[Serusers] Problem with mysql.so on new server -- SOLVED

Greger V. Teigre greger at teigre.com
Sat Feb 3 11:24:13 CET 2007


As I wrote in a previous post (didn't see your update as it turned up in 
a separate thread for some reason):
ser will look for the header files only when compiling. It probably 
found header files that worked. So, even though the so libraries are not 
installed, the make will not give an error. As the loading of mysql.so 
is at ser start-up, only then you will notice the missing binary libraries.
g-)

sip wrote:
> So, I'm a little disappointed in the compiler/linker for not erroring out
> during compile/link and just letting this go through, but here's the issue: 
>
> The new RHEL4 client libs (libmysqlclient.so.15, et al) from the mysql.org
> RPMs don't install into /usr/lib/mysql. They install into /usr/lib.  For some
> reason, the SER code refuses to find them if they're not in /usr/lib/mysql or
> /usr/local/lib/mysql or /usr/local/lib.  I added the necessary links in the
> makefile to no avail.  
>
> Symlinking the client libs into /usr/lib/mysql and recompiling the ser stuff
> works as it should. 
>
> (ln -s /usr/lib/libmysqlclient* /usr/lib/mysql)
>
>
> Thanks to everyone for being a sounding board. :) 
>
>
> N.
>
>
> On Fri, 2 Feb 2007 08:24:59 -0500, sip wrote
>   
>> Okay... an ldd -r of the mysql.so module shows this:
>>
>> [bob]#ldd -r mysql.so 
>> undefined symbol: log_facility  (./mysql.so)
>> undefined symbol: mem_block     (./mysql.so)
>> undefined symbol: debug (./mysql.so)
>> undefined symbol: log_stderr    (./mysql.so)
>> undefined symbol: log   (./mysql.so)
>> undefined symbol: fm_malloc     (./mysql.so)
>> undefined symbol: dprint        (./mysql.so)
>> undefined symbol: fm_free       (./mysql.so)
>> undefined symbol: pow   (./mysql.so)
>>         libc.so.6 => /lib/tls/libc.so.6 (0x00111000)
>>         /lib/ld-linux.so.2 (0x0099e000)
>>
>> It's as though it's not including something rather critical, but 
>> there's no error on link or compile. So odd.
>>
>> N.
>>
>> On Thu, 1 Feb 2007 09:15:08 -0500, sip wrote
>>     
>>> I thought of that. It HAD an older version of the mysql client 
>>> libraries on there, but I removed those (and all other mysql-related 
>>> packages) before installing the new libraries and compiling ser.
>>>
>>> Again, everything compiles and links correctly. It's just missing something
>>> when it tries to load it. I'm wondering if perhaps SER doesn't work 
>>> with the mysql5 client/development libs -- if something is missing 
>>> from them that is expected.
>>>
>>> I'm most confused.
>>>
>>> N.
>>>
>>> On Thu, 1 Feb 2007 14:42:53 +0100, Atle Samuelsen wrote
>>>       
>>>> Hi Sip,
>>>>
>>>> * sip <sip at infinideas.com> [070201 14:33]:
>>>>         
>>>>> It is indeed most irksome. This works like a charm on all my other
>>>>>           
> servers,
>   
>>>>> but not on this one, and I haven't done anything differently except
>>>>>           
> that my
>   
>>>>> mysqlclient RPM is the one from the mysql.org (mysql 5) site for RHEL4
>>>>> (installing libmysqlclient.so.15 into /usr/lib instead of
>>>>>           
> /usr/lib/mysql). 
>   
>>>>> But, of course, there are no errors on compile and no missing
>>>>>           
> libraries upon
>   
>>>>> link... so I'm confused.
>>>>>           
>>>> Hmm.. did you only download mysqlclient? maybe you are mixing 
>>>> libaries or something, like mysql-cient 4.1 and mysql client-5-devel
>>>>
>>>> I would propose to do a rpm -qa |grep mysql|grep clint |xargs rpm
>>>> --force -e and then install mysql client and mysql devel once more
>>>>
>>>> (ps, I have'nt tried the rpm -qa|grep... thingie..
>>>>
>>>> - Atle
>>>>         
>>>>> N.
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> On Thu, 1 Feb 2007 12:15:49 +0100, Atle Samuelsen wrote
>>>>>           
>>>>>> Hi guys,
>>>>>>
>>>>>> It seems to work in my setup atleast :) I'v only got the defalt RHEL 
>>>>>> 4 + mysql-devel packages installed.
>>>>>>
>>>>>> See under :
>>>>>>
>>>>>> [root at OgoBoo sip_router]# killall ser
>>>>>> [root at OgoBoo sip_router]# grep "mysql" /usr/local/etc/ser/ser.cfg
>>>>>> loadmodule "/usr/local/lib/ser/modules/mysql.so"
>>>>>> [root at OgoBoo sip_router]# cat /etc/redhat-release
>>>>>> Red Hat Enterprise Linux ES release 4 (Nahant Update 2)
>>>>>> [root at OgoBoo sip_router]# ser
>>>>>> Listening on
