There is no Action mapped for namespace [/] and action name [LoginAction

使用struts2框架产生的问题:

index.jsp:


<%@ page language="java" contentType="text/html; charset=UTF-8"%>
<jsp:forward page="/login/login.jsp"></jsp:forward>


<%@ page language="java" pageEncoding="UTF-8"%>
<%@ taglib uri="/struts-tags" prefix="s" %>
<script type="text/javascript">
function ini(){document.form1.loginName.focus();
}
</script>
<html><head><meta http-equiv="Content-Language" content="zh-cn"><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><title></title><link href="${pageContext.request.contextPath}/css/Style.css" rel="stylesheet" type="text/css"></head><body onload="ini()"><table width="100%" height="100%" border="0" cellpadding="0" cellspacing="0"><tr><td align="center"><table width="452" height="290" border="0" cellpadding="0" cellspacing="0"><tr><td bgcolor="#FFFFFF"><table width="452" height="290" border="0" cellpadding="0" cellspacing="0"><tr><td height="74"><img src="${pageContext.request.contextPath}/images/logintitle.gif"></td></tr><tr><td align="center" valign="bottom" background="${pageContext.request.contextPath}/images/loginbg.gif"><s:form id="form1" name="form1"  action="LoginAction_home.do" target="_parent" method="post">    <table border="0" align="center" cellpadding="2" cellspacing="0"><tr align="center"><td height="30" colspan="2" style="border-bottom: 1px dotted #cccccc"><strong style="font-size: 14px;">请登录</strong></td></tr><tr><td height="30" nowrap><font color="000F60"><strong>用户名：</strong> </font></td><td><s:textfield name="loginName" id="loginName" class="text" style="width: 160px;"/></td></tr><tr><td height="30" nowrap><strong><font color="000F60">密码： </font> </strong></td><td><s:password name="loginPsw" id="loginPsw"  class="text" style="width: 160px;"/></td></tr><tr><td height="30" nowrap colspan="2"><strong><s:fielderror/><font color="red"></font> </strong></td></tr><tr><td height="30"></td><td><s:submit type="button" name="submit" value="登录" class="buttoninput"></s:submit><s:reset type="button" name="reset" value="取消" class="buttoninput"></s:reset></td></tr></table></s:form><table width="100%" border="0" cellspacing="0" cellpadding="0"><tr><td height="30" align="center"></td></tr><tr><td height="23" align="center"></td></tr></table></td></tr></table></td></tr></table></td></tr></table></body>
</html>

这里所填写的form表单 namespace="/login"action=" LoginAction_home.do",会造成的问题是：

There is no Action mapped for namespace [/] and action name [LoginAction_home] associated with context path [/itcast1109_project].

*index.jsp直接指向login.jsp,通过访问index.jsp,点击"登录"，
*结果会报错：There is no Action mapped for namespace [/] and action name[LoginAction_home] associated with context path[/]......
*原因：index.jsp是工程目录的根目录下，导致在index.jsp页面识别不出namespace

改为action="/login/LoginAction_home.do"就可以了

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There is no Action mapped for namespace [/] and action name [LoginAction_home] associ

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