myeclipse8.5+tomcat6.0中测试struts文件的运行，今天早晨启动myeclipse中的tomcat出错，请大侠指正
控制台报错如下
2012-5-28 10:19:51 org.apache.catalina.core.AprLifecycleListener init
信息: The APR based Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path: C:\Program Files\Genuitec\Common\binary\com.sun.java.jdk.win32.x86_1.6.0.013\bin;C:\apache-tomcat-6.0.35\apache-tomcat-6.0.35\bin
2012-5-28 10:19:51 org.apache.coyote.http11.Http11Protocol init
信息: Initializing Coyote HTTP/1.1 on http-8080
2012-5-28 10:19:51 org.apache.catalina.startup.Catalina load
信息: Initialization processed in 756 ms
2012-5-28 10:19:51 org.apache.catalina.core.StandardService start
信息: Starting service Catalina
2012-5-28 10:19:51 org.apache.catalina.core.StandardEngine start
信息: Starting Servlet Engine: Apache Tomcat/6.0.35
2012-5-28 10:19:51 org.apache.catalina.startup.HostConfig deployDescriptor
信息: Deploying configuration descriptor manager.xml
2012-5-28 10:19:52 org.apache.catalina.startup.HostConfig deployDescriptor
信息: Deploying configuration descriptor host-manager.xml
2012-5-28 10:19:52 org.apache.catalina.startup.HostConfig deployDirectory
信息: Deploying web application directory examples
2012-5-28 10:19:52 org.apache.catalina.core.ApplicationContext log
信息: ContextListener: contextInitialized()
2012-5-28 10:19:52 org.apache.catalina.core.ApplicationContext log
信息: SessionListener: contextInitialized()
2012-5-28 10:19:52 org.apache.catalina.startup.HostConfig deployDirectory
信息: Deploying web application directory docs
2012-5-28 10:19:52 org.apache.catalina.startup.HostConfig deployDirectory
信息: Deploying web application directory ROOT
2012-5-28 10:19:52 org.apache.catalina.startup.HostConfig deployDirectory
信息: Deploying web application directory test
2012-5-28 10:19:52 org.apache.catalina.core.StandardContext filterStart
严重: Exception starting filter struts2
java.lang.ClassNotFoundException: org.apache.struts2.dispatcher.FilterDispatcher
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1680)
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1526)
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:4072)
at org.apache.catalina.core.StandardContext.start(StandardContext.java:4726)
at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:799)
at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:779)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:601)
at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:1079)
at org.apache.catalina.startup.HostConfig.deployDirectories(HostConfig.java:1002)
at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:506)
at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1317)
at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:324)
at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:142)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1065)
at org.apache.catalina.core.StandardHost.star