config: Configuration, sourceMapper: OptionalSourceMapper, router: Provider[Router], val messagesApi: MessagesApi ) extends DefaultHttpErrorHandler(env, config, sourceMapper, router) with I18nSupport { def onBadRequest(request: RequestHeader, message: String) = ??? def onForbidden(request: RequestHeader, message: String) = ??? def onNotFound(request: RequestHeader, message: String) = ??? def onOtherClientError(request: RequestHeader, statusCode: Int, message: String) = ??? def onServerError(request: RequestHeader, exception: Throwable) = ??? } DefaultHttpErrorHandler Λܧঝ͢ΔͱҠߦ͍͢͠ I18nSupport ΛͬͯΤϥʔը໘ͷࠃࡍԽରԠՄ