I am getting following exceptions.........

Exception sending context initialized event to listener instance of class org.apache.myfaces.webapp.StartupServletContextListener
java.lang.NoClassDefFoundError: org/apache/commons/el/Logger

Exception sending context initialized event to listener instance of class com.sun.faces.config.GlassFishConfigureListener
java.lang.NoSuchMethodError: com.sun.faces.config.GlassFishConfigureListener.scanWebXml(Z)V

Can u pleae help!