问题 https://www.dariawan.com/tutorials/spring/documenting-spring-boot-rest-api-springdoc-openapi-3/ According to this, using springdoc openapi dependencies should pull in swagger3 I am using <dependency> <groupId>org.springdoc</groupId> <artifactId>springdoc-openapi-ui</artifactId> <version>1.2.15</version> </dependency> <dependency> <groupId>org.springdoc</groupId> <artifactId>springdoc-openapi-webmvc-core</artifactId> <version>1.2.15</version> </dependency> The swaggerui page looks for swagger