SpringBoot启动报错： Error creating bean with name ‘“XXXX‘ defined in class path resource

报错信息：

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 'studentController' method 
com.exam.controller.StudentController#queryAll()
to {GET /queryAll}: There is already 'adminController' bean method
com.exam.controller.AdminController#queryAll() mapped.

错误原因：

项目中的Controller（控制层）接口重名了（queryAll），如下图所示：

在这里插入图片描述

原文链接：https://blog.csdn.net/qq_45834006/article/details/109696831