I had actually prefixed upstream and localhost 000 and everything else 100
to force them to load in the correct order.
On 1 particular domain it would throw that error unless it was loaded last,
hence just giving it a prefix 101 solved the issue.
Bit strange!

On 16 November 2010 14:49, Maxim Dounin <mdounin@mdounin.ru> wrote:

> Hello!
>
> On Tue, Nov 16, 2010 at 01:16:25PM +0000, Phil Bayfield wrote:
>
> > I'm having some problems configuring upstream servers with localhost
> backup
> > (error page)
> >
> > upstream backend1 {
> > server 1.2.3.4;
> > server 2.3.4.5;
> > server localhost backup;
> > }
> >
> > upstream backend2 {
> > server 3.4.5.6;
> > server 4.5.6.7;
> > }
> >
> > Works, but:
> >
> > upstream backend1 {
> > server 1.2.3.4;
> > server 2.3.4.5;
> > server localhost backup;
> > }
> >
> > upstream backend2 {
> > server 3.4.5.6;
> > server 4.5.6.7;
> > server localhost backup;
> > }
> >
> > Causes:
> >
> > Testing nginx configuration: [emerg]: invalid parameter "backup"
> >
> > Is this a bug?
>
> Most likely you used backend2 somewhere in proxy_pass before
> defining upstream backend2. This is not generally supported and
> and shouldn't be allowed, but happens to "work" (though with
> several unexpected side effects) for now.
>
> Attached patch makes sure such configuration like
>
> server {
> location / {
> proxy_pass backend;
> ...
> }
> ...
> }
>
> upstream backend {
> ...
> }
>
> will generate "upstream "backend" defined too late" error during
> configuration parsing.
>
> Maxim Dounin
>
> _______________________________________________
> nginx mailing list
> nginx@nginx.org
> http://nginx.org/mailman/listinfo/nginx
>
>


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Phil Bayfield
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