spring4 hibernate5 struts2整合运行时出异常

Question

org.springframework.beans.factory.BeanCreationException:     Error creating bean with name 'sessionFactory' defined in class path resource     [applicationContext.xml]: Instantiation of bean failed;      nested exception is org.springframework.beans.BeanInstantiationException:    Failed to instantiate [org.springframework.orm.hibernate5.LocalSessionFactoryBean]: No default constructor found; nested exception is java.lang.UnsupportedClassVersionError: org/hibernate/cfg/Configuration     : Unsupported major.minor version 52.0 (unable to load class org.hibernate.cfg.Configuration)