Estou tentando estudar JSF mas sempre que tento estartar minha primeira aplicação fica dando o mesmo erro , ja teste no eclipse ganymede e no galileo e o erro é o mesmo .Segue abaixo :
INFO: Initializing Sun’s JavaServer Faces implementation (1.2_04-b10-p01) for context ‘/JSFTeste’
18/12/2009 12:46:30 org.apache.catalina.core.StandardContext listenerStart
SEVERE: Exception sending context initialized event to listener instance of class com.sun.faces.config.ConfigureListener
java.lang.NoClassDefFoundError: org/apache/commons/logging/LogFactory
at org.ajax4jsf.application.DebugLifecycleFactory.(DebugLifecycleFactory.java:39)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
at java.lang.reflect.Constructor.newInstance(Unknown Source)
at javax.faces.FactoryFinder.getImplGivenPreviousImpl(FactoryFinder.java:549)
at javax.faces.FactoryFinder.getImplementationInstance(FactoryFinder.java:448)
at javax.faces.FactoryFinder.getFactory(FactoryFinder.java:249)
at com.sun.faces.config.ConfigureListener.configure(ConfigureListener.java:832)
at com.sun.faces.config.ConfigureListener.configure(ConfigureListener.java:502)
at com.sun.faces.config.ConfigureListener.contextInitialized(ConfigureListener.java:402)
at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:3934)
at org.apache.catalina.core.StandardContext.start(StandardContext.java:4429)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045)
at org.apache.catalina.core.StandardHost.start(StandardHost.java:722)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045)
at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:443)
at org.apache.catalina.core.StandardService.start(StandardService.java:516)
at org.apache.catalina.core.StandardServer.start(StandardServer.java:710)
at org.apache.catalina.startup.Catalina.start(Catalina.java:583)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:288)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:413)
log4j:WARN No appenders could be found for logger (org.apache.myfaces.shared_impl.webapp.webxml.WebXmlParser).
log4j:WARN Please initialize the log4j system properly.
18/12/2009 12:46:30 org.apache.catalina.core.StandardContext start
SEVERE: Error listenerStart
18/12/2009 12:46:30 org.apache.catalina.core.StandardContext start
SEVERE: Context [/JSFTeste] startup failed due to previous errors
Se alguem puder me ajudar eu agradeço .Estranhamente esse jar que ele esta reclamando esta na pasta lib do tomcat , e todas as libs do tomcat estão adicionadas na aplicação.
