OGR failing on Linux with Premature end of script headers

[Stephen Woodbridge]

Try "locate libgdal" which should show you where all copies of files 
with libgdal in the name are located on your system.

-Steve

McGraw, Joanne wrote:
> Hi Frank,
> Nice to hear from you! Hope all is well down your way. No gloating about the Senators loss.
> 
> I tried your suggestion and didn't get any additional information:
> 
> [mcgrawj at siswebdev temp]$/server/dev4.wms1/bin/shp2img -m /data/dev1.wms1.www/htdocs/gdas/temp/map1147200518.map -o junk.png
> Segmentation fault
> [mcgrawj at siswebdev temp]$
> 
> I'm trying to track down which version of libgdal.so we're actually pointing to, but will have to wait to talk to the configuration manager for that machine. I feel it is entirely possible (likely?) that old versions of the libraries are being used.
> 
> Thanks for the suggestion.
> jtm
>  
> Joanne T. McGraw
> GIS Data Analyst / Analyste des données du SIG
> Agriculture and Agri-Food Canada / Agriculture et Agroalimentaire Canada
> Telephone/Téléphone: 613 759-6103
> Facsimile/Télécopieur: 613 759-1937
> 960 Carling Ave, Bldg. 20, Rm. 1136
> Ottawa, Ontario
> K1A 0C6
> 
> mcgrawj at agr.gc.ca
> www.agr.gc.ca/nlwis-snite
> 
> 
> -----Original Message-----
> From: Frank Warmerdam [mailto:fwarmerdam at gmail.com] On Behalf Of Frank Warmerdam
> Sent: Thursday, May 18, 2006 3:44 PM
> To: McGraw, Joanne
> Cc: MAPSERVER-USERS at LISTS.UMN.EDU
> Subject: Re: [UMN_MAPSERVER-USERS] OGR failing on Linux with Premature end of script headers
> 
> McGraw, Joanne wrote:
> 
>>LAYER NAME "ecozones" DATA "ecozones"
>>
>>#    CONNECTION "/ms4w_1.4.0/Apache/htdocs/dev1/data/ecozones.shp" #
>>CONNECTIONTYPE OGR #    DATA "SELECT * FROM ecozones"
>>
>>: END
>>
>>In the browser, when I enter the following URL with the above definition,
>>the image appears fine: 
>>http://host/cgi-bin/mapserv?map=/server_path/Apache/htdocs/map_nojoin.map&mode=map&layer=ecozones
>>
>>
>>However, if I comment the 'DATA "ecozones"' line and uncomment the lines
>>referring to OGR, the image displays correctly from a Windows server; so,
>>I'm fairly confident the syntax in the file is fine. But, the same map file
>>(with a different path to the ecozones.shp file obviously) gives the
>>"Premature end of script headers" error.
>>
>>Any pointers as to how I can identify what is causing the error are greatly
>>appreciated. I'm stuck!
> 
> 
> Joanne,
> 
> You might want to try "shp2img" on your map file as it will generally give
> you better error messages.  In fact, I usually see specific messages for
> missing shared libraries in my Apache error_log, so I'm surprised you don't
> see more details.  Perhaps an old OGR (libgdal.so) is getting picked up
> in your case and this is causing a crash without details.
> 
> Good luck,