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)