Rewriting and proxy problem

[Sergio Belkin]

2013/5/25 Francis Daly <francis at daoine.org>

> On Fri, May 24, 2013 at 02:39:58PM -0300, Sergio Belkin wrote:
>
> Hi there,
>
> > I am completeley newbie to nginx
>
> Welcome.
>
> The nginx config follows its own logic, which may not match your previous
> experiences. When you understand that, you'll have a much better chance
> of knowing the configuration you are looking for.
>
>
Yup, I've began to read the documentation :)


> One important feature is that one request is handled in one
> location. Another is that one http request does not necessarily correspond
> to one nginx request.
>
> In this case...
>
> you make the request for /demoX, and the best-match location is "location
> /demo", and so that is the one that is used.
>
> >        location /demo {
> >            rewrite ^ /upvc;
>
> Once that happens, you are using the new internal-to-nginx request
> "/upvc", so a new choice for best-match location happens, and the rest
> of this location{} block is not relevant.
>
> >            proxy_pass         http://127.0.0.1:8080;
>
> >            include    fastcgi_params;
>
> Aside: the fastcgi_params file will typically have content relevant for
> when fastcgi_pass is used, not for when proxy_pass is used.
>
> So, the http request for /demoX leads to the nginx request for /upvc,
> which matches this location:
>
> > location /upvc {
> >         alias  /var/lib/tomcat6/webapps/demo;
> >         index demo3.jsp;
> >         expires 1m;
>
> And here, you say "serve it from the filesystem", so that's what it does.
>
> (I suspect that you actually get a http redirect to /upvc/, which then
> returns the content of /var/lib/tomcat6/webapps/demo/demo3.jsp. Using
> "curl" as the browser tends to make clear what is happening.)
>

> }

> Rewrite is working but nginx is not.  proxying to tomcat, because of that
> returns the jsp file as a plain text file.
>
> Please could you help me?

The hardest part of nginx config that I find, it working out what exactly
> you want to have happen for each request.
>
> From the above sample config, I'm not sure what it is that you want.
>




>
> Perhaps putting the proxy_pass in the "location /upvc" block will work? Or
> perhaps removing the rewrite?
>


I did it, and tried using curl, tomcat complains that it cannot find /upvc.


>
> If you can describe what behaviour you want, then possibly the nginx
> config to achieve it will become clear.
>

I'd want that when you type http://example.com/upvc proxies the
/var/lib/tomcat6/webapps/demo/
demo3.jsp file  to tomcat


Thanks for your nice explanation


>
>         f
> --
> Francis Daly        francis at daoine.org
>
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-- 
--
Sergio Belkin  http://www.sergiobelkin.com
Watch More TV http://sebelk.blogspot.com
LPIC-2 Certified - http://www.lpi.org
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