Hi all,

Original question was posted here:
http://gis.stackexchange.com/questions/19459/tilecache-and-mapserver-not-producing-images-and-raising-parsing-error

Just a forewarning, I will try to be as extensive with my question as
possible. Due to a number of reasons why this might not be working, I have
posted all sorts of portions of my debugging below.

Web map located here <http://rinnerweb.arts.ryerson.ca/moot2_dev>

Tile cache is being setup as a test run for the "hii_5" layer in
OpenLayers. MapServer is the backend.

I am trying to get TileCache to cache images of my MapServer WMS. However,
no images are produced. The TileCache is "trying" to load the tiles (as you
can see on the live page), however, no images are returned.

When I follow the
path<http://rinnerweb.arts.ryerson.ca/cgi-bin/tilecache.cgi?LAYERS=HII_railroads&FORMAT=image/png&SERVICE=WMS&VERSION=1.1.1&REQUEST=GetMap&STYLES=&SRS=EPSG:3857&BBOX=-10592586.767623,5113378.756775,-9340242.496373,6365723.028025&WIDTH=256&HEIGHT=256>of
one of the image tiles, I see this error:

An error occurred: File contains parsing errors:
C:\ms4w\Apache\cgi-bin\tilecache.cfg
    [line 82]: '  type=WMS\n'
    [line 83]: '  url=http://141.117.104.183/cgi-bin/mapserv.exe\n'
    [line 84]: '  mapfile=C:/ms4w/Apache/htdocs/moot2_dev/hii_railroads.map\n'
    [line 85]: '  extension=png\n'
    [line 86]: '  layers=HII_railroads\n'
  File "C:\ms4w\Apache\cgi-bin\TileCache\Service.py", line 85, in _load
    config.read(files)
  File "C:\Python27\lib\ConfigParser.py", line 297, in read
    self._read(fp, filename)
  File "C:\Python27\lib\ConfigParser.py", line 538, in _read
    raise e


   - I've run a
GetCapabilities<http://rinnerweb.arts.ryerson.ca/cgi-bin/mapserv.exe?map=/ms4w/apache/htdocs/moot2_dev/hii_railroads.map&SERVICE=WMS&VERSION=1.1.1&REQUEST=GetCapabilities>request
and there are no warnings
   - but 
GetMap<http://rinnerweb.arts.ryerson.ca/cgi-bin/mapserv.exe?map=/ms4w/apache/htdocs/moot2_dev/hii_railroads.map&SERVICE=WMS&VERSION=1.1.1&REQUEST=GetMap&LAYERS=HII_railroads&STYLES=&SRS=EPSG:3857&BBOX=-173.537,35.8775,-11.9603,83.8009&WIDTH=400&HEIGHT=300&FORMAT=image/png>request
returns a blank page
   - and the 
template<http://rinnerweb.arts.ryerson.ca/cgi-bin/mapserv.exe?map=/ms4w/Apache/htdocs/moot2_dev/hii_railroads.map&;>return
blank

Here are the relevant mapfile, tilecache.cfg, and openlayers source:

Not sure how much help I will get here, but the questions out there for
anyone to take a stab at it!
------------------------------

*hii_railroads.map*

MAP                                                     #-> BEGIN MAP
    OUTPUTFORMAT                                        #-> BEGIN
OUTPUT FORMATTING DEFINITION
        NAME "png"                                      # Name of format
        DRIVER AGG/PNG                                  # Image driver
        MIMETYPE "image/png"                            # Type of image
        IMAGEMODE RGBA                                  # Image mode
        EXTENSION "png"                                 # Image filetype
        TRANSPARENT ON                                  # Transparency
    END                                                 #-> END OUTPUT
FORMATTING DEFINITION

    WEB                                                 #-> BEGIN WEB DEFINITION

        METADATA
            "wms_title"           "HII_railroads"
            "wms_onlineresource"
"http://rinnerweb.arts.ryerson.ca/cgi-bin/mapserv.exe?map=/ms4w/Apache/htdocs/moot2_dev/hii_railroads.map&";
            "wms_srs"             "EPSG:3857"
            "ows_enable_request"  "*"
        END

        TEMPLATE "template.html"
        IMAGEPATH "/ms4w/tmp/ms_tmp/"
        IMAGEURL "/ms_tmp/"
    END                                                 #-> END WEB DEFINITION

LAYER                                                   #-> BEGIN
LAYER DEFINITION: Railroads <-#

    METADATA
        "wms_title" "HII_railroads"
    END

    NAME    HII_railroads                               # Layer identifier
    DATA    "data/wgs84/railroads_360.tif"              # Name of the
data (in this case, string identifying a raster)
    STATUS  ON

------------------------------

*tilecache.cfg*

[HII_railroads]
  type=WMS
  url=http://141.117.104.183/cgi-bin/mapserv.exe
  mapfile=C:/ms4w/Apache/htdocs/moot2_dev/hii_railroads.map
  extension=png
  layers=HII_railroads

------------------------------

*index.html*

hii_5 = new OpenLayers.Layer.WMS("Railroads","../../cgi-bin/tilecache.cgi?",{
    layers:"HII_railroads",
    format:"image/png"},{
    isBaseLayer:false,
    transparent:true,
    format:"image/png",
    alpha:true,
    displayInLayerSwitcher:false
    });



Michael Markieta - (416) 833 5581
------------------------------------------------------
Research Assistant - Department of Geography &
Bachelor of Arts Candidate - Geographic Analysis
Ryerson University
Toronto, ON, Canada
------------------------------------------------------
www.spatialanalysis.ca
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