Re: Please Help! Pythondriver says: ERR -11608 COMMUNIC sql03_request: wrong connection state, state is 'requested'

Hi,

just from gut feeling: this sounds like an improper synchronization in the
application layer.  Maybe you're using the same connection from two
different threads at the same time.  Just my 0.02EUR.

HTH

robert

> Hello all,
> 
> We are using a multithreaded python application as a middleware
> to the database.
> 
> sometimes (when many clients are working intensively at the same time)
> I get the following error to the console of the server:
> 
> ERR -11608 COMMUNIC sql03_request: wrong connection state, state is
> 'requested'
> ERR -11608 COMMUNIC sql03_request: wrong connection state, state is
> 'requested'
> ERR -11608 COMMUNIC sql03_request: wrong connection state, state is
> 'requested'
> ERR -11608 COMMUNIC sql03_request: wrong connection state, state is
> 'requested'
> ERR -11608 COMMUNIC sql03_request: wrong connection state, state is
> 'requested'
> ERR -11608 COMMUNIC sql03_request: wrong connection state, state is
> 'requested'
> ERR -11608 COMMUNIC sql03_request: wrong connection state, state is
> 'requested'
> ERR -11608 COMMUNIC sql03_request: wrong connection state, state is
> 'requested'
> ERR -11608 COMMUNIC sql03_request: wrong connection state, state is
> 'requested'
> 
> The main python process (we are using python 2.2.3 on a suse 7.3 system
> which uses libpthread)
> suddenly disappears (gets killed because of an evil error in the python
> driver?)
> 
> We are using
> - sapdb-srv74-7.4.3.27-1   (database is on the same server like the
> middleware)
> 
> I suspect a problem with the thead-safity of the python-driver.
> 
> 
> Additional information:
> 
> - Each thread has its own connection-object
> - Threads do *not* share connections or cursors
> - before opening or releasing a connection we aquiere a threading.lock.
> 
> What could the problem be?
> 
> Does it help if we upgrade the database server to
> 7.4.3.32?
> 
> Thank you very much in advane for your Help.
> 
> Greetings, Andre' Reitz
> 
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