struts-helloapp web.xml的错误 请高手指点
hello.jsp
<%@ page contentType= "text/heml;charset-UTF-8 " language= "java " %>
<%@ taglib uri= "/WEB-INF/struts-bean.tld " prefix= "bean " %>
<%@ taglib uri= "/WEB-INF/struts-html.tld " prefix= "html " %>
<%@ taglib uri= "/WEB-INF/struts-logic.tld " prefix= "logic " %>
<html>
<head>
<title> <bean:message key= "hello.jsp.title "/> </title>
<html:base/>
</head>
<body bgcolor= "white "> <p>
<h2> <bean:message key= "hello.jsp.page.heading "/> <h2> <p>
<heml:errors/> <p>
<logic:present name= "personbean " scope= "request ">
<h2>
<bean:message key= "hello.jsp.page.hello "/>
<bean:write name= "personbean " property= "username "/> ! <p>
</h2>
</logic:present>
<heml:form action= "/helloworld.do " focus= "username ">
<bean:message key= "hello.jsp.prompt.person "/>
<heml:text property= "username " seze=16 " maxlength= "16 "/> <br>
<html:submit property= "submit " value= "submit "/>
<html:reset/>
</heml:form> <br>
<html:img page= "/struts-powear.gif " alt= "powered by struts "/>
</body>
</html>
web.xml
<?xml version= "1.0 " encoding= "UTF-8 "?>
<web-app xmlns= "http://java.sun.com/xml/ns/j2ee " xmlns:xsi= "http://www.w3.org/2001/XMLSchema-instance " version= "2.4 " xsi:schemaLocation= "http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd ">
<servlet>
<servlet-name> action </servlet-name>
<servlet-class> org.apache.struts.action.ActionServlet </servlet-class>
<init-param>
<param-name> config </param-name>
<param-value> /WEB-INF/struts-config.xml </param-value>
</init-param>
<init-param>
<param-name> debug </param-name>
<param-value> 3 </param-value>
</init-param>
<init-param>
<param-name> detail </param-name>