[mapserver-users] TR: "ows_http_max_age" have no effect...

[Rousseau Lambert2, Louis-Philippe (EC)]

Oups sorry, pressed the shift key too soon... Here is the complete 
message/question:


Hi everyone!


I'm trying to set a cache-control maximum age for my web services and am having 
some difficulties making it work.


I have added the line `"ows_http_max_age" "10800"` in my mapfile 
(MAP.WEB.METADATA) but the response headers I get (from curl) does not have any 
cache-control value:


```

HTTP/1.0 200 OK
Date: Thu, 19 Sep 2019 18:08:46 GMT
Server: WSGIServer/0.1 Python/2.7.6
Content-type: image/png
Content-Length: 653383
```

I am using:

MapServer version 7.0.7 OUTPUT=PNG OUTPUT=JPEG OUTPUT=KML SUPPORTS=PROJ 
SUPPORTS=AGG SUPPORTS=FREETYPE SUPPORTS=CAIRO SUPPORTS=SVG_SYMBOLS 
SUPPORTS=RSVG SUPPORTS=ICONV SUPPORTS=FRIBIDI SUPPORTS=WMS_SERVER 
SUPPORTS=WMS_CLIENT SUPPORTS=WFS_SERVER SUPPORTS=WFS_CLIENT SUPPORTS=WCS_SERVER 
SUPPORTS=SOS_SERVER SUPPORTS=FASTCGI SUPPORTS=THREADS SUPPORTS=GEOS 
SUPPORTS=POINT_Z_M INPUT=JPEG INPUT=POSTGIS INPUT=OGR INPUT=GDAL INPUT=SHAPEFILE


and here is a minimal working mapfile example, you can use any *TMP_TGL_2* data 
from

http://dd.weather.gc.ca/model_gem_global/25km/grib2/lat_lon/00/000/


```

    MAP
 NAME ""
 IMAGETYPE PNG
 EXTENT -180 -90 180 90
 MAXSIZE 4096
 SIZE 500 300
 IMAGECOLOR 255 255 255
 PROJECTION
  "init=epsg:4326"
 END
 TRANSPARENT ON
 DEBUG 5
     WEB
      METADATA
    "ows_http_max_age" "10800"
    "ows_extent" "-180 -90 180 90"
    "wms_getmap_formatlist" "image/png,image/jpeg"
    "ows_enable_request" "*"
    "ows_srs" "EPSG:4326"
    "ows_title" "example"
      END
     END
    LAYER
     NAME "GDPS"
     DEBUG 5
     TYPE RASTER
     TOLERANCE 15
     TEMPLATE "ttt.html"
PROJECTION
 "proj=longlat"
 "a=6371229"
 "b=6371229"
 "no_defs"
 "pm=-359.88"
END
     DATA 
'/path/to/model_gem_global/25km/grib2/lat_lon/00/015/CMC_glb_TMP_TGL_2_latlon.24x.24_2019091900_P015.grib2'
     METADATA
      "ows_title" "GDPS"
      "ows_include_items" "all"
      "ows_abstract" "stuf"
      "ows_extent" "-180 -90.24 180 90"
      "ows_geomtype" "Geometry"
      "ows_size" "1500 751"
      "gml_include_items" "all"
     END
CLASSGROUP "TEMPERATURE-LINEAR"
CLASS
 NAME "1"
 GROUP "TEMPERATURE-LINEAR"
 EXPRESSION ([pixel] < 0)
 STYLE
  COLORRANGE 0 0 255 0 255 0
  DATARANGE -100.0 0
 END
END
CLASS
 NAME "2"
 GROUP "TEMPERATURE-LINEAR"
 EXPRESSION ([pixel] >= 0)
 STYLE
  COLORRANGE 0 255 0 255 0 0
  DATARANGE 0 50
 END
END
   END
END


Thanks


LP

________________________________
De : Rousseau Lambert2, Louis-Philippe (EC)
Envoyé : 19 septembre 2019 14:13
À : mapserver-users@lists.osgeo.org
Objet : "ows_http_max_age" have no effect...


Hi everyone!


I'm trying to set a cache-control maximum age for my web services and am having 
some difficulties making it work.


I have added the line `"ows_http_max_age" "10800"` in my mapfile 
(MAP.WEB.METADATA) but the response headers I get does not have any 
cache-control value:


```

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