spring异常：Error creating bean with name 'sessionFactory' defined in ServletContex

2021-08-06 09:08:47:ERROR org.springframework.web.context.ContextLoader:350 - Context initialization failed
org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'sessionFactory' defined in ServletContext resource [/WEB-INF/classes/spring.xml]: Invocation of init method failed; nested exception is org.hibernate.MappingException: could not instantiate id generator

靓仔，可以检查一下有没有给类添加注解扫描