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reverseproxy: Err 503 if all upstreams unavailable

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Matthew Holt 2022-07-08 13:01:02 -06:00
parent 54d1923ccb
commit d6bc9e0b5c
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1 changed files with 1 additions and 1 deletions
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2
modules/caddyhttp/reverseproxy/reverseproxy.go
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@ -477,7 +477,7 @@ func (h *Handler) proxyLoopIteration(r *http.Request, origReq *http.Request, w h
upstream := h.LoadBalancing.SelectionPolicy.Select(upstreams, r, w)
if upstream == nil {
if proxyErr == nil {
proxyErr = fmt.Errorf("no upstreams available")
proxyErr = caddyhttp.Error(http.StatusServiceUnavailable, fmt.Errorf("no upstreams available"))
}
if !h.LoadBalancing.tryAgain(h.ctx, start, proxyErr, r) {
return true, proxyErr