dynamic web转成maven项目，mvc版本太高导致拦截器报错

Question

原项目是可以运行，把mvc版本改成3.0也可以正常使用，是什么原因

Answer 1

补充：
org.springframework.beans.factory.xml.XmlBeanDefinitionStoreException: Line 24 in XML document from ServletContext resource [/WEB-INF/yc-servlet.xml] is invalid; nested exception is org.xml.sax.SAXParseException; systemId: http://www.springframework.org/schema/mvc/spring-mvc-4.2.xsd; lineNumber: 24; columnNumber: 20; cos-all-limited.1.2: An ''all'' model group must appear in a particle with '{'min occurs'}'='{'max occurs'}'=1, and that particle must be part of a pair which constitutes the '{'content type'}' of a complex type definition.

Caused by: org.xml.sax.SAXParseException; systemId: http://www.springframework.org/schema/mvc/spring-mvc-4.2.xsd; lineNumber: 24; columnNumber: 20; cos-all-limited.1.2: An ''all'' model group must appear in a particle with '{'min occurs'}'='{'max occurs'}'=1, and that particle must be part of a pair which constitutes the '{'content type'}' of a complex type definition.