[mapserver-users] PHP Mapscript on Debian 10

[Sven Schroeter]

Hi,

I am trying to get PHP Mapscript to run stably on a Debian 10 machine.
The installation actually worked fine and everything is running, only 
there is an error after each automatic nightly restart of the Apache 
server.
After that PHP continues to run, but the Mapscript module does not work 
anymore.

This is the error message from Apache after the restart at night:

[Mon Jun 14 00:00:04.851967 2021] [mpm_prefork:notice] [pid 24101] 
AH00171: Graceful restart requested, doing restart
[Mon Jun 14 00:00:05.847274 2021] [mpm_prefork:notice] [pid 24101] 
AH00163: Apache/2.4.38 (Debian) configured -- resuming normal operations
[Mon Jun 14 00:00:05.847340 2021] [core:notice] [pid 24101] AH00094: 
Command line: '/usr/sbin/apache2'
[Mon Jun 14 00:00:06.934284 2021] [core:notice] [pid 24101] AH00052: 
child pid 29129 exit signal Segmentation fault (11)

If I restart Apache manually after that everything runs normal again.


I did the following installation of Mapscript and Mapserver:

1. Installation Apache Postgres GDAL:
apt-get -y install apache2 libapache2-mod-php postgresql-11-postgis-2.5 
gdal-bin
postgresql-11-ogr-fdw && apt-get clean

2. PHP components:
apt-get -y install php-pgsql php-gd php-curl php-mbstring php-sqlite3 
php-zip phpsqlite3 php-bcmath php-xml && apt-get clean
a2enmod cgi && systemctl restart apache2

3. Mapserver 7.6x with PHP Mapscript - own compilation with cmake:

sudo apt-get install libfreetype6-dev php-dev libproj-dev libfribidi-dev
libharfbuzz-dev libcairo-dev libgdal-dev libgpg-error-dev 
libcurl4-openssl-dev
libfcgi-dev

wget http://download.osgeo.org/mapserver/mapserver-7.6.3.tar.gz && /
tar xvf mapserver-7.6.3.tar.gz && /
cd mapserver-7.6.3/
sudo apt-get install cmake
mkdir build
cd build

cmake -DCMAKE_INSTALL_PREFIX=/opt \
-DCMAKE_PREFIX_PATH=/usr/local:/opt \
-DWITH_CLIENT_WFS=ON \
-DWITH_CLIENT_WMS=ON \
-DWITH_WCS=ON \
-DWITH_THREAD_SAFETY=ON \
-DWITH_PHP=ON \
-DWITH_KML=ON \
-DWITH_GEOS=ON \
-DWITH_GDAL=ON \
-DWITH_OGR=ON \
-DWITH_PROJ=ON \
-DWITH_CAIRO=ON \
-DWITH_POSTGIS=ON \
-DWITH_CURL=ON \
-DWITH_SOS=ON \
-DWITH_XMLMAPFILE=0 \
-DWITH_FCGI=ON \
-DWITH_LIBXML2=ON \
-DWITH_GIF=ON \
-DWITH_FRIBIDI=0 \
-DWITH_HARFBUZZ=0 \
-DWITH_PROTOBUFC=0 \
-DWITH_PYTHON=OFF \
-DWITH_SVGCAIRO=OFF \
..
make
sudo make install
echo extension=php_mapscript.so>/etc/php/7.3/mods-available/mapscript.ini

phpenmod mapscript
service apache2 restart

after these installation steps I have a perfectly running PHP version 
7.3.27-1~deb10u1 with Mapscript (MapServer version 7.6.3) but as said 
the Mapscript module error after every nightly restart of Apache.
If I restart Apache manually after that everything runs normal again.
I am now quite at a loss...

Thanks for any advice, unfortunately I am not a Debian (Linux) expert.

Sven




After this



Greetings Sven


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