解决:WARN ServletUrlRenderer:45 - No configuration found for the specified action:

<package name="user" namespace="/user" extends="struts-default">
    	<action name="login" class="com.website.action.LoginAction" method="login">
    		<result name="fail_login">/login.jsp</result>
    		<result name="success_login" type="redirect">/index.jsp</result>
    	</action>
    </package>

 <s:form id="memberForm" action="login" namespace="/user" method="post" onsubmit="check();return false;">

	<table id="member_register_row">
		<tr>
			<td colspan="5" align="left"><strong>用户登录</strong></td>
		</tr>
		<tr>
			<td width="74" align="left"><span class="STYLE2">登录帐号:</span></td>
			<td colspan="4" align="left"><s:textfield id="username" name="username" maxLength="20"/></td>
		</tr>
			<td class="STYLE2" align="left">登录密码:</td>
			<td colspan="4" align="left"><s:password id="password" name="password" maxLength="20"/><br></td>
		<tr>........