인프런 커뮤니티 질문&답변

말씀해주신대로 pom dependency 와 SwaggerConfig 파일을 추가하였는데 위와 같이 에러가 납니다...

안녕하세요, 이도원입니다. 

apigateway-service에 swagger를 적용하시는 걸 말씀하시는 건가요? pom.xml과 SwaggerConfig.java 파일을 추가하시면 될 것 같습니다. 다만 apigateway-service에는 Controller를 별도로 추가하지 않은 상태로 어떤 actuator에 대한 기본적인 Endpoints가 확인 될 것 같습니다.

<dependency>
    <groupId>io.springfox</groupId>
    <!--            <artifactId>springfox-swagger2</artifactId>-->
    <artifactId>springfox-boot-starter</artifactId>
    <version>3.0.0</version>
</dependency>

<dependency>
    <groupId>io.springfox</groupId>
    <artifactId>springfox-swagger-ui</artifactId>
    <!--            <version>2.9.2</version>-->
    <version>3.0.0</version>
</dependency>

package com.example.apigatewayservice.config;

import org.springframework.boot.actuate.autoconfigure.endpoint.web.CorsEndpointProperties;
import org.springframework.boot.actuate.autoconfigure.endpoint.web.WebEndpointProperties;
import org.springframework.boot.actuate.autoconfigure.web.server.ManagementPortType;
import org.springframework.boot.actuate.endpoint.ExposableEndpoint;
import org.springframework.boot.actuate.endpoint.web.*;
import org.springframework.boot.actuate.endpoint.web.annotation.ControllerEndpointsSupplier;
import org.springframework.boot.actuate.endpoint.web.annotation.ServletEndpointsSupplier;
import org.springframework.boot.actuate.endpoint.web.servlet.WebMvcEndpointHandlerMapping;
import org.springframework.context.annotation.Bean;
import org.springframework.core.env.Environment;
import org.springframework.util.StringUtils;
import springfox.documentation.service.ApiInfo;
import springfox.documentation.service.Contact;
import springfox.documentation.spi.DocumentationType;
import springfox.documentation.spring.web.plugins.Docket;
import springfox.documentation.swagger2.annotations.EnableSwagger2;

import java.util.*;

//@Configuration
@EnableSwagger2
public class SwaggerConfig {
    private static final Contact DEFAULT_CONTACT = new Contact("Kenneth Lee",
            "http://www.joneculsting.co.kr", "edowon@joneconsluting.co.kr");
    private static final ApiInfo DEFAULT_API_INFO = new ApiInfo("Awesome API Title",
            "Awesome API Documentation", "1.0", "urn:tos",
            DEFAULT_CONTACT, "Apache 2.0",
            "http://www.apache.org/licenses/LICENSE-2.0", new ArrayList());
    private static final Set<String> DEFAULT_PRODUCES_AND_CONSUMES = new HashSet<>(Arrays.asList(
            "application/json", "application/xml"));

    @Bean
    public WebMvcEndpointHandlerMapping webEndpointServletHandlerMapping(WebEndpointsSupplier webEndpointsSupplier,
                                                                         ServletEndpointsSupplier servletEndpointsSupplier,
                                                                         ControllerEndpointsSupplier controllerEndpointsSupplier,
                                                                         EndpointMediaTypes endpointMediaTypes,
                                                                         CorsEndpointProperties corsProperties,
                                                                         WebEndpointProperties webEndpointProperties,
                                                                         Environment environment) {
        List<ExposableEndpoint<?>> allEndpoints = new ArrayList<>();
        Collection<ExposableWebEndpoint> webEndpoints = webEndpointsSupplier.getEndpoints();
        allEndpoints.addAll(webEndpoints);
        allEndpoints.addAll(servletEndpointsSupplier.getEndpoints());
        allEndpoints.addAll(controllerEndpointsSupplier.getEndpoints());
        String basePath = webEndpointProperties.getBasePath();
        EndpointMapping endpointMapping = new EndpointMapping(basePath);
        boolean shouldRegisterLinksMapping = this.shouldRegisterLinksMapping(webEndpointProperties, environment, basePath);
        return new WebMvcEndpointHandlerMapping(endpointMapping, webEndpoints, endpointMediaTypes,
                corsProperties.toCorsConfiguration(),
                new EndpointLinksResolver(allEndpoints, basePath), shouldRegisterLinksMapping);
    }

    private boolean shouldRegisterLinksMapping(WebEndpointProperties webEndpointProperties, Environment environment, String basePath) {
        return webEndpointProperties.getDiscovery().isEnabled() && (StringUtils.hasText(basePath) || ManagementPortType.get(environment).equals(ManagementPortType.DIFFERENT));
    }

    @Bean
    public Docket api() {
        return new Docket(DocumentationType.SWAGGER_2)
                .apiInfo(DEFAULT_API_INFO)
                .produces(DEFAULT_PRODUCES_AND_CONSUMES)
                .consumes(DEFAULT_PRODUCES_AND_CONSUMES)
                ;
    }

//    @Bean
//    public Docket api() {
//        return new Docket(DocumentationType.SWAGGER_2)
//                .select()
//                .apis(RequestHandlerSelectors.any())
//                .paths(PathSelectors.any())
//                .build();
//    }
}

감사합니다.