[mapserver-users] getting corrupted png with WMS request to mapserv CGI on command line

Wed May 27 04:02:37 PDT 2015

nope. I tried IMAGEPATH "/tmp/" and IMAGEPATH "/tmp" both still result in
corrupt pngs.
thx,renzo

On Wed, 27 May 2015 12:12:02 +0200, thomas bonfort
<thomas.bonfort at gmail.com> wrote:
> IMAGEPATH /tmp/ should be changed to
> IMAGEPATH "/tmp/"
> 
> --
> thomas
> 
> On 27 May 2015 at 11:47, Renzo Kottmann <rkottman at mpi-bremen.de> wrote:
>> Hi All,
>>
>> I have installed mapserver 6.4.1 in a docker container based on debian
>> jessie (see dockerfile below)
>>
>> If I run:
>>
>> /usr/lib/cgi-bin/mapserv -nh
>>
"QUERY_STRING=EXCEPTIONS=application/vnd.ogc.se_inimage&REQUEST=GetMap&SERVICE=WMS&VERSION=1.1.1&map=/genes-mapserver/wms_test.map&SRS=EPSG:4326&BBOX=-180,-90,180,90&FORMAT=image/png&WIDTH=1080&HEIGHT=614&STYLES=&LAYERS=satellite_mod"
>>> /tmp/test.png
>>
>> The png is corrupt and I can not open it with neither gimp nor firefox.
>>
>>
>> However, I get valid pngs using the very same map file with shp2img or
>> mapserv -nh
>>
"QUERY_STRING=map=/genes-mapserver/wms_test.map&mode=map&layers=satellite_mod
>> .
>>
>>
>> Find below more details (mapserver version, exact command lines I used
>> and
>> resulting debug logs, map file, and docker file)
>>
>>
>> I searched google, the mailing list archives, but nothing seems to be
>> similar to this problem. Therefore, any help is very much appreciated :)
>>
>> ciao,
>> renzo
>>
>>
>> * Mapserver Version:
>>
>> 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
>>
>>
>> * Command lines
>>
>> Generates valid png:
>>
>> /usr/lib/cgi-bin/mapserv -nh
>>
"QUERY_STRING=map=/genes-mapserver/wms_test.map&mode=map&layers=satellite_mod"
>>> /tmp/test.png
>>
>> shp2img --all_debug 2 -m /genes-mapserver/wms_test.map -o /tmp/test.png
>>
>>
>> Generates invalid corrupt png:
>>
>> /usr/lib/cgi-bin/mapserv -nh
>>
"QUERY_STRING=EXCEPTIONS=application/vnd.ogc.se_inimage&REQUEST=GetMap&SERVICE=WMS&VERSION=1.1.1&map=/genes-mapserver/wms_test.map&SRS=EPSG:4326&BBOX=-180,-90,180,90&FORMAT=image/png&WIDTH=1080&HEIGHT=614&STYLES=&LAYERS=satellite_mod"
>>> /tmp/test.png
>>
>>
>>
>> * Log file (for all three runs in that order):
>>
>>
>> [Wed May 27 08:51:44 2015].475696 CGI Request 1 on process 79
>> [Wed May 27 08:51:44 2015].476881 msDrawMap(): rendering using
>> outputformat
>> named png (AGG/PNG).
>> [Wed May 27 08:51:44 2015].476916 msDrawMap(): WMS/WFS set-up and query,
>> 0.000s
>> [Wed May 27 08:51:44 2015].478222 msDrawRasterLayerLow(satellite_mod):
>> entering.
>> [Wed May 27 08:51:45 2015].16608 msDrawMap(): Layer 0 (satellite_mod),
>> 0.540s
>> [Wed May 27 08:51:45 2015].16665 msDrawMap(): Drawing Label Cache,
0.000s
>> [Wed May 27 08:51:45 2015].16677 msDrawMap() total time: 0.541s
>> [Wed May 27 08:51:45 2015].38545 msSaveImage(stdout) total time: 0.022s
>> [Wed May 27 08:51:45 2015].38838 mapserv request processing time
>> (msLoadMap
>> not incl.): 0.563s
>>
>> [Wed May 27 08:56:29 2015].752703 msDrawMap(): rendering using
>> outputformat
>> named png (AGG/PNG).
>> [Wed May 27 08:56:29 2015].752820 msDrawMap(): WMS/WFS set-up and query,
>> 0.000s
>> [Wed May 27 08:56:29 2015].754465 msDrawRasterLayerLow(satellite_mod):
>> entering.
>> [Wed May 27 08:56:30 2015].295590 msDrawMap(): Layer 0 (satellite_mod),
>> 0.543s
>> [Wed May 27 08:56:30 2015].295664 msDrawMap(): Drawing Label Cache,
>> 0.000s
