[mapserver-users] mapserver files to subdomain results in '500 Internal Server Error' when mapserv executable accessed through url

[Ted Spradley]

Hi all,

I decided it would be a good idea to move all of my mapping activity to a
subdomain: maps.subdomain.com

Accessing mapserv by 'http://maps.domain.com/cgi-bin/mapserv' the result
is '500 Internal Server Error'.

Accessing mapserv by 'http://domain.com/cgi-bin/mapserv' the result
is the expected 'No query information to decode. QUERY_STRING is set, but
empty. '.

access_log shows the two requests converted to the same GET:

1. 'http://domain.com/cgi-bin/mapserv' -

[21/Sep/2009:12:40:12 -0500] "GET /cgi-bin/mapserv HTTP/1.1" 200 249 "-"
"Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.1.3) Gecko/20090824
Firefox/3.5.3 (.NET CLR 3.5.30729)"

2. 'http://maps.domain.com/cgi-bin/mapserv' - 
[21/Sep/2009:12:40:20 -0500] "GET /cgi-bin/mapserv HTTP/1.1" 500 1549 "-"
"Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.1.3) Gecko/20090824
Firefox/3.5.3 (.NET CLR 3.5.30729)"

One gets code 200, Two gets code 500.

error_log shows:
[Mon Sep 21 12:40:20 2009] [error] [client 98.200.238.238] Premature end of
script headers: mapserv


mapserv -v
MapServer version 5.4.1 OUTPUT=GIF OUTPUT=PNG OUTPUT=JPEG OUTPUT=WBMP
OUTPUT=SVG SUPPORTS=PROJ SUPPORTS=FREETYPE SUPPORTS=ICONV
SUPPORTS=WMS_SERVER SUPPORTS=WMS_CLIENT SUPPORTS=WFS_SERVER
SUPPORTS=WFS_CLIENT SUPPORTS=WCS_SERVER SUPPORTS=THREADS INPUT=EPPL7
INPUT=POSTGIS INPUT=OGR INPUT=GDAL INPUT=SHAPEFILE

MapServer is now configured for

 -------------- Compiler Info -------------
  C compiler:                gcc -O2 -fPIC -Wall
  C++ compiler:              g++ -O2 -fPIC -Wall
  Debug:                      -DNEED_NONBLOCKING_STDERR
  Generic NINT:

 -------------- Renderer Settings ---------
  zlib support:              -DUSE_ZLIB
  png support:
  palette rgba png support:
  jpeg support:
  iconv support:             -DUSE_ICONV
  AGG support:
  AGG Freetype support:
  Ming(flash) support:
  PDFLib support:

 -------------- Support Libraries ---------
  Proj.4 support:            -DUSE_PROJ
  Libxml2 support:           -DUSE_LIBXML2
  FriBidi support:
  Curl support:              -DUSE_CURL
  FastCGI support:
  Threading support:         -DUSE_THREAD
  GEOS support:

 -------------- Data Format Drivers -------
  native tiff support:
  PostGIS support:           -DUSE_POSTGIS
  EPPL7 support:             -DUSE_EPPL
  ArcSDE support:
  OGR support:               -DUSE_OGR
  GDAL support:              -DUSE_GDAL
  Oracle Spatial support:

 -------------- OGC Services --------------
  WMS Server:                -DUSE_WMS_SVR
  WMS Client:                -DUSE_WMS_LYR
  WFS Server:                -DUSE_WFS_SVR
  WFS Client:                -DUSE_WMS_LYR
  WCS Server:                -DUSE_WCS_SVR
  SOS Server:

 -------------- MapScript -----------------
  PHP MapScript:             yes


Installation: Fedora 7, Linux Apache/2.2.8

Does anyone have any thoughts about where I may start looking for clues?

Thank you,
Ted S.

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