Nginx didn't try the next available backend server

[Jeffrey 'jf' Lim]

On Wed, Apr 10, 2019 at 2:21 PM allenhe <nginx-forum at forum.nginx.org> wrote:

> Hi,
>
> My Nginx is configured with:
> proxy_next_upstream error timeout http_429 http_503;
>
> But I find it won't try the next available upstream server with the
> following error returned:
>
> 2019/04/05 20:11:41 [error] 85#85: *4903418 recv() failed (104: Connection
> reset by peer) while reading response header from upstream....
>
>
Do you also see any "upstream server temporarily disabled while reading
response header from upstream" messages above this message for the other
upstreams?

The "error" part for the proxy_next_upstream states:
> error
> an error occurred while establishing a connection with the server, passing
> a
> request to it, or reading the response header;
>
> I understand the error above would fall into the "or reading the response
> header;", but why it didn't work?
>
>
Theoretically this should work, but of course, this will only work if there
are other upstreams to try.

-jf

--
He who settles on the idea of the intelligent man as a static entity only
shows himself to be a fool.

On Wed, Apr 10, 2019 at 2:21 PM allenhe <nginx-forum at forum.nginx.org> wrote:

> Hi,
>
> My Nginx is configured with:
> proxy_next_upstream error timeout http_429 http_503;
>
> But I find it won't try the next available upstream server with the
> following error returned:
>
> 2019/04/05 20:11:41 [error] 85#85: *4903418 recv() failed (104: Connection
> reset by peer) while reading response header from upstream....
>
> The "error" part for the proxy_next_upstream states:
> error
> an error occurred while establishing a connection with the server, passing
> a
> request to it, or reading the response header;
>
> I understand the error above would fall into the "or reading the response
> header;", but why it didn't work?
>
> BR,
> Allen
>
> Posted at Nginx Forum:
> https://forum.nginx.org/read.php?2,283701,283701#msg-283701
>
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>
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