我刚开始学Struts2 遇到了这个问题有懂得朋友可以帮我下吗?谢谢
2015-5-16 15:58:02 com.opensymphony.xwork2.util.logging.commons.CommonsLogger error
严重: Document root element "validations", must match DOCTYPE root "validators". at (null:4:14)
org.xml.sax.SAXParseException: Document root element "validations", must match DOCTYPE root "validators".