estou tentando acessar uma pagina jsf e na inicialização do tomcat aparece o seguinte erro:
05/12/2007 11:44:52 org.apache.catalina.core.AprLifecycleListener lifecycleEvent
INFO: The Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path: C:\Arquivos de programas\Java\jdk1.6.0_10\bin;D:\apache-tomcat-5.5.25\bin
05/12/2007 11:44:53 org.apache.coyote.http11.Http11BaseProtocol init
INFO: Initializing Coyote HTTP/1.1 on http-8080
05/12/2007 11:44:53 org.apache.catalina.startup.Catalina load
INFO: Initialization processed in 1172 ms
05/12/2007 11:44:53 org.apache.catalina.core.StandardService start
INFO: Starting service Catalina
05/12/2007 11:44:53 org.apache.catalina.core.StandardEngine start
INFO: Starting Servlet Engine: Apache Tomcat/5.5.25
05/12/2007 11:44:53 org.apache.catalina.core.StandardHost start
INFO: XML validation disabled
05/12/2007 11:44:54 org.apache.catalina.core.ApplicationContext log
INFO: org.apache.webapp.balancer.BalancerFilter: init(): ruleChain: [org.apache.webapp.balancer.RuleChain: [org.apache.webapp.balancer.rules.URLStringMatchRule: Target string: News / Redirect URL: http://www.cnn.com], [org.apache.webapp.balancer.rules.RequestParameterRule: Target param name: paramName / Target param value: paramValue / Redirect URL: http://www.yahoo.com], [org.apache.webapp.balancer.rules.AcceptEverythingRule: Redirect URL: http://jakarta.apache.org]]
05/12/2007 11:44:54 org.apache.catalina.core.ApplicationContext log
INFO: ContextListener: contextInitialized()
05/12/2007 11:44:54 org.apache.catalina.core.ApplicationContext log
INFO: SessionListener: contextInitialized()
05/12/2007 11:44:55 org.apache.catalina.core.ApplicationContext log
INFO: ContextListener: contextInitialized()
05/12/2007 11:44:55 org.apache.catalina.core.ApplicationContext log
INFO: SessionListener: contextInitialized()
05/12/2007 11:44:55 org.apache.catalina.core.StandardContext listenerStart
SEVERE: Error configuring application listener of class com.sun.faces.config.ConfigureListener
java.lang.NoClassDefFoundError: javax/el/ExpressionFactory
at java.lang.Class.getDeclaredConstructors0(Native Method)
at java.lang.Class.privateGetDeclaredConstructors(Class.java:2389)
at java.lang.Class.getConstructor0(Class.java:2699)
at java.lang.Class.newInstance0(Class.java:326)
at java.lang.Class.newInstance(Class.java:308)
at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:3713)
at org.apache.catalina.core.StandardContext.start(StandardContext.java:4216)
at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:760)
at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:740)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:544)
at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:920)
at org.apache.catalina.startup.HostConfig.deployDirectories(HostConfig.java:883)
at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:492)
at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1138)
at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:311)
at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:120)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1022)
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:597)
at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:295)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:433)
Caused by: java.lang.ClassNotFoundException: javax.el.ExpressionFactory
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1362)
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1208)
at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:320)
… 29 more
05/12/2007 11:44:55 org.apache.catalina.core.StandardContext listenerStart
SEVERE: Skipped installing application listeners due to previous error(s)
05/12/2007 11:44:55 org.apache.catalina.core.StandardContext start
SEVERE: Error listenerStart
05/12/2007 11:44:55 org.apache.catalina.core.StandardContext start
SEVERE: Context [/testejsf] startup failed due to previous errors
05/12/2007 11:44:55 org.apache.coyote.http11.Http11BaseProtocol start
INFO: Starting Coyote HTTP/1.1 on http-8080
05/12/2007 11:44:56 org.apache.jk.common.ChannelSocket init
INFO: JK: ajp13 listening on /0.0.0.0:8009
05/12/2007 11:44:56 org.apache.jk.server.JkMain start
INFO: Jk running ID=0 time=0/79 config=null
05/12/2007 11:44:56 org.apache.catalina.storeconfig.StoreLoader load
INFO: Find registry server-registry.xml at classpath resource
05/12/2007 11:44:56 org.apache.catalina.startup.Catalina start
INFO: Server startup in 3235 ms
estou usando tomcat 5.5.
grato por qualquer dica