>> [Wed May 27 08:56:30 2015].295684 msDrawMap() total time: 0.544s
>> [Wed May 27 08:56:30 2015].323794 msSaveImage(/tmp/test.png) total time:
>> 0.028s
>>
>> [Wed May 27 08:59:28 2015].995397 CGI Request 1 on process 82
>> [Wed May 27 08:59:28 2015].995464 msWMSLoadGetMapParams(): enabling
>> non-square pixels.
>> [Wed May 27 08:59:28 2015].996733 msDrawMap(): kicking into non-square
>> pixel preserving mode.
>> [Wed May 27 08:59:28 2015].997595 msDrawMap(): rendering using
>> outputformat
>> named png (AGG/PNG).
>> [Wed May 27 08:59:28 2015].997614 msDrawMap(): WMS/WFS set-up and query,
>> 0.000s
>> [Wed May 27 08:59:28 2015].998950 msDrawRasterLayerLow(satellite_mod):
>> entering.
>> [Wed May 27 08:59:29 2015].651061 msDrawMap(): Layer 0 (satellite_mod),
>> 0.653s
>> [Wed May 27 08:59:29 2015].651143 msDrawMap(): Drawing Label Cache,
>> 0.000s
>> [Wed May 27 08:59:29 2015].651167 msDrawMap() total time: 0.656s
>> [Wed May 27 08:59:29 2015].681373 msSaveImage(stdout) total time: 0.030s
>> [Wed May 27 08:59:29 2015].681769 mapserv request processing time
>> (msLoadMap not incl.): 0.686s
>>
>>
>> * map file
>>
>>
>> MAP
>> NAME "wms_test"
>> STATUS ON
>> EXTENT -180 -90 180 90
>> IMAGECOLOR 210 210 210
>> IMAGETYPE png
>> SIZE 1080 614
>> UNITS dd
>>
>> CONFIG "MS_ERRORFILE" "/tmp/wms_test_error.txt"
>> DEBUG 2
>>
>>
>> PROJECTION
>> #this is WGS84
>> "init=epsg:4326"
>> END
>>
>>
>> SYMBOLSET "etc/symbols.sym"
>> FONTSET "etc/fonts/fonts.txt"
>>
>> WEB
>> IMAGEPATH /tmp/
>> IMAGEURL "/tmp/"
>>
>> ERROR "/error.html"
>> EMPTY "/no_result.html"
>>
>>
>> METADATA
>> ### Enable WFS support
>> "wms_title"           "wms test"
>> "wms_onlineresource"  "http://localhost/wms?"
>> "wms_srs"             "EPSG:4326"
>> "wms_enable_request"  "GetCapabilities GetMap GetFeatureInfo
>> GetLegendGraphic"
>> "ows_enable_request"  "GetCapabilities GetMap GetFeatureInfo
>> GetLegendGraphic"
>> "ows_extent" "-180 -90 180 90"
>> "wfs_title"           "wfs test"
>> #necessary for the WMS GetFeatureInfo request
>> "WMS_FEATURE_INFO_MIME_TYPE" "text/html"
>> END
>>
>> END
>>
>> LEGEND
>> STATUS on
>> KEYSIZE 10 10
>> LABEL
>> SIZE 9
>> COLOR 0 0 0
>> TYPE truetype
>> ENCODING UTF-8
>> FONT sans
>> FORCE false
>> PARTIALS true
>> POSITION AUTO
>> END
>> TEMPLATE "template/legend.html" # HTML template file
>> END
>>
>> LAYER
>> NAME satellite_mod
>>
>> METADATA
>> "wms_title"     "World Map Lite"
>> "unit"          "false"
>> END #end of wms metadata
>>
>> DATA data/satelliteMod.png
>> TYPE RASTER
>> STATUS ON
>> END
>> #map end
>> END
>>
>>
>> * Dockerfile
>>
>> FROM debian:jessie
>>
>> ENV GMS_DIR=/genes-mapserver
>> ENV LANG C.UTF-8
>>
>> # Update and upgrade system
>> RUN apt-get -qq update --fix-missing && \
>> apt-get install -y cgi-mapserver mapserver-bin
>>
>>
>> RUN mkdir ${GMS_DIR}
>>
>> VOLUME ${GMS_DIR}
>>
>> ENTRYPOINT ["/usr/lib/cgi-bin/mapserv"]
>>
>>
>> The actual tests are done within the container by:
>>
>> sudo docker run -v ~/src/genes-mapserver/:/genes-mapserver --rm
>> --entrypoint=/bin/bash -ti renzok/mapserver-cgi
>>
>>
>> thanks for reading :)
>> _______________________________________________
>> mapserver-users mailing list
>> mapserver-users at lists.osgeo.org
>> http://lists.osgeo.org/mailman/listinfo/mapserver-users

-- 
Renzo Kottmann PhD
Max Planck Institute for Marine Microbiology
Microbial Genomics and Bioinformatics Research Group
Celsiusstr. 1
28359 Bremen
Germany
Phone: +49 421 2028 974