struts2 配置 exception求救

我按要求配置，出现exception，没有找出来是什么原因，有那位知道，告诉小弟，谢谢了！
2008-8-16 10:32:52 org.apache.catalina.startup.HostConfig checkResources
信息: Reloading context [/struts2_test]
2008-8-16 10:32:52 org.apache.catalina.core.StandardContext stop
信息: Container org.apache.catalina.core.ContainerBase.[Catalina].[localhost].[/struts2_test] has not been started
2008-8-16 10:32:53 com.opensymphony.xwork2.config.providers.XmlConfigurationProvider register
信息: Parsing configuration file [struts-default.xml]
2008-8-16 10:32:53 com.opensymphony.xwork2.config.providers.XmlConfigurationProvider register
信息: Parsing configuration file [struts-plugin.xml]
2008-8-16 10:32:53 org.apache.catalina.core.StandardContext filterStart
严重: Exception starting filter struts2
Unable to load bean: type:com.opensymphony.xwork2.ObjectFactory class:org.apache.struts2.spring.StrutsSpringObjectFactory - bean - jar:file:/D:/apache-tomcat-6.0.16/webapps/struts2_test/WEB-INF/lib/struts2-spring-plugin-2.0.11.jar!/struts-plugin.xml:30:132
at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.register(XmlConfigurationProvider.java:208)
at org.apache.struts2.config.StrutsXmlConfigurationProvider.register(StrutsXmlConfigurationProvider.java:101)
at com.opensymphony.xwork2.config.impl.DefaultConfiguration.reload(DefaultConfiguration.java:131)
at com.opensymphony.xwork2.config.ConfigurationManager.getConfiguration(ConfigurationManager.java:52)
at org.apache.struts2.dispatcher.Dispatcher.init_PreloadConfiguration(Dispatcher.java:395)
at org.apache.struts2.dispatcher.Dispatcher.init(Dispatcher.java:452)
at org.apache.struts2.dispatcher.FilterDispatcher.init(FilterDispatcher.java:201)
at org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:275)
at org.apache.catalina.core.ApplicationFilterConfig.setFilterDef(ApplicationFilterConfig.java:397)
at org.apache.catalina.core.ApplicationFilterConfig.<init>(ApplicationFilterConfig.java:108)
at org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:3709)
at org.apache.catalina.core.StandardContext.start(StandardContext.java:4356)
at org.apache.catalina.startup.HostConfig.checkResources(HostConfig.java:1114)
at org.apache.catalina.startup.HostConfig.check(HostConfig.java:1212)
at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:293)
at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:117)
at org.apache.catalina.core.ContainerBase.backgroundProcess(ContainerBase.java:1337)
at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1601)
at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1610)
at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.run(ContainerBase.java:1590)
at java.lang.Thread.run(Unknown Source)
Caused by: java.lang.NoClassDefFoundError: org/springframework/context/ApplicationContextAware
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(Unknown Source)
at java.security.SecureClassLoader.defineClass(Unknown Source)
at org.apache.catalina.loader.WebappClassLoader.findClassInternal(WebappClassLoader.java:1819)
at org.apache.catalina.loader.WebappClassLoader.findClass(WebappClassLoader.java:872)
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1327)
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1206)
at java.lang.ClassLoader.loadClassInternal(Unknown Source)
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(Unknown Source)
at java.security.SecureClassLoader.defineClass(Unknown Source)
at org.apache.catalina.loader.WebappClassLoader.findClassInternal(WebappClassLoader.java:1819)
at org.apache.catalina.loader.WebappClassLoader.findClass(WebappClassLoader.java:872)
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1327)
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1206)
at com.opensymphony.xwork2.util.ClassLoaderUtil.loadClass(ClassLoaderUtil.java:139)
at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.register(XmlConfigurationProvider.java:180)
... 20 more
2008-8-16 10:32:53 org.apache.catalina.core.StandardContext start
严重: Error filterStart
2008-8-16 10:32:53 org.apache.catalina.core.StandardContext start
严重: Context [/struts2_test] startup failed due to previous errors


这是：struts.xml
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE struts PUBLIC
"-//Apache Software Foundation//DTD Struts Configuration 2.0//EN"
"http://struts.apache.org/dtds/struts-2.0.dtd">

<struts>
<include file="struts-default.xml"/>

<package name="struts2" extends="struts-default">
<action name="loginAction" class="com.struts2.LoginAction">
<result name="input">/login.jsp</result>
<result name="success">/suc.jsp</result>
</action>

</package>

</struts>


这是web.xml
<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.5"
xmlns="http://java.sun.com/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee
http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd">
<filter>
<filter-name>struts2</filter-name>
<filter-class>
org.apache.struts2.dispatcher.FilterDispatcher
</filter-class>
<!-- <init-param></init-param>-->
</filter>
<filter-mapping>
<filter-name>struts2</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>

<welcome-file-list>
<welcome-file>index.jsp</welcome-file>
</welcome-file-list>

</web-app>


这时LoginAction.java
package com.struts2;

import com.opensymphony.xwork2.ActionContext;
import com.opensymphony.xwork2.ActionSupport;

public class LoginAction extends ActionSupport {
private static final long serialVersionUID = 1L;

private String userName;

private String userPass;

public String getUserName() {
return userName;
}

public void setUserName(String userName) {
this.userName = userName;
}

public String getUserPass() {
return userPass;
}

public void setUserPass(String userPass) {
this.userPass = userPass;
}

public String execute(){
// TODO Auto-generated method stub
if ("yuanke".equals(userName) && "admin".equals(userPass)){
ActionContext.getContext().getSession().put("user", getUserName());
return SUCCESS;
} else {
return INPUT;
}
}

}