[OpenLayers-Users] Openlayers with mapserv

[Christopher Schmidt]

On Mon, Aug 20, 2007 at 06:40:21PM -0400, James McManus wrote:
> Christopher Schmidt wrote:
> >On Mon, Aug 20, 2007 at 06:13:52PM -0400, James McManus wrote:
> >  
> >>I made both those changes, but did not get an image. I had 
> >>transparent:"true" which I got from an example. This seemed strange so I 
> >>changed it to false. I now get the level selection menu and pink tiles, 
> >>but no image. There are no errors in my error_log, but my access_log 
> >>shows that I am issuing the mapserver command. However, I am not 
> >>generating a png image in the cache (tmp) directory. If I use this 
> >>mapfile outside of OpenLayers I produce a png, so permissions to that 
> >>directory for apache is okay. Does OpenLayers use use IMAGEPATH in the 
> >>mapfile to try and find the png image? It seems like an error message 
> >>would be produced, say the image can not be found.
> >>    
> >
> >Right click on the pink image and 'view image' on it. It should be an
> >error message. See what it says.  
> >
> >Regards,
> >  
> I got the error: msLoadMap(); Unable to access file. (/mapdata/MDI.map)
> 
> I tried using different paths for the mapfile. The actual path 
> /var/www/html/mapdata/MDI.map eliminated the above error, but produced 
> the following error:
> 
> msWMSLoadGetMapParams(); WMS server error.
>   request layers

This is a mapserver problem. What version are you using? What does the
URL which generates this look like? I can't find an error message in
mapserver which seems to match this (though I'll admit I only spent
about 5 minutes looking at the code).   

Regards,
-- 
Christopher Schmidt
MetaCarta