[mapserver-users] Finding (and modifying?) status codes of mapserver responses

[deduikertjes]

Finding and modifying status codes

I'd like to find out (and maybe modify) the HTML status codes mapserver
attaches to a WMS service exception report.

I deploy mapserver behind Nginx with supervisord as a fastcgi provider and
process manager. Nginx does caching of responses on getmap requests.

As I don't want Service Exception reports to be cached I've added a
directive to the Nginx config not to cache error documents containing
'serviceException'.
This is not working properly, I think because nginx only regards a response
as an error when a non-200 status code is attached.

So I'm trying to find the status codes mapserver attaches to a response.
If I do from command line mapserv7
QUERY_STRING="map=my.map&SERVICE=WMS&VERSION=1.1.1&REQUEST=GetMap&....(rest
of valid wms request)" I see the headers (and the png) when te request leads
to a response containing a map.
If I do the same with a request that generates an service exception report I
get back error messages instead of the response I see in my browser.

So, how to find out the headers of the response before it goes trough
supervisord an nginx?
Or does anyone know what status code the header contains?
And the million dollar question: can we stick a 500 status code header on
the response if it's not there?

Any help greatly appreciated, MArco



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