I'm getting the below error when i run my UserDaoTest. Can someone help me with it?

org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'entityManagerFactory' defined in class path resource [applicationContext.xml]: Cannot resolve reference to bean 'dataSource' while setting bean property 'dataSource'; nested exception is org.springframework.beans.factory.CannotLoadBeanClassException: Error loading class [org.apache.tomcat.jdbc.pool.DataSource] for bean with name 'dataSource' defined in class path resource [applicationContext.xml]: problem with class file or dependent class; nested exception is java.lang.UnsupportedClassVersionError: org/apache/tomcat/jdbc/pool/DataSource : Unsupported major.minor version 52.0

Yes Professor. It worked. Thank You.