[mapserver-users] Mapserver WMS under IIS 7 x64 serving up blank images

[Steve Lime]

If I take the request out of WMS context to straight CGI with this request:

  http://www.fireimagery.com/ms/mapserv.exe?map=C:\maps\A091207074551.map&mode=map&mapsize=300+300&layer=ZZ

I get the following error:

msDrawMap(): Image handling error. Failed to draw layer named 'ZZ'. msDrawRaster(): Image handling error. Unrecognized or unsupported image format drawEPP(): Image handling error. EPPL7 support is not available.

Typically you'll see that when GDAL failed to identify the filetype. EPPL7 is the last thing checked so that's not relevant by itself. I guess I'd start
by making sure the image is valid.

Steve

>>> On 12/7/2009 at 2:47 PM, in message
<8ab83e650912071247w7b93cb8bt90fe0c6a7a460785 at mail.gmail.com>, Daniel Walton
<dgwalton at gmail.com> wrote:
> Thanks Daniel. No dice, though, log is empty.
> 
> On Mon, Dec 7, 2009 at 2:38 PM, Daniel Morissette
> <dmorissette at mapgears.com>wrote:
> 
>> Daniel Walton wrote:
>>
>>>
>>> Yes, the same mapfile worked under MS4W on a 32-bit machine. I have
>>> verified that this same problem occurs using the x86 binaries from Tamas'
>>> site run in the current x64 environment. The source image is in PNG format
>>> in order to make transparency work well on the client. (My client is
>>> Silverlight-based, and PNG is the only supported format that supports
>>> transparency). The source image does have a world (*.WLD) file which
>>> contains these values (file is generated by running gdal_translate on a
>>> geotiff image):
>>>
>>>
>> Um... perhaps try using DEBUG/MS_ERRORFILE and look for hints in the log
>> output, if you haven't tried that already.
>>
>>
>> --
>> Daniel Morissette
>> http://www.mapgears.com/ 
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>>