org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name ‘doc

报错信息

index.php/tags-1038.html" class="superseo">org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'documentationPluginsBootstrapper' defined in URL [jar:file:/D:/Develop/apache-maven-3.6.1-bin/repository/io/springfox/springfox-spring-web/2.10.5/springfox-spring-web-2.10.5.jar!/springfox/documentation/spring/web/plugins/DocumentationPluginsBootstrapper.class]: Unsatisfied dependency expressed through constructor parameter 1; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'webMvcRequestHandlerProvider' defined in URL [jar:file:/D:/Develop/apache-maven-3.6.1-bin/repository/io/springfox/springfox-spring-webmvc/2.10.5/springfox-spring-webmvc-2.10.5.jar!/springfox/documentation/spring/web/plugins/WebMvcRequestHandlerProvider.class]: Unsatisfied dependency expressed through constructor parameter 2; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'requestMappingHandlerMapping' defined in class path resource [org/springframework/boot/autoconfigure/web/servlet/WebMvcAutoConfiguration$EnableWebMvcConfiguration.class]: Invocation of init method failed; nested exception is java.lang.IllegalStateException: Ambiguous mapping. Cannot map 'userController' method com.itheima.mp.controller.UserController#queryUserById(Long) to {GET [/users]}: There is already 'userController' bean method com.itheima.mp.controller.UserController#queryUserByIds(List) mapped. at org.springframework.beans.factory.support.ConstructorResolver.createArgumentArray(ConstructorResolver.java:800) ~[spring-beans-5.3.27.jar:5.3.27] at org.springframework.beans.factory.support.ConstructorResolver.autowireConstructor(ConstructorResolver.java:229) ~[spring-beans-5.3.27.jar:5.3.27] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.autowireConstructor(AbstractAutowireCapableBeanFactory.java:1372) ~[spring-beans-5.3.27.jar:5.3.27] at org.springframework.beans.fa

报错原因

这个问题是由于Spring Boot在创建bean的过程中遇到了冲突。特别是，你的'UserController'中存在两个方法：queryUserById(Long) 和 queryUserByIds(List)，它们都被映射到了同一个路径/users上，这导致了“ambiguous mapping”的错误。简单来说就是请求路径相同只需要使得请求路径不同就可以了