>>>>>>              udp: 192.168.0.1 [192.168.0.1]:5080
>>>>>> Aliases:
>>>>>>
>>>>>> [root at OgoBoo sip_router]# ps -C ser
>>>>>>   PID TTY          TIME CMD
>>>>>> 17853 ?        00:00:00 ser
>>>>>> 17854 ?        00:00:00 ser
>>>>>> 17855 ?        00:00:00 ser
>>>>>> 17856 ?        00:00:00 ser
>>>>>> 17857 ?        00:00:00 ser
>>>>>> 17858 ?        00:00:00 ser
>>>>>> [root at OgoBoo sip_router]#
>>>>>>
>>>>>> [root at OgoBoo sip_router]# ldd /usr/local/lib/ser/modules/mysql.so
>>>>>>         libmysqlclient.so.14 => /usr/lib/mysql/libmysqlclient.so.14
>>>>>> (0x001df000)
>>>>>>         libz.so.1 => /usr/lib/libz.so.1 (0x00111000)
>>>>>>         libc.so.6 => /lib/tls/libc.so.6 (0x00692000)
>>>>>>         libcrypt.so.1 => /lib/libcrypt.so.1 (0x00121000)
>>>>>>         libnsl.so.1 => /lib/libnsl.so.1 (0x00989000)
>>>>>>         libm.so.6 => /lib/tls/libm.so.6 (0x0014f000)
>>>>>>         libssl.so.4 => /lib/libssl.so.4 (0x00adc000)
>>>>>>         libcrypto.so.4 => /lib/libcrypto.so.4 (0x002f8000)
>>>>>>         /lib/ld-linux.so.2 (0x001c8000)
>>>>>>         libgssapi_krb5.so.2 => /usr/lib/libgssapi_krb5.so.2 
>>>>>> (0x00877000)        libkrb5.so.3 => /usr/lib/libkrb5.so.3 
>>>>>> (0x003e1000)        libcom_err.so.2 => /lib/libcom_err.so.2 
>>>>>> (0x00e4a000)        libk5crypto.so.3 => /usr/lib/libk5crypto.so.3 
>>>>>> (0x00f6c000)        libresolv.so.2 => /lib/libresolv.so.2 
>>>>>> (0x007ee000)        libdl.so.2 => /lib/libdl.so.2 (0x00ed2000)
>>>>>>
>>>>>> - Atle
>>>>>>
>>>>>> * sip <sip at infinideas.com> [070201 11:56]:
>>>>>>             
>>>>>>> [mysql]$ ldd mysql.so 
>>>>>>>         libc.so.6 => /lib/tls/libc.so.6 (0x009bc000)
>>>>>>>         /lib/ld-linux.so.2 (0x0099e000)
>>>>>>>
>>>>>>> Looks just fine. Linked to the appropriate libs. 
>>>>>>>
>>>>>>> I did a search on this error in the archives and it only comes up
>>>>>>>               
>> with one
>>     
>>>>>>> other message, also someone who was having problems in RHEL4. Are we
>>>>>>>               
>>> sure it
>>>       
>>>>>>> works in RHEL4? 
>>>>>>>
>>>>>>> N.
>>>>>>>
>>>>>>>
>>>>>>> On Thu, 01 Feb 2007 09:41:32 +0100, Greger V. Teigre wrote
>>>>>>>               
>>>>>>>> RHEL4 should be fine. ldd mysql.so should reveal if you are missing 
>>>>>>>> any libraries. g-)
>>>>>>>>
>>>>>>>> sip wrote:
>>>>>>>>                 
>>>>>>>>> So... I've had ser 0.9.6 running on RH EL3, and FC3 and 4.  I'm
>>>>>>>>>                   
>>>>> building out a
>>>>>           
>>>>>>>>> server on RH EL4 for SER, but I've run into a snag. I'm sure it's
>>>>>>>>>                   
>>>>> something
>>>>>           
>>>>>>>>> simple, but it has me stumped at the moment. 
>>>>>>>>>
>>>>>>>>> I've recompiled mysql.so on the new server... compiles fine (as
>>>>>>>>>                   
>> do the
>>     
>>>>> rest of
>>>>>           
>>>>>>>>> the modules). However, when I try to start up SER with mysql.so
>>>>>>>>>                   
>>> loaded, it
>>>       
>>>>>>>>> gives me this: 
>>>>>>>>>
>>>>>>>>> ERROR: load_module: could not open module
>>>>>>>>> </usr/local/lib/ser/modules/mysql.so>:
>>>>>>>>>                   
>>>>> /usr/local/lib/ser/modules/mysql.so:
>>>>>           
>>>>>>>>> undefined symbol: log 
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> Undefined symbol: log
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> Never seen this before. Anyone know what it means or, more
>>>>>>>>>                   
>>>>> importantly, how to
>>>>>           
>>>>>>>>> fix it (and no... I'm not going to scrap it all and go with
>>>>>>>>>                   
>> Ottendorf
>>     
>>>>> yet, so
>>>>>           
>>>>>>>>> that's not a solution ;) )? 
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> N.
>>>>>>>>> _______________________________________________
>>>>>>>>> Serusers mailing list
>>>>>>>>> Serusers at lists.iptel.org
>>>>>>>>> http://lists.iptel.org/mailman/listinfo/serusers
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>                   
>>>>>>> _______________________________________________
>>>>>>> Serusers mailing list
>>>>>>> Serusers at lists.iptel.org
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>>>>>>>               
>>> _______________________________________________
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>>>       
>
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