richfaces_erro

richfaces_erro 正在建立中 调试当中 严重: Cant instantiate class: org.ajax4jsf.application.AjaxStateManager. java.lang.reflect.InvocationTargetException at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorIm