18 Nov
2010
18 Nov
'10
11:16 p.m.
Hello,
I installed and run Kamailio, it run pretty stabil for a while with a
few phone registered, but recently encountered a mysql error, once a
while, kamailio report following error:
/usr/local/sbin/kamailio[11693]: INFO: <script>: route[AUTH]
/usr/local/sbin/kamailio[11693]: ERROR: db_mysql [km_dbase.c:117]:
driver error on query: Commands out of sync; you can't run this
command now
/usr/local/sbin/kamailio[11693]: ERROR: <core> [db_query.c:101]:
error while submitting query
/usr/local/sbin/kamailio[11693]: ERROR: auth_db [authorize.c:102]:
failed to query database
the freq of these error getting increase once we introduce more
clients. Try to google about this type of error, but found a mix
suggestion without clear answer/suggestion.
Any pointer/suggestion on how to troubleshoot?
Thanks in advance for you help.
========
i'm running :
Server: kamailio (3.0.3 (i386/linux)) a22dc9
Mysql: 5.0.77
CentOS 5.5
18 Nov
18 Nov
11:19 p.m.
2010/11/18 Johny Kadarisman Kwan <jkr888(a)gmail.com>om>:
/usr/local/sbin/kamailio[11693]: ERROR: db_mysql
[km_dbase.c:117]:
driver error on query: Commands out of sync; you can't run this
command now
This error occurs when two MySQL requests sharing the same TCP
connection are sent one after the other, without waiting for the
response of the first one. This problem can arise when two threads or
two processes share the same MySQL connection and there is no a pool
mechanism or a lock mechanism.
This shouldn't occur in Kamailio as each process is supposed to
mantain its own MySQL connections, so it seems a bug. Which version
are you using?
--
Iñaki Baz Castillo
<ibc(a)aliax.net>
11:24 p.m.
Hi there,
I'm running Kamilio 3.0.3, at least that is showen on sercmd>core.version.
following are other details:
Server: kamailio (3.0.3 (i386/linux)) a22dc9
Mysql: 5.0.77
CentOS 5.5
On Thu, Nov 18, 2010 at 5:19 PM, Iñaki Baz Castillo <ibc(a)aliax.net> wrote:
2010/11/18 Johny Kadarisman Kwan
<jkr888(a)gmail.com>om>:
/usr/local/sbin/kamailio[11693]: ERROR: db_mysql
[km_dbase.c:117]:
driver error on query: Commands out of sync; you can't run this
command now
This error occurs when two MySQL requests sharing the same TCP
connection are sent one after the other, without waiting for the
response of the first one. This problem can arise when two threads or
two processes share the same MySQL connection and there is no a pool
mechanism or a lock mechanism.
This shouldn't occur in Kamailio as each process is supposed to
mantain its own MySQL connections, so it seems a bug. Which version
are you using?
--
Iñaki Baz Castillo
<ibc(a)aliax.net>
19 Nov
19 Nov
10:10 a.m.
On 11/19/2010 12:24 AM, Johny Kadarisman Kwan wrote:
Hi there,
I'm running Kamilio 3.0.3, at least that is showen on sercmd>core.version.
following are other details:
Server: kamailio (3.0.3 (i386/linux)) a22dc9
Mysql: 5.0.77
CentOS 5.5
On Thu, Nov 18, 2010 at 5:19 PM, Iñaki Baz Castillo<ibc(a)aliax.net> wrote:
> 2010/11/18 Johny Kadarisman Kwan<jkr888(a)gmail.com>om>:
>
>> /usr/local/sbin/kamailio[11693]: ERROR: db_mysql [km_dbase.c:117]:
>> driver error on query: Commands out of sync; you can't run this
>> command now
>>
> This error occurs when two MySQL requests sharing the same TCP
> connection are sent one after the other, without waiting for the
> response of the first one. This problem can arise when two threads or
> two processes share the same MySQL connection and there is no a pool
> mechanism or a lock mechanism.
> This shouldn't occur in Kamailio as each process is supposed to
> mantain its own MySQL connections, so it seems a bug. Which version
> are you using?
>
>
Hello
Google suggests that this seems to happen when you don't free the
result, and then issue another query (highly dependent on MySQL client
version etc).
