dependency

<dependency>
  <groupId>io.springfox</groupId>
  <artifactId>springfox-swagger2</artifactId>
  <version>2.9.1</version>
</dependency>
<!-- swagger ui -->
<dependency>
  <groupId>io.springfox</groupId>
  <artifactId>springfox-swagger-ui</artifactId>
  <version>2.9.1</version>
</dependency>

as-is

@EnableSwagger2
@Configuration
public class SwaggerConfig extends WebMvcConfigurationSupport {

...

@Override
    public void addResourceHandlers(ResourceHandlerRegistry registry) {
        registry.addResourceHandler("/swagger-ui.html")
                .addResourceLocations("classpath:/META-INF/resources/");
        registry.addResourceHandler("/webjars/**")
                .addResourceLocations("classpath:/META-INF/resources/webjars/");
    }

...

}

to-be

@EnableSwagger2
@Configuration
public class SwaggerConfig implements WebMvcConfigurer {

...

@Override
    public void addResourceHandlers(ResourceHandlerRegistry registry) {
        registry.addResourceHandler("/swagger-ui.html")
                .addResourceLocations("classpath:/META-INF/resources/");
        registry.addResourceHandler("/webjars/**")
                .addResourceLocations("classpath:/META-INF/resources/webjars/");
    }

...

}

• WebMvcConfigurer를 implement하는 것으로 수정
• method override는 안해도 되는 것 같지만 우선 둔다.

AbstractSerializableParameter

• Illegal DefaultValue null for parameter type integer 예외 발생
  • https://github.com/springfox/springfox/issues/1100
  • 댓글 플로우 : 1) 그냥쓰세요 2) 제가 고쳤습니다 3) 여전히 오류나는데요
  • 일단 두고 추후에 검색해야겠음