，eclipse中启动Tomcat时出错

求助，eclipse中启动Tomcat时出错
2007-8-2   21:42:51   org.apache.coyote.http11.Http11AprProtocol   init
信息:   Initializing   Coyote   HTTP/1.1   on   http-8080
2007-8-2   21:42:51   org.apache.coyote.ajp.AjpAprProtocol   init
信息:   Initializing   Coyote   AJP/1.3   on   ajp-8009
2007-8-2   21:42:51   org.apache.catalina.startup.Catalina   load
信息:   Initialization   processed   in   1063   ms
2007-8-2   21:42:52   org.apache.catalina.core.StandardService   start
信息:   Starting   service   Catalina
2007-8-2   21:42:52   org.apache.catalina.core.StandardEngine   start
信息:   Starting   Servlet   Engine:   Apache   Tomcat/5.5.23
2007-8-2   21:42:52   org.apache.catalina.core.StandardHost   start
信息:   XML   validation   disabled
2007-8-2   21:42:52   org.apache.catalina.core.StandardContext   listenerStart
严重:   Error   configuring   application   listener   of   class   com.sun.faces.config.ConfigureListener
java.lang.ClassNotFoundException:   com.sun.faces.config.ConfigureListener
at   org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1359)
at   org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1205)
at   org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:3712)
at   org.apache.catalina.core.StandardContext.start(StandardContext.java:4216)
at   org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1014)
at   org.apache.catalina.core.StandardHost.start(StandardHost.java:736)
at   org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1014)
at   org.apache.catalina.core.StandardEngine.start(StandardEngine.java:443)
at   org.apache.catalina.core.StandardService.start(StandardService.java:448)
at   org.apache.catalina.core.StandardServer.start(StandardServer.java:700)
at   org.apache.catalina.startup.Catalina.start(Catalina.java:552)
at   sun.reflect.NativeMethodAccessorImpl.invoke0(Native   Method)
at   sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at   sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at   java.lang.reflect.Method.invoke(Method.java:585)
at   org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:295)
at   org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:433)
2007-8-2   21:42:52   org.apache.catalina.core.StandardContext   listenerStart
严重:   Skipped   installing   application   listeners   due   to   previous   error(s)
2007-8-2   21:42:52   org.apache.catalina.core.StandardContext   start
严重:   Error   listenerStart
2007-8-2   21:42:52   org.apache.catalina.core.StandardContext   start
严重:   Context   [/doStruts]   startup   failed   due   to   previous   errors
2007-8-2   21:42:53   org.apache.coyote.http11.Http11AprProtocol   start
信息:   Starting   Coyote   HTTP/1.1   on   http-8080
2007-8-2   21:42:53   org.apache.coyote.ajp.AjpAprProtocol   start
信息:   Starting   Coyote   AJP/1.3   on   ajp-8009
2007-8-2   21:42:53   org.apache.catalina.storeconfig.StoreLoader   load
信息:   Find   registry   server-registry.xml   at   classpath   resource
2007-8-2   21:42:53   org.apache.catalina.startup.Catalina   start