Merge pull request #343 from prometheus/beorn7/http

Fix error reporting bug
2017-08-31 15:19:02 +02:00 · 2017-08-31 15:19:02 +02:00 · 967789050b
parent 535f493f5a 2cb8df16e3
commit 967789050b
1 changed files with 1 additions and 1 deletions
--- a/prometheus/promhttp/http.go
+++ b/prometheus/promhttp/http.go
@ -128,7 +128,7 @@ func HandlerFor(reg prometheus.Gatherer, opts HandlerOpts) http.Handler {
 			closer.Close()
 		}
 		if lastErr != nil && buf.Len() == 0 {
-			http.Error(w, "No metrics encoded, last error:\n\n"+err.Error(), http.StatusInternalServerError)
+			http.Error(w, "No metrics encoded, last error:\n\n"+lastErr.Error(), http.StatusInternalServerError)
 			return
 		}
 		header := w.Header()