// part of the log entry, Error response XML and auditing.
		// Set custom headers such as x-amz-request-id for each request.
		w.Header().Set(xhttp.AmzRequestID, mustGetRequestID(UTCNow()))
		if globalLocalNodeName != "" {
			w.Header().Set(xhttp.AmzRequestHostID, globalLocalNodeNameHex)
		}
		h.ServeHTTP(w, r)
	})
}

// criticalErrorHandler handles panics and fatal errors by