Initial SessionFactory creation failed.org.hibernate.MappingException: Could not instantiate id generatorcom.usermanagement.HibernateMain.main(HibernateMain.java:25) ... 2 more
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当我尝试在n面上保存一个对象时,该对象位于单面集合上,我收到以下错误:SEVERE: Servlet.service() for servlet [dispatcherServlet] in context with path [] threw exception [Request processing failed; nested exception is org.springframework.orm.jpa.JpaSystemExc