Mapserver returns blank pages

[antti siukola]

Hi!

Problem seems to be solved after abandoning anti-aliasing and
configuring mapserver with threads.

Cheers!

On 7/20/06, Umberto Nicoletti <umberto.nicoletti at gmail.com> wrote:
> I presume you are running php as shared module, right?
>
> If so recompile with this configure flag: --with-threads and then make
> sure you read the thread safety FAQ:
> http://mapserver.gis.umn.edu/docs/faq/thread_safety
>
> If you plan to use unsafe components (like cartoline symbols) switch
> php to cgi mode (and then you can avoid using the --with-threads
> option).
>
> HTH,
> Umberto
>
>
>
> On 7/20/06, antti siukola <siukola.antti at gmail.com> wrote:
> > Hello!
> >
> > Production:
> > Redhat AS4 Upd 3
> > Mysql 5.0.21
> > Apache 2.2.2 with mod_php
> > Mapserver 4.8.3
> > PHP 5.14
> > Gdal 1.3.2
> >
> > Development:
> > Ubuntu breezy
> > MySQL 5.0.18
> > Apache 2.0.55 with mod_php
> > MapServer 4.8.4
> > PHP PHP 5.0.5-2ubuntu1.2
> > Gdal 1.3.2
> >
> > MapServer configure:
> > --with-ogr --with-gdal --with-tiff --with-gd --with-jpeg
> > --with-php=/usr/include/php5/ --with-odbc --with-httpd --with-proj
> >
> > It doesn't matter which on of the servers it is the problems are the same.
> >
> > And here is a sample of one of the map files:
> >
> > MAP
> >         NAME "name"
> >         FONTSET fontset.txt
> >         STATUS ON
> >         EXTENT 34083.890 75139.631 40587.098 79917.784
> >         SIZE 500 367
> >         SYMBOLSET ../etc/symbols.sym
> >         UNITS METERS
> >         IMAGECOLOR 240 240 240
> >         WEB
> >                 LOG "/mapserver.log"
> >                 IMAGEPATH "/tmp/ms_tmp/"
> >                 IMAGEURL "/ms_tmp/"
> >                 MINSCALE 3000
> >                 MAXSCALE 50000
> >         END # WEB ends
> >
> >         IMAGETYPE JPEG
> >
> >   OUTPUTFORMAT
> >     NAME png
> >     DRIVER "GD/PNG"
> >     MIMETYPE "image/png"
> >     IMAGEMODE PC256
> >     EXTENSION "png"
> >   END
> >   OUTPUTFORMAT
> >     NAME png24
> >     DRIVER "GD/PNG"
> >     MIMETYPE "image/png"
> >     IMAGEMODE RGBA
> >     EXTENSION "png"
> >   END
> >   OUTPUTFORMAT
> >     NAME jpeg
> >     DRIVER "GD/JPEG"
> >     FORMATOPTION "QUALITY=87"
> >     MIMETYPE "image/jpeg"
> >     IMAGEMODE RGB
> >     EXTENSION "jpg"
> >   END
> >   OUTPUTFORMAT
> >     NAME GTiff
> >     DRIVER "GDAL/GTiff"
> >     MIMETYPE "image/tiff"
> >     IMAGEMODE RGB
> >     EXTENSION "tif"
> >   END
> >
> > #
> > # Start of legend
> > #
> > LEGEND
> >   KEYSIZE 18 12
> >   LABEL
> >     TYPE BITMAP
> >     SIZE MEDIUM
> >     COLOR 0 0 89
> >   END
> >   STATUS ON
> > END
> >
> > #
> > # Start of scalebar
> > #
> > SCALEBAR
> >   IMAGECOLOR 255 255 255
> >   LABEL
> >     COLOR 0 0 0
> >     SIZE SMALL
> >   END
> >   SIZE 300 5
> >   COLOR 19 100 133
> >   BACKGROUNDCOLOR 71 153 71
> >   UNITS meters
> >   INTERVALS 5
> >   STATUS ON
> > END
> >
> > QUERYMAP
> >   STYLE HILITE
> >   COLOR 255 240 0
> > END
> >
> >
> >
> >         LAYER
> >                 NAME "name"
> >                 DATA "data/raster/image.tif"
> >                 TYPE RASTER
> >                 STATUS OFF
> >         END #LAYER
> >
> >
> >         LAYER
> >         NAME name
> >         TYPE POLYGON
> >         DATA /url/to/shp/shp
> >         STATUS OFF
> >                 CLASS
> >                         NAME "name"
> >                 COLOR 255 255 255
> >                 END
> > END # Layer shapefile ends
> >
> >
> >         LAYER
> >                 NAME name
> >                 TYPE POLYGON
> >                 STATUS OFF
> >                 CONNECTIONTYPE OGR
> >                 CONNECTION "/url/to/tab.TAB"
> >                 LABELITEM "name"
> > #               STYLEITEM "AUTO"
> >                 CLASS
> >                         NAME "name"
> >                         COLOR 216 176 255
> >                         LABEL
> >                      TYPE TRUETYPE
> >                  ANTIALIAS TRUE
> >                          FONT FreeSans
> >                  COLOR 0 0 0
> >                          OUTLINECOLOR 220 220 220
> >                          SIZE 8
> >                          OFFSET 0 2
> >                          buffer 2
> >             END #label
> >                 END
> >         END # Layer ends
> >
> >         LAYER
> >                 NAME name
> >                 TYPE LINE
> >                 STATUS OFF
> >                 CONNECTIONTYPE OGR
> >                 CONNECTION "/url/to/tab.TAB"
> >                 LABELITEM "text"
> >                 CLASS
> >                  NAME "name"
> >           LABEL
> >                     TYPE TRUETYPE
> >                 ANTIALIAS TRUE
> >                         FONT FreeSans
> >                 COLOR 255 255 255
> >                         OUTLINECOLOR 0 0 0
> >                         SIZE 10
> >                         ANGLE AUTO
> >                         POSITION UC
> >                         OFFSET 0 2
> >                         buffer 2
> >           END   #label
> >         END     #class
> >         END # Layer test ends
> >
> >
> >         LAYER
> >                 NAME name
> >                 TYPE LINE
> >                 STATUS OFF
> >                 CONNECTIONTYPE OGR
> >                 CONNECTION "/url/to/tab.TAB"
> >                 STYLEITEM "AUTO"
> >                 CLASS
> >                         NAME "name"
> >                 END
> >         END # Layer ends
> >
> >
> > END # MAP ends
> >
> > Cheers!
> >
> > On 7/20/06, Umberto Nicoletti <umberto.nicoletti at gmail.com> wrote:
> > > Antti,
> > > please tell us more:
> > >
> > > - version of mapserver
> > > - how you built it (yourself or picked one from where)
> > > - if you built it yourself the configure flags you used
> > > - are you using php as a shared module or as a cgi?
> > > - version of apache, php and linux (uname -a)
> > >
> > > Can you post the map file to the list?
> > >
> > > Regards,
> > > Umberto
> > >
> > > On 6/13/06, antti siukola <siukola.antti at gmail.com> wrote:
> > > > Hi!
> > > >
> > > > Every time MapServer returns a blank page I find "[notice] child pid
> > > > xxxx exit signal Segmentation fault (11)" from apache's error_log. Any
> > > > thoughts? Blank pages are returned randomly.
> > > >
> > > > AnttiS
> > > >
> > >
> >
>