Internal Server Error - UNIX CGI - But not PHP MapScript

[Ethan Alpert]

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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