You might want to have a look at https://github.com/mapserver/mapserver/issues/3099
tl;dr - mapserver fastcgi calls exit() when running in an error condition, which causes some fastcgi spawning managers to have issues - mapserver 6.2 (current git master) has been refactored to greatly minimize the exit() occurences (basically only on memory allocation errors) -- thomas On Fri, May 11, 2012 at 10:42 AM, Peter Maes <[email protected]> wrote: > Hello, > > I'm trying to run mapserver on nginx (fastcgi), but after 2 days booked > little success. > > 1. I've compiled mapserv with fastcgi support and validated this > 2. I created a spawn-fcgi startup script based on this > : http://osgeo-org.1560.n6.nabble.com/Mapserver-on-nginx-td4226669.html > > It now looks like this: > ---- > #!/bin/sh > MAPSERV_PORT=9001 > USER=www-data > DAEMON=/usr/local/bin/mapserv > CHILDREN=5 > > # the -F switch of spawn-fcg does not work when the -n swich > # is set. using multiwatch instead > # see http://manpages.ubuntu.com/manpages/lucid/man1/spawn-fcgi.1.html > > exec setuidgid $USER spawn-fcgi \ > -a 127.0.0.1 \ > -p $MAPSERV_PORT \ > -u $USER \ > /usr/bin/multiwatch -f $CHILDREN $DAEMON > ---- > > In Nginx its called like this: > > location /mapserver/ { > include /etc/nginx/fastcgi_params; > fastcgi_pass 127.0.0.1:9001; > > fastcgi_param SCRIPT_FILENAME /usr/local/run/spawnscript; > fastcgi_param PATH_INFO /usr/local/run/ spawnscript; > } > > When i try to connect to /mapserver in my browser, i get an error stating > 502 Bad gateway. > > So i tried starting the spawn script manually: /usr/local/run/spawnscript . > When i then try to connect using browser it works fine for a short while. On > the console it logs this error: > Spawing child[0] failed, next try > Child[1] died, respawn > Child[2] died, respawn > Child[3] died, respawn > Child[4] died, respawn > Child[0] died, respawn > Spawing child[1] failed, next try > Spawing child[2] failed, next try > Spawing child[3] failed, next try > Spawing child[4] failed, next try > Spawing child[0] failed, next try > Spawing child[1] failed, next try > Spawing child[2] failed, next try > Spawing child[3] failed, next try > Spawing child[4] failed, next try > Spawing child[0] failed, next try > Spawing child[1] failed, next try > Spawing child[2] failed, next try > Spawing child[3] failed, next try > Spawing child[4] failed, next try > Spawing child[0] failed, next try > Spawing child[1] failed, next try > Child[1] died to often, not forking again > Spawing child[2] failed, next try > Child[2] died to often, not forking again > Spawing child[3] failed, next try > Child[3] died to often, not forking again > Spawing child[4] failed, next try > Child[4] died to often, not forking again > Spawing child[0] failed, next try > Child[0] died to often, not forking again > > After which the process exits and I revert to the 502 Bad gateway. > > What am I missing here? :). > > Thanks for any tips. I'm not that experienced with spawn-fcgi. > > > > _______________________________________________ > mapserver-users mailing list > [email protected] > http://lists.osgeo.org/mailman/listinfo/mapserver-users > _______________________________________________ mapserver-users mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/mapserver-users
