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Bug #15945 While starting Apache I get an undefined symbol error.mysql_field_count
Submitted: 2002-03-07 22:53 UTC Modified: 2002-04-05 09:59 UTC
From: tbirchmire at usa dot net Assigned:
Status: Closed Package: MySQL related
PHP Version: 4.1.2 OS: RedHat 7.2
Private report: No CVE-ID: None
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 [2002-03-07 22:53 UTC] tbirchmire at usa dot net 
While starting Apache I get an undefined symbol error.
mysql_field_count

Running RedHat 7.2

Installed  MySQL 3.23.49a from binary into /usr/local/mysql from mysql-3.23.49a-pc-linux-gnu-i686. MySQL runs correctly.


php-4.1.2.tar.gz untarred into php-4.1.2
build was  ./configure
 "--with-mysql=/usr/local/mysql   and --with-apxs=/usr/sbin/apxs"
ran correctly  (without error)
make ran without error
make install ran without error



Apache won't start, reporting "undefined symbol"

/etc/rc.d/init.d/httpd start
Starting httpd: Syntax error on line 261 of /etc/httpd/conf/httpd.conf:
Cannot load /etc/httpd/modules/libphp4.so into server: /etc/httpd/modules/libphp4.so: undefined symbol: mysql_field_count
                                                           [FAILED]

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 [2002-03-08 03:00 UTC] sniper@php.net 
Try checking first that the libphp4.so is finding all
necessary libraries:

# ldd /etc/httpd/modules/libphp4.so

As you might not have /usr/local/mysql/lib/mysql/ in your
/etc/ld.so.conf 

Try adding it and run /sbin/ldconfig 

--Jani
 [2002-03-08 07:08 UTC] tbirchmire at usa dot net 
Try checking first that the libphp4.so is finding all
 necessary libraries:

 # ldd /etc/httpd/modules/libphp4.so

 Produced:
[root@localhost etc]# ldd /etc/httpd/modules/libphp4.so
	libc.so.6 => /lib/i686/libc.so.6 (0x4011e000)
	/lib/ld-linux.so.2 => /lib/ld-linux.so.2 (0x80000000)

Added /usr/local/mysql/lib/mysql to /etc/ld.so.comfig leaving off the trailing "/" because the other entries didn't have one.
Ran /sbin/ldconfig    without apparent effect as it came back to the command line without any messages.
Undefined symbol error unchanged.
.
 [2002-04-04 17:55 UTC] sniper@php.net 
If you could please try the PHP 4.2.0 RC2 to see if this
happens with it too..http://www.php.net/~derick/

Also, you could try compiling with the bundled mysql libs.
ie. leave the path out from the --with-mysql option.

--Jani
 [2002-04-05 09:54 UTC] tbirchmire at usa dot net 
Installing php-4.2.0RC2.tar.gz using the above procedure corrected the problem.  Apache now starts and stop without error and I can run my php scripts locally once again.  For what it's worth this problem began because RedHat shipped php without mysql enabled so I don't know how long the trouble was there. I can't be the only person running RedHat7.2 and using php with mysql.  Perhaps it's just my combination of stuff.  In any case php-4-2.0RC2 corrects the problem.
Thanks,
Tom Birchmire
 [2002-04-05 09:59 UTC] sander@php.net 
Closing.
 
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