Mapserver Crash

Wed Jan 12 08:17:53 PST 2005

Yes, it works!

# ./mapserv -v
MapServer version 4.4.1 OUTPUT=GIF OUTPUT=PNG OUTPUT=JPEG OUTPUT=WBMP OUTPUT=SWF SUPPORTS=PROJ SUPPORTS=FREETYPE SUPPORTS=WMS_SERVER SUPPORTS=WMS_CLIENT SUPPORTS=WFS_SERVER SUPPORTS=WFS_CLIENT SUPPORTS=WCS_SERVER INPUT=EPPL7 INPUT=OGR INPUT=GDAL INPUT=SHAPEFILE DEBUG=MSDEBUG
# ./mapserv QUERY_STRING="test"
Content-type: text/html

<HTML>
<HEAD><TITLE>MapServer Message</TITLE></HEAD>

<BODY BGCOLOR="#FFFFFF">
loadMap(): Web application error. CGI variable "map" is not set. <br>

# ./mapserv QUERY_STRING="map=test"
Content-type: text/html

<HTML>
<HEAD><TITLE>MapServer Message</TITLE></HEAD>

<BODY BGCOLOR="#FFFFFF">
msEvalRegex(): Regular expression error. String (test) failed expression test. <br>
</BODY></HTML>

./mapserv QUERY_STRING="map=test.map"
Segmentation fault

Also tried to copy the mapserv executable together with a few libraries that it required on another Slackware 10 machine an got the same errors.

----- Original Message ----- 
From: "Camden Daily" <cdaily at GMAIL.COM>
To: <MAPSERVER-USERS at LISTS.UMN.EDU>
Sent: Wednesday, January 12, 2005 6:00 PM
Subject: Re: [UMN_MAPSERVER-USERS] Mapserver Crash

> Does mapserver work without a file argument, such as './mapserv -v'?
> 
> 
> On Wed, 12 Jan 2005 17:23:55 +0200, Constantin Cristian
> <constantin.a.cristian at gmail.com> wrote:
>>
>> Hello,
>> I'm kind of new to Mapserver and i have the folowing problem:
>> -I am building Mapserver 4.4.1 on a Slackware 10 machine, with
>> ./configure --enable-debug --with-eppl --with-proj=/usr/local
>> --with-ogr=/usr/local/bin/gdal-config --with-wfs --with-wcs --with-wmsclient
>> --with-wfsclient --with-gdal=/usr/local/bin/gdal-config --with-mygis=yes
>> --with-php=/root/wms/php/php-4.3.7
>> --with-php-regex-dir=/root/wms/php/php-4.3.7/regex
>> --with-fastcgi=/root/wms/mod_fastcgi-2.4.2
>> --with-ming=/root/wms/ming-0.3beta1/src
>> --with-httpd=/usr/local/apache2/bin/httpd (
>> I don't have any problems here)
>>
>> -after that i run make  (
>> I don't have any problems here except some warning concerning ming)
>>
>> -the mapserv executable is built
>>
>> -now the problem begins: when i run # ./mapserv
>> QUERY_STRING="map=/usr/local/apache2/htdocs/workshop/itasca.map"
>> and i get "Segmentation fault", i should mention that this file exists but
>> that does not mater the crash hapens whenever I set the variable map is set
>> and does
>> not matter if the file exists or not
>> #./mapserv QUERY_STRING="map=twtrewa.map"
>> Segmentation fault
>>
>> Here is more info:
>> # gdb ./mapserv
>> GNU gdb 6.1.1
>> Copyright 2004 Free Software Foundation, Inc.
>> GDB is free software, covered by the GNU General Public License, and you are
>> welcome to change it and/or distribute copies of it under certain
>> conditions.
>> Type "show copying" to see the conditions.
>> There is absolutely no warranty for GDB.  Type "show warranty" for details.
>> This GDB was configured as "i486-slackware-linux"...Using host libthread_db
>> library "/lib/libthread_db.so.1".
>>
>> (gdb)set args
>> QUERY_STRING="map=/usr/local/apache2/htdocs/workshop/itasca.map"
>> (gdb) set verbose 1
>> (gdb) run
>> Starting program: /root/wms/mapserver-4.4.1/mapserv
>> QUERY_STRING="map=/usr/local/apache2/htdocs/workshop/itasca.map"
>>
>> Reading symbols from /usr/local/lib/libgd.so.2...done.
>> Reading symbols from /usr/lib/libjpeg.so.62...done.
>> Reading symbols from /usr/lib/libfreetype.so.6...done.
>> Reading symbols from /usr/lib/libpng.so.3...done.
>> Reading symbols from /usr/lib/libz.so.1...done.
>> Reading symbols from /usr/local/lib/libXpm.so.4...done.
>> Reading symbols from /usr/lib/libX11.so.6...done.
>> Reading symbols from /usr/local/lib/libproj.so.0...done.
>> Reading symbols from /usr/local/lib/libgdal.so.1...done.
>> Reading symbols from /usr/local/lib/libming.so...done.
>> Reading symbols from /usr/lib/libcurl.so.3...done.
>> Reading symbols from /usr/lib/libssl.so.0...done.
>> Reading symbols from /usr/lib/libcrypto.so.0...done.
>> Reading symbols from /lib/libdl.so.2...done.
>> Reading symbols from /lib/libc.so.6...done.
>> Reading symbols from /lib/libm.so.6...done.
>> Reading symbols from /usr/lib/libstdc++.so.5...done.
>> Reading symbols from /usr/lib/libgcc_s.so.1...done.
>> Reading symbols from /usr/X11R6/lib/libfontconfig.so.1...done.
>> Reading symbols from /usr/lib/libpng12.so.0...done.
>> Reading symbols from /usr/lib/./libungif.so.4...done.
>> Reading symbols from /usr/lib/./libtiff.so.3...done.
>> Reading symbols from /usr/lib/mysql/libmysqlclient.so.12...done.
>> Reading symbols from /lib/libcrypt.so.1...done.
>> Reading symbols from /lib/libnsl.so.1...done.
>> Reading symbols from /lib/ld-linux.so.2...done.
>> Reading symbols from /usr/lib/libexpat.so.0...done.
>>
>> Program received signal SIGSEGV, Segmentation fault.
>> 0x0806735b in loadMapInternal (
>>     filename=0x8101f38 "/usr/local/apache2/htdocs/workshop/itasca.map",
>>     new_mappath=0x0) at mapfile.c:4173
>> 4173      if((msyyin = fopen(filename,"r")) == NULL) {
>> (gdb)
>>
>> I don't know why mapserv does not like the fopen function i tried to build a
>> small program using fopen and i got no problem, it seams to me to be a
>> Mapserver problem.
>>
>> Please help me and excuse my english:)
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