Internal Server Error - UNIX CGI - But not PHP MapScript

[Ethan Alpert]

I just want to qualify. when I say the CGI core dumped I refering to CGI
apps in general not mapserv. mapserv rarely core dumps.

        -----Original Message-----
        From: UMN MapServer Users List
[mailto:MAPSERVER-USERS at lists.umn.edu] On Behalf Of Ethan Alpert
        Sent: Wednesday, December 15, 2004 9:57 AM
        To: MAPSERVER-USERS at lists.umn.edu
        Subject: Re: [UMN_MAPSERVER-USERS] Internal Server Error - UNIX
CGI - But not PHP MapScript
	
	
        Can you/have you done an ldd on the mapserv executable? Does it
run at the command live with mapserv -v ? I susspect that mapserv is
missing a shared object. It may be possible that your shell environment
has a proper LD_LIBRARY_PATH but your webserver doesn't. Do your httpd
error logs have any additional info? My experience is that the error log
will just have an "ended prematurely" error in the case of the library
path problem. Most of the time when you get a 500 error I find that the
CGI core dumped.
         
        -e

                -----Original Message-----
                From: UMN MapServer Users List
[mailto:MAPSERVER-USERS at LISTS.UMN.EDU] On Behalf Of Bob Bruce -
Programmer
                Sent: Tuesday, December 14, 2004 10:52 PM
                To: MAPSERVER-USERS at LISTS.UMN.EDU
                Subject: [UMN_MAPSERVER-USERS] Internal Server Error -
UNIX CGI - But not PHP MapScript
        	
        	
                My hosting provider has tried to set up MapServer on a
UNIX server but we have run into this problem. I can run the the PHP
MapScript MapServerRecipe examples fine but when I try to run the
MapServer CGI I get this problem. I tried to run the Itasca workshop
example and it gave this "Internal Server Error" so then I tried to run
the most basic case of the the CGI in mode=map and it still gave this
error.
                 
                The strange thing is that I used exactly the same map
with the first PHP Mapscript MapServerRecipe example and it worked
great. After reviewing similar error reports in the Listserv I cannot
come up with a solution, so I'm asking for help from somebody out there.
                 
                My url to attempt to generate the most simple mode=map
image is:
                 
	
http://murals.bighostbox.com/cgi-bin/mapserv?map=/home/m/murals/html/Map
ServerRecipes/hello.map&map_web_imagepath=/home/m/murals/html/tmp/&map_w
eb_imageurl=/tmp/&mode=map
                 
                (when I send the same URL on my Windows server, with the
directory names changed for the Windows system, it displays the image
properly, which leads me to believe that the map file is OK)
                 
                however when I run the php script that uses this same
map file:
                 
	
http://murals.bighostbox.com/MapServerRecipes/hello.phtml
                 
                it works OK. The world protection on my html directory
is: r-x , the world protection on my cgi-bin directory is: r-x and the
world protection on the mapserv CGI file in this directory is: r-x. The
world protection on the tmp directory where the map image files are
stored is: rwx. So I'm assuming that the protections are set up OK.
                 
                When I run phpinfo() (which you can see by going to:
http://murals.bighostbox.com), I get:
                 
                 MapServer Version      MapServer version 4.4.0
OUTPUT=GIF OUTPUT=PNG OUTPUT=JPEG OUTPUT=WBMP SUPPORTS=PROJ
SUPPORTS=FREETYPE SUPPORTS=WMS_SERVER INPUT=TIFF INPUT=EPPL7 INPUT=JPEG
INPUT=SHAPEFILE
                 
                 PHP MapScript Version  ($Revision: 1.220 $ $Date:
2004/11/16 17:23:13 $)   
                 
                The map file is:
                MAP
                    NAME HELLO
                    STATUS ON
                    EXTENT 0 0 4000 3000
                    SIZE 400 300
                #    IMAGECOLOR 200 255 255
                    IMAGECOLOR 255 0 0
                        IMAGETYPE GIF
                    WEB
                        IMAGEPATH "/home/m/murals/html/tmp/"
                        IMAGEURL "/tmp/"
                #        IMAGEPATH "/var/www/html/tmp/"
                #        IMAGEURL "/tmp/"
                    END
                    
                    LAYER
                        NAME "credits"
                        STATUS DEFAULT
                        TRANSFORM FALSE
                        TYPE ANNOTATION
                        FEATURE
                            POINTS
                                200 150
                            END
                            TEXT 'Hello world.  Mapserver rocks.'
                        END
                        CLASS
                            LABEL
                                TYPE BITMAP
                                COLOR 0 0 0
                            END
                        END
                    END
                END
        	
                thanks, in advance, for your help,
                                                                     Bob
Bruce
                 

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