HostGIS+OpenLayers WMS requests to mapserver problems

[Bradley McLain]

So I have been using a lax enforcement of WMS for a while then lol.

So if I have understood correctly then if I correctly specify these details
in the mapfile itself then if a parameter is blank it should default to
that? Thereby avoiding any errors?

I am hoping that that will fix the problem since I don't have many of these
things specified as I was using only the bare essentials before.

I will try this and also try a mapserver layer too, to do some tests and get
back to you.

Where can I access the webserver's access_log?

Cheers

Brad

PS: Question was posted to OpenLayers lists as well

On 14/12/2007, Gregor Mosheh <gregor at hostgis.com> wrote:
>
> Bradley McLain wrote:
> > I got it to
> > finally display again using the request shown below:
>
>
> http://192.168.1.130/cgi-bin/mapserv?map=/var/www/mapfiles/mswmsrq.map&service=wms&version=1.1.1&request=getmap&SRS=EPSG:4326&layers=grap,grcad,cadbd,propbd,fmbl,varbl&BBOX=144.841,-34.5838,146.344,-34.0477&format=image/png&width=800&height=600&styles=
>
>
> Seems pretty normal to me. A styles param is optional, and it's normal
> for a WMS client to include a blank styles param. Don't worry about that.
>
> It's also very normal to require the width, height, bbox, and SRS, and
> format. If it was working before without them, defaulting to whatever
> was in the mapfile, then that was a lax enforcement of WMS standard and
> you should be glad it's been fixed. ;)
>
>
> > Despite this I cannot get WMS requests out of OpenLayers to work at all,
> > even adding all of the extra parameters it is asking for.
>
> Since WMS seems to be working, this must be an OpenLayers issue.
> Fortunately, I use OpenLayers and Mapserver-WMS all the time; MapServer
> is my favorite WMS server. :)
>
> So, you should probably take this up on the OpenLayers list (of which
> several of us are also members) as being OL failing to load an
> otherwise-functioning WMS layer.
>
> The first things I would ask from a OL perspective:
> * Have you tried OpenLayers.Layer.MapServer and gotten the same results?
> * Have you watched the webserver's access_log and then tried pasting
> those URLs into your browser? That's my #1 debugging method.
>
> And if you can make the server and the map accessible, that would go a
> long way towards us being able to guess what's going on.
>
> --
> Gregor Mosheh / Greg Allensworth
> System Administrator, HostGIS cartographic development & hosting services
> http://www.HostGIS.com/
>
> "Remember that no one cares if you can back up,
>   only if you can restore." - AMANDA
>
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