[Serusers] could not open module mysql.so

Ezequiel Colombo ecolombo at arcotel.net
Mon Sep 13 17:25:51 UTC 2004


RE: [Serusers] could not open module mysql.soIf recompilation if done and dont work you can use strace to see where are SER searching libmysqlclient:

> strace ser -D 2>execlog
> grep "libmysqlclient" execlog

Probably SER try to open /lib/libmysqlclient.so.12 and your mysql installation put the library under /usr/lib/mysql
  ----- Original Message ----- 
  From: Ezequiel Colombo 
  To: Paul Cowie ; g.billoudet at arwen-tech.fr 
  Cc: serusers at lists.iptel.org 
  Sent: Monday, September 13, 2004 1:58 PM
  Subject: Re: [Serusers] could not open module mysql.so


  I think that this is due to mysql upgrade from 3.23 to 4.
  Try recompiling the ser mysql module
    ----- Original Message ----- 
    From: Paul Cowie 
    To: g.billoudet at arwen-tech.fr 
    Cc: serusers at lists.iptel.org 
    Sent: Monday, September 13, 2004 1:25 PM
    Subject: RE: [Serusers] could not open module mysql.so


    Gwen, 

    Where did you make the ln -s libmysqlclient.so.12 libmysqlclient.so.10? 

    I have the same problem - and have tried to link the old embedded reference but without success 

    Regards 

    Paul 

    -----Original Message----- 
    From: g.billoudet at arwen-tech.fr [mailto:g.billoudet at arwen-tech.fr] 
    Sent: 10 September 2004 14:05 
    To: g.billoudet at arwen-tech.fr 
    Cc: serusers at lists.iptel.org 
    Subject: RE: [Serusers] could not open module mysql.so 

    I finally found the solution... 

    First, I don't know why but I had a strange link file 
    (libmysqlclient.so.10) in my folder /usr/local/lib/ser/modules. I deleted 
    it and then I got the following result of the command "ldd mysql.so" : 
       linux-gate.so.1 =>  (0xffffe000) 
       libmysqlclient.so.10 => /usr/lib/libmysqlclient.so.10 (0x40028000) 
       libz.so.1 => /usr/lib/libz.so.1 (0x4005f000) 
       libc.so.6 => /lib/tls/libc.so.6 (0x40070000) 
       libcrypt.so.1 => /lib/libcrypt.so.1 (0x401b8000) 
       libnsl.so.1 => /lib/libnsl.so.1 (0x401e5000) 
       libm.so.6 => /lib/tls/libm.so.6 (0x401f8000) 
       /lib/ld-linux.so.2 => /lib/ld-linux.so.2 (0x80000000) 

    Now, I have the same result than Zeus but I didn't have any 
    /usr/lib/libmysqlclient.so.10... 

    When I installed the libmysql12, I obtained new files in /usr/lib/ 
    (libmysqlclient.so.12 and some others). When SER try to load mysql.so, it 
    looks for the library libmysqlclient.so.10 and obviously can't find it. 
    So I made a link with the following command : 
    ln -s libmysqlclient.so.12 libmysqlclient.so.10 

    And now, SER can load the mysql module !! 

