struts 初始化问题,高手进啊

初始化actionServlet的时候调用的initInternal方法抛出的MissingResourceException,有人知道是哪抛的吗?


protected void initInternal()
throws ServletException {
try {
internal = MessageResources.getMessageResources(internalName);
} catch (MissingResourceException e) {
log.error("Cannot load internal resources from '" + internalName
+ "'", e);
throw new UnavailableException(
"Cannot load internal resources from '" + internalName + "'");
}
}

不是,好几天拉,来个人成么?