1、在使用dwr的时候，会出现dwr.xml文件报错的问题， 错误如下： Referenced file contains errors (http://getahead.org/dwr/dwr30.dtd) 修改如下： <?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE dwr PUBLIC "-//GetAhead Limited//DTD Direct Web Remoting 3.0//EN" "http://getahead.org/dwr/dwr30.dtd"> 2、在struts2中xml配置文件报错 如下：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..." 修改如下： <?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE validators PUBLIC "-//Apache Struts//XWork Validator 1.0.2//EN" "http://struts.apache.org/dtds/xwork-validator-1.0.2.dtd"> 3、最后的办法点击右键Myeclipse-->Remove All Validation Markers 原文链接：https://www.f2er.com/xml/299418.html