nginx proxypass issue

[Maxim Dounin]

Hello!

On Fri, Mar 21, 2014 at 11:22:42AM +0530, Geo P.C. wrote:

> We have a setup in which nginx proxypass is working fine for tomcat like
> this:
> 
> server {
> listen 80;
> server_name app.geo.com;
> location /app {
> proxy_pass       https://192.168.1.100:8080/app;
> }
> 
> Now while accessing http://app.geo.com/app is working fine.
> 
> Now we need to access the same application as
> http://app.geo.com/paymentbut we need the tomcat war as same app. We
> configured proxypass as follows:
> 
> server {
> listen 80;
> server_name app.geo.com;
> location /payment {
> proxy_pass       https://192.168.1.100:8080/app;
> }
> 
> But while accessing http://app.geo.com/payment tomcat application app is
> not loading properly. We are not getting any reliable error message.
> 
> Can any one please help us to configure on this scenario.

Most likely, the problem is that your backend links various 
resources (e.g., images) using "/app/" url prefix, while 
externally visible prefix is "/payment/".

Simpliest and most reliable solution is to fix/change backend to use 
links you need (many apps have configuration options like 
"baseurl" or something like this).

As a hack/workaround, you may also try changing prefix using nginx 
itself, e.g., using sub_filter[1].  This approach may have 
problems and not recommended though.

[1] http://nginx.org/en/docs/http/ngx_http_sub_module.html

-- 
Maxim Dounin
http://nginx.org/