do not use console.warn() in mayRetryDsPreInit(); support more recove…

…rable error codes

server/src/mds3.preInit.ts

@@ -37,7 +37,7 @@ export async function mayRetryDsPreInit(ds: Mds3): Promise<any> {
 			throw new Error('preInit error: ' + (response.message || response))
 		} else {
 			// ok to retry on recoverable error
-			console.warn(`First ${ds.label} preInit.getStatus() request failed. (${retryMax} attempts left)`)
+			console.log(`First ${ds.label} preInit.getStatus() request failed. (${retryMax} attempts left)`)
 			// subsequent retries uses a loop via setInterval
 			// NOTE: Using await with recursive function may have memory performance penalties,
 			// since a new promise gets created with each recursion and its not clear how
@@ -59,7 +59,7 @@ export async function mayRetryDsPreInit(ds: Mds3): Promise<any> {
 						}
 					} catch (response) {
 						//console.log(89, response)
-						console.warn(`preInit.getStatus() check failed. Retrying... (${retryMax - currentRetry} attempts left)`)
+						console.log(`preInit.getStatus() check failed. Retrying... (${retryMax - currentRetry} attempts left)`)
 						if (currentRetry >= retryMax) {
 							clearInterval(interval) // cancel retries
 							console.error('Max preInit.getStatus() retry attempts reached. Failing with error:', response)

server/src/utils.js

@@ -794,6 +794,18 @@ export function boxplot_getvalue(lst) {
 	return { w1, w2, p05, p25, p50, p75, p95, iqr, out }
 }
 
+const RecoverableErrorCodes = new Set([
+	'ECONNRESET',
+	'ECONNREFUSED',
+	'ENOTFOUND',
+	'ENETDOWN',
+	'ENETUNREACH',
+	'EHOSTDOWN',
+	'EHOSTUNREACH',
+	'EPIPE',
+	'UND_ERR_SOCKET'
+])
+
 // only use this helper when catching errors that may be due to
 // external API server errors or network connection failures;
 // the `e` argument is expected to have a network-related error code, some of which
@@ -811,7 +823,7 @@ export function isRecoverableError(e) {
 	// code=ENOTFOUND, ETIMEDOUT, etc below are from undici when network is down,
 	// it's not an HTTP response status code from an API
 	if (e.cause?.errors) console.log(e.cause.code, e.cause.errors)
-	return code == 'ENOTFOUND' || code == 'ETIMEDOUT'
+	return RecoverableErrorCodes.has(code)
 }
 
 const extApiCache = serverconfig.features?.extApiCache || {}