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buffer middleware still attempt the request even though client cancel it #112

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onestraw opened this issue Jan 23, 2018 · 0 comments

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onestraw commented Jan 23, 2018

httputil.ReverseProxy will return 502 BadGateway error if client cancel the request.

buffer middleware will retry if we configured retry with IsNetworkError() which capture 502 code.

If this 502 code is caused by client canceled request, it's not necessary to retry.

BTW, Nginx will return it's self-defined code 499 in this case.

koliyo mentioned this issue

Sporadic 502 response only when running through traefik traefik/traefik#3237

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