[mapserver-users] Apache crash using Mapserver with big mapfile (about 2500 lines)

[Edgardo Ghibaudo]

Dear users,
 
I’m using the following environment:
Ubuntu 6.06 (libc6 2.3.6)
Apache 2.2.9
Php 4.4.2
Mapserver 4.8.2
Maplab 2.2.1 (last available version)
 
Using a project inside Maplab/gmapfactory with a big mapfile (about 2500 lines) the httpd process of Apache crash.
Enclosed you can find the details of the crash (Backtrace).
Apache compilation details:
./configure --prefix=/usr/local/apache229 --enable-info --enable-mime-magic --enable-rewrite --enable-so --enable-speling --enable-unique_id --enable-usertrack --with-mpm=prefork
PHP compilation details:
./configure --enable-kbmmw --with-regex=system --with-freetype --with-dbase --prefix=/usr/local/apache229/php --with-mysql=/usr/local/mysql4115 --with-pgsql=shared,/usr/local/pgsql8014 --with-pdflib=shared,/usr/local/pdflite703 --with-config-file-path=/usr/local/apache229/php --with-png --with-jpeg --with-jpeg-dir=/usr/local --with-tiff --with-gd --with-zlib --enable-track-vars --enable-sockets --enable-wddx=shared --with-xmlrpc=shared --enable-calendar --with-iconv=/usr/local/libiconv112 --with-iconv-dir=/usr/local/libiconv112 --with-apxs2=/usr/local/apache229/bin/apxs --enable-cgi
Mapserver compilation details:
./configure --enable-debug --with-proj=/usr/local --with-ogr=/usr/local/bin/gdal-config --with-gdal=/usr/local/bin/gdal-config --with-gd --with-httpd=/usr/local/apache229/bin/httpd --with-php=/usr/local/apache229/php --with-php-regex-dir=/usr/local/apache229/php/regex --enable-runpath --enable-force-freetype1 --with-wmsclient --with-freetype --with-png=/usr/local --with-jpeg=/usr/local --with-libiconv=/usr/local --with-wfs --with-wfsclient --with-postgis=/usr/local/pgsql8014/bin/pg_config
 
I tried to upgrade the OS version (Ubuntu 7.04 – libc6 2.5.0), but the result doesn’t change.
I tried also to compile different SW versions (Apache 1.3.41, Php 4.4.9, Mapserver 4.8.3 & 4.8.4), but the result doesn’t change
 
Many thanks,
Edgardo 
 
*** glibc detected *** /usr/local/apache229/bin/httpd: free(): invalid next size (fast): 0x087bdf40 ***
======= Backtrace: =========
/lib/tls/i686/cmov/libc.so.6[0xb7d7b7cd]
/lib/tls/i686/cmov/libc.so.6(cfree+0x90)[0xb7d7ee30]
/usr/local/apache229/php/extensions/php_mapscript_44.so(msFreeShape+0x35)[0xb7814de5]
/usr/local/apache229/php/extensions/php_mapscript_44.so(msDrawVectorLayer+0x336)[0xb7828ca6]
/usr/local/apache229/php/extensions/php_mapscript_44.so(msDrawLayer+0xaa)[0xb7828faa]
/usr/local/apache229/php/extensions/php_mapscript_44.so(msDrawMap+0x5d3)[0xb7829f33]
/usr/local/apache229/php/extensions/php_mapscript_44.so(mapObj_draw+0x1d)[0xb77e34dd]
/usr/local/apache229/php/extensions/php_mapscript_44.so(php3_ms_map_draw+0x6c)[0xb77db65c]
/usr/local/apache229/modules/libphp4.so(execute+0x6b43)[0xb7c7d943]
/usr/local/apache229/modules/libphp4.so(zend_execute_scripts+0xde)[0xb7c674fe]
/usr/local/apache229/modules/libphp4.so(php_execute_script+0x316)[0xb7c3b006]
/usr/local/apache229/modules/libphp4.so[0xb7c8171b]
/usr/local/apache229/bin/httpd(ap_run_handler+0x59)[0x807b1b9]
/usr/local/apache229/bin/httpd(ap_invoke_handler+0x67)[0x807e447]
/usr/local/apache229/bin/httpd(ap_process_request+0x178)[0x8098af8]
/usr/local/apache229/bin/httpd[0x8095d9b]
/usr/local/apache229/bin/httpd(ap_run_process_connection+0x59)[0x8082539]
/usr/local/apache229/bin/httpd[0x80b68f5]
/usr/local/apache229/bin/httpd[0x80b6bb7]
/usr/local/apache229/bin/httpd(ap_mpm_run+0x880)[0x80b7510]
/usr/local/apache229/bin/httpd(main+0x865)[0x8068ae5]
/lib/tls/i686/cmov/libc.so.6(__libc_start_main+0xdc)[0xb7d29ebc]
/usr/local/apache229/bin/httpd(apr_os_proc_mutex_put+0x5d)[0x8067ca1]
 
 

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