@ Override public void notFound ( ) { logWarn ( "Not Found: " + request ( ) . getUri ( ) ) ; if ( this . api_version > 0 ) { // always default to the latest version of the error formatter since we // need to return something switch ( this . api_version ) { case 1 : default : sendReply ( HttpResponseStatus . NOT_FOUND , serializer . formatNotFoundV1 ( ) ) ; } return ; } if ( hasQueryStringParam ( "json" ) ) { sendReply ( HttpResponseStatus . NOT_FOUND , new StringBuilder ( "{\"err\":\"Page Not Found\"}" ) ) ; } else { sendReply ( HttpResponseStatus . NOT_FOUND , PAGE_NOT_FOUND ) ; } }
Sends a 404 error page to the client . Handles responses from deprecated API calls