@Override
    protected void writeErrorResponseOnOverload(Request request, ResponseHandler responseHandler) {
        int responseCode = request.headers().getFirst(Headers.SILENTUPGRADE) != null ? 299 : 429;
        responseHandler.handleResponse(new Response(responseCode)).close(null);
    }
Accept feeds from outside the Vespa cluster.

@author Steinar Knutsen
vespaclient-container-plugin/src/main/java/com/yahoo/vespa/http/server/FeedHandler.java