Add failure callback to tenaciousFetch

GMOD · Aug 28, 2018 · 5b9faa5 · 5b9faa5
1 parent 446c1f2
commit 5b9faa5
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/src/JBrowse/Model/XHRBlob.js b/src/JBrowse/Model/XHRBlob.js
@@ -15,7 +15,7 @@ function fetchBinaryRange(url, start, end) {
     return tenaciousFetch(url, {
       method: 'GET',
       headers: { range: `bytes=${start}-${end}` },
-      retries: 5,
+      retries: 1,
       retryDelay: 1000, // 1 sec, 2 sec, 3 sec
       retryStatus: [500, 404, 503],
       onRetry: ({retriesLeft, retryDelay}) => {
@@ -59,6 +59,8 @@ function fetchBinaryRange(url, start, end) {
             responseDate,
             buffer: Buffer.from(arrayBuffer),
         }))
+    }, res => {
+      throw new Error(`HTTP ${res.status} when fetching ${url} bytes ${start}-${end}`)
     })
   }
   const globalCache = new HttpRangeFetcher({