Centos 4.4 + dbxml 2.3.10 + php5

Question

I've successfully (maybe not?) built dbxml-2.3.10 (including building & installing the included db-4.5.20 & the php module for both db & dbxml) and receive an error when I restart apache (see ERROR below).
The Db4 test simple_counter.php works & the dbxml shell works also.
I'd appreciate any guidance in resolving the error so I can use dbxml from PHP.
ERROR (from httpd log file)
PHP Warning: PHP Startup: Unable to load dynamic library '/usr/lib64/php/modules/dbxml.so' - libdbxml-2.3.so: cannot open shared object file: No such file or directory in Unknown on line 0
ENVIRONMENT DETAILS
- Centos 4.4 (with CentosPlus repository enabled) on an Opteron system (running in vmware)
- httpd-2.0.59-1.el4s1.5.el4.centos
- php-5.1.6-3.el4s1.5
(further details available upon request)

Answer 1

Adding
SetEnv LD_LIBRARY_PATH /usr/lib
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to /etc/httpd/conf/httpd.conf & restarting apache did not resolve the issue.
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Ok, 'cause I think you're on to something I tried something a bit cavalier to test- I added
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LD_LIBRARY_PATH=${LD_LIBRARY_PATH}:/usr/lib
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to /etc/init.d/httpd and restarted apache- the previous error is gone. It seems apache might now be loading the shared lib.
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However, new error when I run test 01.php (from apache error_log):
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[Tue May 22 08:42:04 2007] [error] [client 10.100.5.7] PHP Warning: xmlmanager::createcontainer() [function.xmlmanager-createcontainer]: St9bad_alloc in /var/www/html/01.php on line 8<BR>
[Tue May 22 08:42:04 2007] [error] [client 10.100.5.7] PHP Fatal error: Call to a member function putDocument() on a non-object in /var/www/html/01.php on line 9
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Running /root/downloads/dbxml-2.3.10/dbxml/src/php/run-tests.php from the command line gives:
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[root@localhost php]# php run-tests.php
PHP Warning: PHP Startup: Unable to load dynamic library '/usr/lib64/php/modules/dbxml.so' - libdbxml-2.3.so: cannot open shared object file: No such file or directory in Unknown on line 0
ERROR: environment variable TEST_PHP_EXECUTABLE must be set to specify PHP executable!
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Note: I noticed that the post
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PHP / BDB XML works fine on Red Hat Fedora 5, not on SuSE 10.2/Athlon 64
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the user refers to 32 bit vs. 64 bit issues. My environment is 64 bit (Opteron) and I built the lib as 32 bit.