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Merge pull request #343 from prometheus/beorn7/http 

Fix error reporting bug
This commit is contained in:
Björn Rabenstein 2017-08-31 15:19:02 +02:00 committed by GitHub
parent 535f493f5a 2cb8df16e3
commit 967789050b
1 changed files with 1 additions and 1 deletions
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2
prometheus/promhttp/http.go
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@ -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()