[Mapserver-users] mapserv doesn't work

Fri Jun 20 10:05:46 EDT 2003

Vincent:
Thank you for your reponse!
My mapserv works in "Query...", it print out a lot of
ascii as you said. I think it is the data of the
generated image.
Then what should i do? Should i config something like
php? My project doesn't use php up to now. But it will
be accepted if mapserv has to work with php lib.

 --- Vincent Schut <schut at sarvision.com> µÄÕýÎÄ£º>
Chen,
> 
> The error you get is a very generic error generated
> by php I think. To find 
> out more about what goes wrong, you should at least
> run mapserver from the 
> command prompt, and prefereable thourgh a debugger.
> To run it from the command prompt, type (in the dir
> where the mapserv 
> executable is):
> ./mapserv
>
"QUERY_STRING=map=/var/mapserver/mapfiles/province2.map&mode=map"
> (of course fill in your own mapfile/path and
> eventual other parameters. I 
> think you need to specify at least map and mode.
> This example prints the 
> image data to stdout, so you will see your png or
> gif or whatever scrolling 
> as ascii on you terminal :-)
> But probably you will see an error message instead
> of image data.
> 
> If it is still very generic, like a segmentation
> fault, you should use a 
> debugger.
> To run mapserv from the debugger, do the following:
> make sure you have gdb (the gnu debugger) and type:
> gdb mapserv
> run
>
"QUERY_STRING=map=/var/mapserver/mapfiles/province2.map&mode=map"
> and after the error, type:
> backtrace
> This will show you in which function mapserv (or a
> library) segfaulted.
> Maybe than you will know what to do. Otherwise, send
> your experiences and the 
> mapserv and  debugger output to this list and I'm
> sure you will get more 
> help.
> 
> Cheers,
> Vincent Schut.
> 
> On Friday 20 June 2003 09:12, Chen Fu wrote:
> > Till£º
> >    My linux box is base on redhat8. the make
> generate
> > some warning but no error. the mapserv is 375445
> > bytes. I think it is much smaller than the one i
> used
> > in win2k. But i config it with gd lib only.
> >    if i type "./mapserv" it will show
> > "
> > This script can only be used to decode form
> results
> > and
> > should be initiated as a CGI process via a httpd
> > server.
> > "
> > Is it mean the file is a validate executable?
> shp2img
> > generated in the same procession work very nice.
> >
> > I search the archive for that message before i
> post it
> > here. But most i found is related to php or some
> other
> > thing. Because i am a newbie in compiling
> mapserver in
> > linux, so i select the cleanest way, use only gd
> lib.
> > But still get into trouble, sigh...
> >
> >  --- Till Adams <adams at terrestris.de> µÄÕýÎÄ£º>
> Dear
> > Cheng,
> >
> > > "premature end of script" is an error which
> occurs,
> > > when the compile
> > > process was broken up: so while compiling, the
> > > "mapserv" was written but
> > > not finished. Which linux system do you use? Did
> you
> > > get an error
> > > message when compiling? Try the mailing list
> archive
> > > searching for
> > > contributions fitting to your error message.
> > >
> > > Good luck,
> > > Till
> > >
> > > Chen Fu schrieb:
> > > > Hi!
> > > > This is my first time to compile mapserver in
> > >
> > > linux.
> > >
> > > > But I use mapserver in win2k for a long time.
> > > > First download gd-2.0.15, make and install it.
> > > > Then i download mapserver4.0b, make it and
> copy
> > > > mapserv to cgi-bin.
> > > > But when i input
> http://localhost/cgi-bin/mapserv
> > >
> > > ,
> > >
> > > > the info in the brower is
> > > > Server error!
> > > >
> > > > The server encountered an internal error and
> was
> > > > unable to complete your request.
> > > >
> > > >     Error message:
> > > > Premature end of script headers: mapserv
> > > >
> > > > I have tried shp2img, it work fine, and
> generate
> > > > proper  image.
> > > > Can you give me some suggestion?
> > > >
> > > >
> > > > =====
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> > > > Chinese Academy of Science
> >
> >
>
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> > > > Mapserver-users at lists.gis.umn.edu
> >
> >
>
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> -- 
> ______________________________________
> Vincent Schut
> Sarvision B.V.
> Wageningen, The Netherlands
> www.sarvision.com 

=====
Remote Scensing Satellite Ground Station
Chinese Academy of Science

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