struts异常Document is invalid: no grammar found
struts错误Document is invalid: no grammar found
因为在struts.xml文件中缺少了DOCTYPT定义，在文件中加入：
<!DOCTYPE struts-config PUBLIC
"-//Apache Software Foundation//DTD Tiles Configuration 1.1//EN"
"http://jakarta.apache.org/struts/dtds/struts-config_1_2.dtd">即可。