"I think the real problem here is the order things happen in. A ROLLBACK
or an AUTOCOMMIT query do not return a result set and thus do not need
to be dealt with as you describe here. It is more likely that there is
an existing result set that has not be explicitly freed in the PHP
script and the PHP destructor for that result set is being called after
the call to restore_connection_default. That's when you would get an
out-of-sync error because the ROLLBACK is called with an outstanding
result set. So, for those of you experiencing this problem, try
explicitly calling mysql_free_result() on your result sets."
This is from a thread on a php bug (from 2002)
http://bugs.php.net/bug.php?id=19529
Also this issue seem to plage some other known applications :
http://forums.mysql.com/read.php?168,238786,238786 ;)
After looking thru the code of auth_db that generated the error it seems
that the digest_authenticate() method doesn't explicitly free the
result when the call to get_ha1() succeeds. AFAIK this should not be a
problem (as the result is freed a liter later on by db_mysql module) Any
other ideas... ?
Marius
--
Iñaki Baz Castillo
<ibc(a)aliax.net>
_______________________________________________
sr-dev mailing list
sr-dev(a)lists.sip-router.org
http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-dev
23 Nov
23 Nov
7:21 a.m.
Hi,
Looks like this error occur after I switch db_mode to 1 for the
registrar functionality.
Switch back to mode 2 does seem to eliminate above error.
On Fri, Nov 19, 2010 at 4:10 AM, marius zbihlei <marius.zbihlei(a)1and1.ro> wrote:
On 11/19/2010 12:24 AM, Johny Kadarisman Kwan wrote:
_______________________________________________
sr-dev mailing list
sr-dev(a)lists.sip-router.org
http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-dev
Hi there,
I'm running Kamilio 3.0.3, at least that is showen on sercmd>core.version.
following are other details:
Server: kamailio (3.0.3 (i386/linux)) a22dc9
Mysql: 5.0.77
CentOS 5.5
On Thu, Nov 18, 2010 at 5:19 PM, Iñaki Baz Castillo<ibc(a)aliax.net> wrote:
>
> 2010/11/18 Johny Kadarisman Kwan<jkr888(a)gmail.com>om>:
>
>>
>> /usr/local/sbin/kamailio[11693]: ERROR: db_mysql [km_dbase.c:117]:
>> driver error on query: Commands out of sync; you can't run this
>> command now
>>
>
> This error occurs when two MySQL requests sharing the same TCP
> connection are sent one after the other, without waiting for the
> response of the first one. This problem can arise when two threads or
> two processes share the same MySQL connection and there is no a pool
> mechanism or a lock mechanism.
> This shouldn't occur in Kamailio as each process is supposed to
> mantain its own MySQL connections, so it seems a bug. Which version
> are you using?
>
>
Hello
Google suggests that this seems to happen when you don't free the result,
and then issue another query (highly dependent on MySQL client version etc).
"I think the real problem here is the order things happen in. A ROLLBACK or
an AUTOCOMMIT query do not return a result set and thus do not need to be
dealt with as you describe here. It is more likely that there is an existing
result set that has not be explicitly freed in the PHP script and the PHP
destructor for that result set is being called after the call to
restore_connection_default. That's when you would get an out-of-sync error
because the ROLLBACK is called with an outstanding result set. So, for those
of you experiencing this problem, try explicitly calling mysql_free_result()
on your result sets."
This is from a thread on a php bug (from 2002)
http://bugs.php.net/bug.php?id=19529
Also this issue seem to plage some other known applications :
http://forums.mysql.com/read.php?168,238786,238786 ;)
After looking thru the code of auth_db that generated the error it seems
that the digest_authenticate() method doesn't explicitly free the result
when the call to get_ha1() succeeds. AFAIK this should not be a problem (as
the result is freed a liter later on by db_mysql module) Any other ideas...
?
Marius
--
Iñaki Baz Castillo
<ibc(a)aliax.net>
_______________________________________________
sr-dev mailing list
sr-dev(a)lists.sip-router.org
http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-dev
4924
days inactive
4929
days old
4 comments
3 participants
participants (3)
-
Iñaki Baz Castillo -
Johny Kadarisman Kwan -
marius zbihlei