SpringBoot使用外部的Tomcat: bean with name 'defaultValidator' defined in class path resource

SpringBoot使用外部的Tomcat出现的问题 :解决方式我一开始Tomcat版本是7 换成8之后解决上述的问题:

SpringBoot使用外部的Tomcat: bean with name 'defaultValidator' defined in class path resource

Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name ‘defaultValidator’ defined in class path resource