ssh运行时遇到Servlet action is not available问题

Question

web.xml:<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>
      <param-value>3</param-value>
    </init-param>
    <load-on-startup>0</load-on-startup>
  </servlet>
  <servlet-mapping>
    <servlet-name>action</servlet-name>
    <url-pattern>*.do</url-pattern>
  </servlet-mapping>
  <welcome-file-list>
    <welcome-file>index.jsp</welcome-file>
  </welcome-file-list>struts-config.xml:
  <form-beans >
    <form-bean name="loginForm" type="org.apache.struts.action.DynaActionForm">
      <form-property name="password" type="java.lang.String" />
      <form-property name="name" type="java.lang.String" />
    </form-bean>  </form-beans>  <global-exceptions />
  <global-forwards >
    <forward name="OK" path="/Ok.jsp" />  </global-forwards>  <action-mappings >
    <action
      attribute="loginForm"
      input="/index.jsp"
      name="loginForm"
      path="/login"
      scope="request"
      type="org.springframework.web.struts.DelegatingActionProxy" />  </action-mappings>
<message-resources parameter="com.lxd.struts.ApplicationResources" />
<plug-in className="org.springframework.web.struts.ContextLoaderPlugIn">
<set-property value="/WEB-INF/classes/applicationContext.xml" property="contextConfigLocation"/>
</plug-in>applicationContext.xml:<bean id="DataSource"
class="org.apache.commons.dbcp.BasicDataSource">
<property name="driverClassName"
value="com.microsoft.jdbc.sqlserver.SQLServerDriver">
</property>
<property name="url" value="jdbc:microsoft:sqlserver://localhost:1433">
</property>
<property name="username" value="sa"></property>
</bean>
<bean id="sessionFactory"
class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">
<property name="dataSource">
<ref bean="DataSource" />
</property>
<property name="hibernateProperties">
<props>
<prop key="hibernate.dialect">org.hibernate.dialect.SQLServerDialect</prop>
</props>
</property>
<property name="mappingResources">
<list>
<value>com/lxd/module/User.hbm.xml</value></list>
</property></bean>
<bean id="UserDAO" class="com.lxd.module.UserDAO">
<property name="sessionFactory">
<ref bean="sessionFactory" />
</property>
</bean>
<bean name="/login" class="com.lxd.struts.action.LoginAction"
abstract="false"
lazy-init="default" autowire="default"
dependency-check="default" >
<property name="user">
<ref bean="user"/>
</property>
<property name="udao">
<ref bean="UserDAO"/>
</property>
</bean>
<bean id="user" class="com.lxd.module.User"></bean>
运行tomcat就遇到了：
message： Servlet action is not available
description： The requested resource (Servlet action is not available) is not available.帮帮忙啊。。