Spring boot에서 swagger를 사용하기

remark : 설치 및 실행 방법

1.gradle

implementation group: 'io.springfox', name: 'springfox-boot-starter', version: '3.0.0'

implementation group: 'io.springfox', name: 'springfox-boot-starter', version: '3.0.0'

2.실행

http://localhost:8080/swagger-ui/

3.에러시

org.springframework.context.ApplicationContextException: Failed to start bean 'documentationPluginsBootstrapper'; nested exception is java.lang.NullPointerException
	at org.springframework.context.support.DefaultLifecycleProcessor.doStart(DefaultLifecycleProcessor.java:181) ~[spring-context-5.3.23.jar:5.3.23]
	at org.springframework.context.support.DefaultLifecycleProcessor.access$200(DefaultLifecycleProcessor.java:54) ~[spring-context-5.3.23.jar:5.3.23]
	at org.springframework.context.support.DefaultLifecycleProcessor$LifecycleGroup.start(DefaultLifecycleProcessor.java:356) ~[spring-context-5.3.23.jar:5.3.23]
	at java.base/java.lang.Iterable.forEach(Iterable.java:75) ~[na:na]

org.springframework.context.ApplicationContextException: Failed to start bean 'documentationPluginsBootstrapper'; nested exception is java.lang.NullPointerException

at org.springframework.context.support.DefaultLifecycleProcessor.doStart(DefaultLifecycleProcessor.java:181) ~[spring-context-5.3.23.jar:5.3.23]

at org.springframework.context.support.DefaultLifecycleProcessor.access$200(DefaultLifecycleProcessor.java:54) ~[spring-context-5.3.23.jar:5.3.23]

at org.springframework.context.support.DefaultLifecycleProcessor$LifecycleGroup.start(DefaultLifecycleProcessor.java:356) ~[spring-context-5.3.23.jar:5.3.23]

at java.base/java.lang.Iterable.forEach(Iterable.java:75) ~[na:na]

4.에러시 – application.properties 에 추가

spring.mvc.pathmatch.matching-strategy=ant_path_matcher

spring.mvc.pathmatch.matching-strategy=ant_path_matcher