异常：org.hibernate.AnnotationException: @Temporal should only be set on a java.util.Date or java.util.Calendar property

异常：org.hibernate.AnnotationException: @Temporal should only be set on a java.util.Date or java.util.Calendar property

异常出现的原因是Date的类型：
private Date createTimea;

Date为java.util.Date而不用java.sql.Date;