spring cors allow all origins

HomeController.java
@CrossOrigin(origins = "*", allowedHeaders = "*")
@Controller
public class HomeController 
{
  @GetMapping(path="/")
  public String homeInit(Model model) {
    return "home";
  }
}

spring enable cors

@Controller
@CrossOrigin(origins = "http://localhost:3000")
public class MyController {

}

how to enable cors request on springboot application

package com.example.restservicecors;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.context.annotation.Bean;
import org.springframework.web.servlet.config.annotation.CorsRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;

@SpringBootApplication
public class RestServiceCorsApplication {

	public static void main(String[] args) {
		SpringApplication.run(RestServiceCorsApplication.class, args);
	}

	@Bean
	public WebMvcConfigurer corsConfigurer() {
		return new WebMvcConfigurer() {
			@Override
			public void addCorsMappings(CorsRegistry registry) {
				registry.addMapping("/greeting-javaconfig").allowedOrigins("http://localhost:8080");
			}
		};
	}

}COPY