[mapserver-users] mapcache config troubles, "Tile parameter not set"

Tue Apr 28 20:47:26 PDT 2015

I have MapServer set up, rendering PostGIS into tiles for a Leaflet.js project. I want to cache a couple of the layers. I think I have something misconfigured in mapcache.xml. Mapcache is passing MapServer a BBOX instead of a tile reference.

Here’s the raw MapServer request, generated by Leaflet.js if I configure Leaflet to hit MapServer directly. This works fine.

GET /cgi-bin/mapserv?map=/data/web/www/mapserver/sitesTest.map&layers=property_pt%20property_poly&mode=tile&tilemode=gmap&tile=131+190+9

Here’s a sample request if I configure Leaflet to hit Mapcache. This is what Leaflet asks my server for:

GET /mapcache/tms/1.0.0/hpsites/4/2/4.png

That request generates the following internal request, from Mapcache to Mapserver. It’s pretty close; the layers are right, but not the SERVICE, BBOX, WIDTH, and HEIGHT parameters.

GET /cgi-bin/mapserv?mode=tile&VERSION=1.1.1&REQUEST=GetMap&SERVICE=WMS&STYLES=&BBOX=-20135347.738994,-7611905.024751,-7416226.232341,5107216.481902&WIDTH=1300&HEIGHT=1300&FORMAT=image/png&SRS=EPSG:3857&MAP=/data/web/www/mapserver/sites.map&LAYERS=property_pt%20property_poly

Mapcache.xml:
<mapcache>
   <cache name="disk" type="disk">
      <base>/var/www/mapcache/cache</base>
      <symlink_blank/>
   </cache>

   <source name="hpsites" type="tms">
      <getmap>
         <params>
            <FORMAT>image/png</FORMAT>
	    <MAP>/data/web/www/mapserver/sites.map</MAP>
            <LAYERS>property_pt%20property_poly</LAYERS>

         </params>
      </getmap>

      <http>
         <url>http://a.historypointer.com/cgi-bin/mapserv?mode=tile&</url>
      </http>
   </source>

   <tileset name="hpsites">
      <source>hpsites</source>
      <cache>disk</cache>
      <grid>WGS84</grid>
      <format>PNG</format>
      <metatile>5 5</metatile>
      <metabuffer>10</metabuffer>
      <expires>10</expires>
   </tileset>

   <default_format>PNG</default_format>

   <service type="tms" enabled="true">
      <full_wms>assemble</full_wms>
      <resample_mode>bilinear</resample_mode>
      <format>PNG</format>
      <maxsize>4096</maxsize>
   </service>
   <service type="wmts" enabled="true"/>
   <service type="tms" enabled="true"/>
   <service type="kml" enabled="true"/>
   <service type="gmaps" enabled="true"/>
   <service type="ve" enabled="true"/>
   <service type="mapguide" enabled="true"/>
   <service type="demo" enabled="true"/>

   <errors>report</errors>
   <lock_dir>/var/www/mapcache/cache</lock_dir>

</mapcache>

Error log from Apache (note msTileSetup()…Tile parameter not set.)
[Tue Apr 28 18:12:11 2015] [error] [client 162.17.176.230] wms request for tileset hpsites returned an unsupported format:\n<HTML>\n<HEAD><TITLE>MapServer Message</TITLE></HEAD>\n\n<BODY BGCOLOR="#FFFFFF">\nmsTileSetup(): Web application error. Tile parameter not set.\n</BODY></HTML>, referer: http://www.historypointer.com/resourcesTest.html

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