Are you using GeoServer configuring wms cascade for MapServer?
If this is the case, and you are only using it for the integrated GWC, it
seems to me it is overkill. I would deploy a stand alone installation of
GWC to cache mapserver layers.
Please forgive me in case I totally misunderstood your problem
Cheers
Stefano
Il giorno 15/nov/2012 19:54, "Neil Jakeman" <[email protected]> ha
scritto:
> Hi all, - apologies for accidental duplication****
>
> ** **
>
> I am just setting up a server (with the help of a sys admin) to use
> GeoServer/GWC and also MapServer.****
>
> ** **
>
> I was planning on using TileCache with MapServer but was running into
> problem so decided to cache it via GeoWebCache instead.****
>
> ** **
>
> The Mapserver layer in question is a simple world map in EPSG:3857. It
> serves directly from MapServer to Leaflet or OpenLayers without any
> apparent problems (at this stage)****
>
> ** **
>
> However, when I set up the layer in GeoServer, something happens that
> affects the bounds. At low zooms it looks normal, but as I zoom in, the
> portion of the map that can be viewed gets smaller and smaller (toward 0,0
> I guess). ****
>
> ** **
>
> I figure it is some type of tiling problem, and of course the same problem
> is apparent when previewing the layer in GWC.****
>
> ** **
>
> There are no tile loading errors, so it appears that requests are valid.**
> **
>
> ** **
>
> The layer settings in Mapserver are:****
>
> LAYER****
>
> NAME "postgres_worldmap_3857"****
>
> METADATA****
>
> "wms_title"
> "worldmap" ****
>
> "wms_srs"
> "EPSG:3857" ****
>
> END****
>
> PROJECTION****
>
> "init=epsg:3857"****
>
> END****
>
> TYPE POLYGON****
>
> CONNECTIONTYPE POSTGIS****
>
> EXTENT -20037507 -30240971
> 20037507 18365151****
>
> CONNECTION "host=xxx.xxx.xxx.xxx port=5432
> dbname=postgres user=postgres password=XXXXXXX"****
>
> DATA "the_geom from
> tbl_simple_world_border_3857"****
>
> CLASS****
>
> STYLE****
>
>
> OUTLINECOLOR 255 0 0****
>
> COLOR 0 0
> 255****
>
> ANTIALIAS
> TRUE****
>
> END****
>
> END****
>
> END****
>
> ** **
>
> And the geoserver layer is set up as;****
>
> ** **
>
> Native srs and Declared Srs as EPSG:3857 (Keep Native)****
>
> BB -20,037,507 -30,240,971 20,037,507 18,365,151****
>
> LatLng BB -180 -90 180 90****
>
> ** **
>
> In fact, I realise now, watching the Apache logs that the following
> Geoserver request isn’t even being passed to mapserver :****
>
> ** **
>
>
> /geoserver/mapserver_layers/wms?LAYERS=mapserver_layers%3Apostgres_worldmap_3857&STYLES=&FORMAT=image%2Fpng&SERVICE=WMS&VERSION=1.1.1&REQUEST=GetMap&SRS=EPSG%3A3857&BBOX=-3143565.5136731,1300794.6923825,1864194.1259754,7376559.9423825&WIDTH=422&HEIGHT=512
> ****
>
> ** **
>
> But this one is:****
>
> ** **
>
>
> /geoserver/mapserver_layers/wms?LAYERS=mapserver_layers%3Apostgres_worldmap_3857&STYLES=&FORMAT=image%2Fpng&SERVICE=WMS&VERSION=1.1.1&REQUEST=GetMap&SRS=EPSG%3A3857&BBOX=-4021703.4599621,-1404819.5205081,986056.17968631,4670945.7294919&WIDTH=422&HEIGHT=512
> ****
>
> ** **
>
> as:****
>
> ** **
>
>
> /sample_map_script.cgi?SERVICE=WMS&LAYERS=postgres_worldmap_3857&CRS=EPSG:3857&FORMAT=image%2Fpng&TRANSPARENT=FALSE&HEIGHT=512&BGCOLOR=0xFFFFFF&REQUEST=GetMap&BBOX=-4021703.4599621,-1404819.5205081,986056.17968631,4670945.7294919&WIDTH=422&STYLES=&VERSION=1.3.0
> ****
>
> ** **
>
> If anyone knows what I am doing wrong here, or if the problem sounds
> familiar, please help my tired eyes to spot it!****
>
> ** **
>
> ** **
>
> Thanks and goodnight!****
>
> ** **
>
> Neil****
>
> ** **
>
> ** **
>
> ** **
>
>
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