Re: MySQL: Commands out of sync; you can't run this command now

Hi!

On Wed, Apr 24, 2013 at 08:51:57AM +0100, "Maciej (Matchek) Blizi??ski" <[email protected]> wrote:
> 2013/4/16 Oleg Broytman <[email protected]>
> > On Tue, Apr 16, 2013 at 10:52:29AM +0100, "Maciej (Matchek) Blizi??ski" <[email protected]> wrote:
> > >   File "/opt/csw/lib/python/site-packages/sqlobject/mysql/mysqlconnection.py",
> > > line 71, in makeConnection
> > >     conn.ping(True) # Attempt to reconnect. This setting is persistent.
> > > ProgrammingError: (2014, "Commands out of sync; you can't run this command now")
> >
> >    "Commands out of sync"means the application calls functions in the
> > wrong order:
> > https://dev.mysql.com/doc/refman/5.1/en/commands-out-of-sync.html
> >    Is the app multithreaded? Could it be the app tries to reuse the same
> > transaction in different threads?
> 
> That was my suspicion too, but it's an wsgi application which doesn't
> use threads. I experimented by reducing the number of wsgi application
> copies / threads in Apache config to 1. It didn't help, so it's
> probably not that.
> 
> I've got an update: I noticed that MySQLdb[1] has a new version (1.2.4)
> so I upgraded it and the problem seems to have gone away. Maybe it was
> some interplay between SqlObject and the MySQL driver for Python, or
> just simply the db driver had a problem.

   I'm glad it's fixed. Good luck!

Oleg.
-- 
     Oleg Broytman            http://phdru.name/            [email protected]
           Programmers don't die, they just GOSUB without RETURN.

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