On Mon, Aug 24, 2009 at 9:50 PM, Frank Warmerdam <[email protected]>wrote:
> Antonio Volpix wrote: > >> Hi, >> I am spending a lot of time to resolve this issue. >> I run a lot of WMS requests to mapserver always on the same mapfile and >> same layer. >> Some time, and I don't understand why , mapserver return me the error in >> the subject. >> The error is localized always in a specific area , it isn't random. >> > > Antonio, > > Is the problem reliably repeatable with a particular request? Yes , always in that area it gives me the same error. But if I use a BBOX with a smaller range keeping the same tilesize (256x256) it works fine ( not always) I am running WMS requests to generate a 256x256 tiles at different zoom levels. > > Does you have a tiled raster layer in your map file? Yes I have about 28000 images , .gif with a .wld associated. > > > The error generally means that a raster file was not able to be opened > with any of the provided mechanisms. Generally speaking it should be > GDAL that opens the file, but it would seem that for some file (at least > sometimes) GDALOpen() is failing. > > It may be helpful to enable GDAL debug output, especially if you can narrow > things down to a particular request the triggers it. This should be > accomplishable in the MAP file by adding this line within the MAP object: > > CONFIG "CPL_DEBUG" "ON" OK , I set up this option in the map file but where have I to check the error ? Thanks for your quickly response. Antonio > > > Alternatively set this as an environment variable in a mapserv cgi wrapper > script. > > Best regards, > -- > > ---------------------------------------+-------------------------------------- > I set the clouds in motion - turn up | Frank Warmerdam, > [email protected] > light and sound - activate the windows | > http://pobox.com/~warmerdam<http://pobox.com/%7Ewarmerdam> > and watch the world go round - Rush | Geospatial Programmer for Rent > >
_______________________________________________ mapserver-users mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/mapserver-users
