Thanks for the script, Ethan. I'll keep it for the future. Frank's last suggestion allowed me to see that we are not pointing to the same library MapServer was compiled with. I'll need to talk to the system administrator tomorrow about this.
Thanks everyone! I'll let you know how it goes... 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 [EMAIL PROTECTED] www.agr.gc.ca/nlwis-snite -----Original Message----- From: Ethan Alpert [mailto:[EMAIL PROTECTED] Sent: Thursday, May 18, 2006 4:39 PM To: McGraw, Joanne; [email protected] Subject: RE: [UMN_MAPSERVER-USERS] OGR failing on Linux with Premature end of script headers Here's a little PHP script you can put in your document root to see what the environment variables are for apache. If you don't have access to httpd.conf your going to have trouble unless you can install your shared libraries in a path apache already knows about. <?php $vars = Array('GET', 'POST', 'COOKIE', 'SERVER', 'ENV', 'REQUEST', 'SESSION'); $php_version = preg_replace("/[^\d]/", '', phpversion()); for($i=0; $i<sizeof($vars); $i++) { echo "<h1>HTTP_{$vars[$i]}_VARS</h1>"; if(is_array(${"HTTP_{$vars[$i]}_VARS"})) { echo '<table border=1>'; foreach(${"HTTP_{$vars[$i]}_VARS"} as $var=>$val) { echo "<tr><td>$var</td><td>$val</td></tr>"; if($php_version<410) { $GLOBALS["_{$vars[$i]}"][$var] = $val; } unset($$key); } echo '</table>'; } unset(${"HTTP_{$vars[$i]}_VARS"}); } ?> -----Original Message----- From: UMN MapServer Users List [mailto:[EMAIL PROTECTED] On Behalf Of McGraw, Joanne Sent: Thursday, May 18, 2006 2:19 PM To: [email protected] Subject: Re: [UMN_MAPSERVER-USERS] OGR failing on Linux with Premature end of script headers I did. There's about six of them. I don't have access to the Apache config files. Joanne T. McGraw GIS Data Analyst / Analyste des données du SIG Agriculture and Agri-Food Canada / Agriculture et Agroalimentaire Canada Telephone/Téléphone: 613 759-6103 Facsimile/Télécopieur: 613 759-1937 960 Carling Ave, Bldg. 20, Rm. 1136 Ottawa, Ontario K1A 0C6 [EMAIL PROTECTED] www.agr.gc.ca/nlwis-snite -----Original Message----- From: Stephen Woodbridge [mailto:[EMAIL PROTECTED] Sent: Thursday, May 18, 2006 4:17 PM To: McGraw, Joanne Cc: [email protected] Subject: Re: [UMN_MAPSERVER-USERS] OGR failing on Linux with Premature end of script headers Try "locate libgdal" which should show you where all copies of files with libgdal in the name are located on your system. -Steve McGraw, Joanne wrote: > Hi Frank, > Nice to hear from you! Hope all is well down your way. No gloating about the > Senators loss. > > I tried your suggestion and didn't get any additional information: > > [EMAIL PROTECTED] temp]$/server/dev4.wms1/bin/shp2img -m > /data/dev1.wms1.www/htdocs/gdas/temp/map1147200518.map -o junk.png > Segmentation fault > [EMAIL PROTECTED] 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 > > [EMAIL PROTECTED] > www.agr.gc.ca/nlwis-snite > > > -----Original Message----- > From: Frank Warmerdam [mailto:[EMAIL PROTECTED] On Behalf Of Frank Warmerdam > Sent: Thursday, May 18, 2006 3:44 PM > To: McGraw, Joanne > Cc: [email protected] > 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,
