\in this post
http://osgeo-org.1560.x6.nabble.com/Terminate-GeoWebCache-REST-API-Request-td5137944.html

I was trying to find a method to cache one layer that its data is updated
every 2 hours in the DB.

What I've done is:

1. enable direct integration with GeoServer WMS.
2. ass tiled=true parameter to WMS request
3. replace [http://GEOSERVER_URL/wms] with
[http://GEOSERVER_URL/gwc/service/wms]
4. check "Response Cache Headers" with 7200 time specified as in
http://docs.geoserver.org/stable/en/user/webadmin/data/layers.html


and when i look at the headers I see:

Cache-Control:max-age=7200, must-revalidate
Content-Disposition:inline; filename=geoserver-dispatch.image
Content-Type:image/png
*Date:Sun, 04 May 2014 18:38:16 GMT
Expires:Sun, 04 May 2014 20:36:36 GMT*
geowebcache-cache-result:HIT
geowebcache-crs:EPSG:900913
geowebcache-gridset:EPSG:900913
geowebcache-tile-bounds:12523442.712499999,2504688.5425000004,15028131.254999999,5009377.085000001
geowebcache-tile-index:[13, 9, 4]
geowebcache-tile-index:[13, 9, 4]
Last-Modified:Sun, 04 May 2014 07:06:05 GMT
Server:Apache-Coyote/1.1
Transfer-Encoding:chunked



I thought it worked but after 2 hours the layers didn't get updated! it's
like that the layer is cached and frozen like forever. I think I'm missing
something. any idea?



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