struts2的校验文件DTD配置出错的解决方法

<?xml version="1.0" encoding="UTF-8"?> 
<!DOCTYPE validators PUBLIC "-//OpenSymphony Group//XWork Validator 1.0.3//EN" 

"http://www.opensymphony.com/xwork/xwork-validator-1.0.3.dtd"> 

Referenced file contains errors (http://www.opensymphony.com/xwork/xwork-validator-1.0.2.dtd).  For more information, right click on the message and select "Show Details...

解决方法：

改为：

?xml version="1.0" encoding="UTF-8"?> 
<!DOCTYPE validators PUBLIC "-//Apache Struts//XWork Validator 1.0.3//EN" "http://struts.apache.org/dtds/xwork-validator-1.0.3.dtd">