java EE异常怎么解决阿，都是过了，没有能解决的！！

严重: Exception starting filter struts

java.lang.ClassNotFoundException: org.apache.struts2.dispatcher.FilterDispatcher

	at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1647)

	at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1493)

	at org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:269)

	at org.apache.catalina.core.ApplicationFilterConfig.setFilterDef(ApplicationFilterConfig.java:422)

	at org.apache.catalina.core.ApplicationFilterConfig.<init>(ApplicationFilterConfig.java:115)

	at org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:4038)

	at org.apache.catalina.core.StandardContext.start(StandardContext.java:4692)

	at org.apache.catalina.startup.HostConfig.checkResources(HostConfig.java:1244)

	at org.apache.catalina.startup.HostConfig.check(HostConfig.java:1342)

	at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:303)

	at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:142)

	at org.apache.catalina.core.ContainerBase.backgroundProcess(ContainerBase.java:1385)

	at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1649)

	at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1658)

	at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.run(ContainerBase.java:1638)

	at java.lang.Thread.run(Unknown Source)

2011-5-24 9:42:12 org.apache.catalina.core.StandardContext start

严重: Error filterStart

2011-5-24 9:42:12 org.apache.catalina.core.StandardContext start

严重: Context [/Struts] startup failed due to previous errors

web.xml:

<filter>

        <filter-name>struts</filter-name>

        <filter-class>

            org.apache.struts2.dispatcher.FilterDispatcher

        </filter-class>

    </filter>

    <filter-mapping>

        <filter-name>struts</filter-name>

        <url-pattern>/*</url-pattern>

    </filter-mapping>





	<welcome-file-list>

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

	</welcome-file-list>

struts.xml

<struts>

	<package name="default" extends="struts-default">

	

		<action name="connect" class="Action.ConnectAction">

			<result name="success">/ok.jsp</result>

			<result name="error">/error.jsp</result>

		</action>

	</package>

</struts>

页面中：<form action="connect.action" method="post">


导入的包：都是基本包+fileUpload+commons.io没有其他的东西，可是就是抱错，怎么解决阿，都3天了！！！！！


有人用过javafx吗解决思路