    Thanks for your help Zeus !! 
    Bye, Gwen 



    > 
    > Hi Zeus and other serusers, 
    > 
    > The mysql.so file is the one I got with SER.(ser-0.8.12_linux_i386.tar.gz, 
    > if I remember...). 
    > 
    > Could you tell me what output you get with this command : 
    > # ldconfig -v |grep mysql 
    > ldconfig: Path `/usr/lib' given more than once 
    >         libmysqlclient_r.so.12 -> libmysqlclient_r.so.12.0.0 
    >         libmysqlclient.so.12 -> libmysqlclient.so.12.0.0 
    >         libmysqlclient.so.10 -> libmysqlclient.so.10 
    > 
    > Thanks, 
    >   Gwen 
    > 
    > 
    > 
    >> Gwen, 
    >> 
    >> There is something wrong with your mysql.so file. Did you compile it 
    >> yourself or download it somewhere? It doesn't look like mysql library is 
    >> linked into it. My ldd output is like this: 
    >> 
    >> sip:/usr/local/lib/ser/modules> ldd mysql.so 
    >>         libmysqlclient.so.10 => /usr/lib/libmysqlclient.so.10 
    >> (0x00bbb000) 
    >>         libz.so.1 => /usr/lib/libz.so.1 (0x00abf000) 
    >>         libc.so.6 => /lib/tls/libc.so.6 (0x003f3000) 
    >>         libcrypt.so.1 => /lib/libcrypt.so.1 (0x0056a000) 
    >>         libnsl.so.1 => /lib/libnsl.so.1 (0x0029e000) 
    >>         libm.so.6 => /lib/tls/libm.so.6 (0x00111000) 
    >>         libnss_files.so.2 => /lib/libnss_files.so.2 (0x00a7d000) 
    >>         libnss_dns.so.2 => /lib/libnss_dns.so.2 (0x006dd000) 
    >>         libresolv.so.2 => /lib/libresolv.so.2 (0x00967000) 
    >>         /lib/ld-linux.so.2 => /lib/ld-linux.so.2 (0x0036b000) 
    >> 
    >> Note the first line states that mysql.so should dynamically load the 
    >> mysql 
    >> library from /usr/lib/libmysqlclient.so.10. It is absent from your 
    >> output. 
    >> Either recompile the module or download another copy from the FTP 
    >> server. 
    >> 
    >> Zeus 
    >> 
    >>> -----Original Message----- 
    >>> From: g.billoudet at arwen-tech.fr [mailto:g.billoudet at arwen-tech.fr] 
    >>> Sent: Friday, 10 September 2004 5:10 PM 
    >>> To: Zeus Ng 
    >>> Cc: serusers at lists.iptel.org 
    >>> Subject: RE: [Serusers] could not open module mysql.so 
    >>> 
    >>> 
    >>> Thank you for your help Zeus, 
    >>> 
    >>> Here are the output of the commands : 
    >>> 
    >>> [root at linux gwen]# ldd /usr/local/lib/ser/modules/mysql.so 
    >>>         linux-gate.so.1 =>  (0xffffe000) 
    >>>         libz.so.1 => /usr/lib/libz.so.1 (0x40028000) 
    >>>         libc.so.6 => /lib/tls/libc.so.6 (0x40039000) 
    >>>         /lib/ld-linux.so.2 => /lib/ld-linux.so.2 (0x80000000) 
    >>> 
    >>> [root at linux gwen]# cat /etc/ld.conf 
    >>> cat: /etc/ld.conf: No such file or directory 
    >>> 
    >>> [root at linux gwen]# cat /etc/ld.so.conf 
    >>> /usr/X11R6/lib 
    >>> /usr/lib/qt3/lib 
    >>> /usr/local/lib/ser/modules 
    >>> /usr/lib 
    >>> 
    >>>   Gwen 
    >>> 
    >>> 
    >>> > Gwen, 
    >>> > 
    >>> > It appears that your mysql.so is not link properly with the mysql 
    >>> > library. Send the following output to the list. It may give us more 
    >>> > insight on your problem. 
    >>> > 
    >>> > root#  ldd /usr/local/lib/ser/modules/mysql.so 
    >>> > root#  cat /etc/ld.conf 
    >>> > 
    >>> > 
    >>> > Zeus 
    >>> > 
    >>> >> -----Original Message----- 
    >>> >> From: serusers-bounces at lists.iptel.org 
    >>> [mailto:serusers-bounces at lists.iptel.org] 
    >>> >> On Behalf Of g.billoudet at arwen-tech.fr 
    >>> >> Sent: Friday, 10 September 2004 12:46 AM 
    >>> >> To: g.billoudet at arwen-tech.fr 
    >>> >> Cc: serusers at lists.iptel.org 
    >>> >> Subject: Re: [Serusers] could not open module mysql.so 
    >>> >> 
    >>> >> 
    >>> >> 
    >>> >> Hi, 
    >>> >> 
    >>> >> I checked my MySQL-client package. So I installed 
    >>> >> MySQL-client-4.0.20-0.i386.rpm. I also had to install the package 
    >>> >> libmysql12. But, I still have the same problem with the 
    >>> load of mysql 
    >>> >> module... 
    >>> >> 
    >>> >> I the folder /usr/lib, new files appeared : libmysqlclient_r.so.12@ 
    >>> >> libmysqlclient_r.so.12.0.0* 
    >>> >> libmysqlclient.so.10* 
    >>> >> libmysqlclient.so.12@ 
    >>> >> libmysqlclient.so.12.0.0* 
    >>> >> 
    >>> >> What 'libmysqlclient' files do you have in your folder 
    >>> /usr/lib and 
    >>> >> /usr/local/lib/ser/modules/ ?? 
    >>> >> 
    >>> >> When I use "/usr/local/sbin/ser -c", the message of the error is a 
    >>> >> bit different : 
    >>> >>  0(2570) loading module /usr/local/lib/ser/modules/mysql.so 
    >>> >>  0(2570) ERROR: load_module: could not open module 
    >>> >> </usr/local/lib/ser/modules/mysql.so>: 
    >>> >> /usr/local/lib/ser/modules/mysql.so: undefined symbol: 
    >>> >> mysql_field_count 
    >>> >>  0(2570) parse error (14,13-49): failed to load module 
    >>> >> # ...bla bla... don't mind 
    >>> >> ERROR: bad config file (1 errors) 
    >>> >> 
    >>> >> 
    >>> >> Thanks for help 
    >>> >> Gwen 
    >>> >> 
    >>> >> 
    >>> >> 
    >>> > 
    >>> > 
    >>> 
    >> 
    >> 
    > 
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