[mapserver-users] Very strange problem doing a query and hanging on MS 6.4.1
Stephen Woodbridge
woodbri at swoodbridge.com
Sun Jul 12 16:22:13 PDT 2015
I added gdalinfo on an actual raster file below. It turns out the -99999
is the NoData Value. I would be happy to just get this value back
(once), but I think something is broken and putting mapserver into an
infinite loop.
-Steve W
On 7/12/2015 7:14 PM, Stephen Woodbridge wrote:
> Hi all,
>
> I have run into a very strange problem doing a mapserver query. I'm
> upgrading a system that was running fine. The details are below. I also
> tried to put the template inside a CLASS ... END block that didn't help.
>
> Can anyone else reproduce something like this?
> Got any ideas on how to work around it?
>
> Thanks,
> -Steve W
>
> Old system:
> Ubuntu 12.04 LTS
>
> MapServer version 6.2.1 OUTPUT=GIF OUTPUT=PNG OUTPUT=JPEG SUPPORTS=PROJ
> SUPPORTS=GD SUPPORTS=AGG SUPPORTS=FREETYPE SUPPORTS=CAIRO
> SUPPORTS=SVG_SYMBOLS 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 INPUT=JPEG INPUT=POSTGIS INPUT=OGR
> INPUT=GDAL INPUT=SHAPEFILE
>
> New system:
> Ubuntu 14.04 LTS
>
> MapServer version 6.4.1 OUTPUT=GIF OUTPUT=PNG OUTPUT=JPEG OUTPUT=KML
> SUPPORTS=PROJ SUPPORTS=GD 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 INPUT=JPEG INPUT=POSTGIS
> INPUT=OGR INPUT=GDAL INPUT=SHAPEFILE
>
> The query layer looks like this:
>
> LAYER
> NAME "model_query"
> STATUS on
> TYPE raster
>
> TILEINDEX "NOAA_Coastal_Relief_Model/index.shp"
> TILEITEM "LOCATION"
> TEMPLATE "/maps/wms/pixel.value.html"
> END
>
>
> cat "/maps/wms/pixel.value.html"
> <!-- MapServer Template -->
> [value_0]
>
>
> dbf_dump -info wms/data/Bathy/NOAA_Coastal_Relief_Model/index.dbf
> Filename: wms/data/Bathy/NOAA_Coastal_Relief_Model/index.dbf
> Version: 0x03 (ver. 3)
> Num of records: 61
> Header length: 65
> Record length: 256
> Last change: 1995/7/26
> Num fields: 1
> Field info:
> Num Name Type Len Decimal
> 1. LOCATION C 255 0
>
>
> dbf_dump wms/data/Bathy/NOAA_Coastal_Relief_Model/index.dbf | head
> NOAA_Coastal_Relief_Model/BSM-1035.tif
> NOAA_Coastal_Relief_Model/BSM-1156.tif
> NOAA_Coastal_Relief_Model/BSM-1193.tif
> NOAA_Coastal_Relief_Model/BSM-1239.tif
> NOAA_Coastal_Relief_Model/BSM-1261.tif
> NOAA_Coastal_Relief_Model/BSM-1326.tif
> NOAA_Coastal_Relief_Model/BSM-1343.tif
> NOAA_Coastal_Relief_Model/BSM-1536.tif
> NOAA_Coastal_Relief_Model/BSM-1557.tif
> NOAA_Coastal_Relief_Model/BSM-1801.tif
>
> ogrinfo -so wms/data/Bathy/NOAA_Coastal_Relief_Model/index.shp index
> INFO: Open of `wms/data/Bathy/NOAA_Coastal_Relief_Model/index.shp'
> using driver `ESRI Shapefile' successful.
>
> Layer name: index
> Geometry: Polygon
> Feature Count: 61
> Extent: (-130.000417, 16.999583) - (-65.999599, 49.000401)
> Layer SRS WKT:
> (unknown)
> location: String (255.0)
>
>
> When I issue a query like:
>
> /usr/lib/cgi-bin/mapserv
> QUERY_STRING='map=/maps/wms/bathymetry.map&mode=query&layers=model_query&mapxy=-100.98125+41.58125'
>
>
> The old server responded with:
> Content-Type: text/html
>
> <HTML>
> <HEAD><TITLE>MapServer Message</TITLE></HEAD>
> <!-- MapServer version 6.2.1 OUTPUT=GIF OUTPUT=PNG OUTPUT=JPEG
> SUPPORTS=PROJ SUPPORTS=GD SUPPORTS=AGG SUPPORTS=FREETYPE SUPPORTS=CAIRO
> SUPPORTS=SVG_SYMBOLS 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 INPUT=JPEG INPUT=POSTGIS INPUT=OGR
> INPUT=GDAL INPUT=SHAPEFILE -->
> <BODY BGCOLOR="#FFFFFF">
> msQueryByPoint(): Search returned no results. No matching record(s) found.
> </BODY></HTML>You have new mail in /var/mail/root
>
>
> I get an infinite number of lines like the following on the new server:
>
> # /usr/lib/cgi-bin/mapserv
> QUERY_STRING='map=/maps/wms/bathymetry.map&mode=query&layers=model_query&mapxy=-100.98125+41.58125'
> | head
> Content-Type: text/html
>
> -99999
> -99999
> -99999
> -99999
> -99999
> -99999
> -99999
> -99999
> ^C
# gdalinfo wms/data/Bathy/NOAA_Coastal_Relief_Model/BSM-1156.tif
Driver: GTiff/GeoTIFF
Files: wms/data/Bathy/NOAA_Coastal_Relief_Model/BSM-1156.tif
Size is 4801, 4801
Coordinate System is:
GEOGCS["WGS 84",
DATUM["WGS_1984",
SPHEROID["WGS 84",6378137,298.257223563,
AUTHORITY["EPSG","7030"]],
AUTHORITY["EPSG","6326"]],
PRIMEM["Greenwich",0],
UNIT["degree",0.0174532925199433],
AUTHORITY["EPSG","4326"]]
Origin = (-102.000833330000006,41.000817329999997)
Pixel Size = (0.000833330000000,-0.000833330000000)
Metadata:
AREA_OR_POINT=Point
Image Structure Metadata:
INTERLEAVE=BAND
Corner Coordinates:
Upper Left (-102.0008333, 41.0008173) (102d 0' 3.00"W, 41d 0' 2.94"N)
Lower Left (-102.0008333, 37.0000000) (102d 0' 3.00"W, 37d 0' 0.00"N)
Upper Right ( -98.0000160, 41.0008173) ( 98d 0' 0.06"W, 41d 0' 2.94"N)
Lower Right ( -98.0000160, 37.0000000) ( 98d 0' 0.06"W, 37d 0' 0.00"N)
Center (-100.0004247, 39.0004087) (100d 0' 1.53"W, 39d 0' 1.47"N)
Band 1 Block=256x256 Type=Float32, ColorInterp=Gray
NoData Value=-99999
Overviews: 2401x2401, 1201x1201, 601x601, 301x301, 151x151, 76x76, 38x38
>
> You have to ^C to kill it, even when using head. This seems like a
> serious bug as it runs for about 10 mins taking 100% CPU. If you call it
> via file_get_contents() in php is hangs the request and freezea my OL
> app until it is killed or kills php reading all the data.
> _______________________________________________
> mapserver-users mailing list
> mapserver-users at lists.osgeo.org
> http://lists.osgeo.org/mailman/listinfo/mapserver-users
More information about the mapserver-users
mailing list