不能找到工厂:javax.faces.context.FacesContextFactory
原文：could not find Factory: javax.faces.context.FacesContextFactory
原文：could not find Factory: javax.faces.context.FacesContextFactory
I notice that when trying to setup my JSF 2 webapp running on jetty, i have this error : java.lang.IllegalStateException: Application was not properly initialized at startup, could not find ...