Someone pointed out this article about caching:

http://entitycrisis.blogspot.com/2007/06/something-looks-like-pylons-caching.html

Turns out that there's an issue with SQLAlchemy leaving stuff around
from a previous request. Calling session.clear() before making a
request seems to fix the problem.  I wonder if there's a setting
someone that can automatically accomplish the same thing, obviating
having to call session.clear() in nearly every controller.

Thanks.
Edgar


On Apr 26, 6:31 pm, edgarsmolow <[email protected]> wrote:
> No, I'm using MySQL 5.x.
>
> > > OperationalError: (OperationalError) (2006, 'MySQL server has gone
> > > away')
>
> Is there an issue with connection pools?
>
> Edgar
>
> On Apr 26, 5:56 pm, Wyatt Baldwin <[email protected]> wrote:
>
> > > On Apr 26, 12:56 am, Wyatt Baldwin <[email protected]>
> > > wrote:
>
> > > > On Apr 25, 7:14 pm, edgarsmolow <[email protected]> wrote:
>
> > > > > Works fine on my workstation, but after deploying the site to our web
> > > > > server, I'm seeing a strange error.  The first time I go to a page,
> > > > > unable to connect to the database which causes an error page to be
> > > > > displayed.  Refresh the page, and voila! the page works just fine.
>
> > > > > Does anyone know why it can't connect to the database during the
> > > > > initial visit to the page, but can connect after that?
>
> > > > Most likely because that first request causes some initialization to
> > > > happen.
>
> > On Apr 26, 8:28 am, edgarsmolow <[email protected]> wrote:
>
> > > Wyatt,
>
> > > It works just fine on my workstation.  Could this be an issue in
> > > difference between .ini files?
>
> > It's hard to say, but it's certainly possible.
>
> > > An email is sent by the site when this occurs (i.e., often).  This is
> > > the error:
>
> > > OperationalError: (OperationalError) (2006, 'MySQL server has gone
> > > away') u'SELECT accounts.id AS accounts_id, accounts.acct_no AS
> > > accounts_acct_no, ...................
>
> > Oh, you're using the Oracle Lite DB (Community Edition, I assume)?
> > That could be part of the problem, as it's got some annoying issues.
> > You might consider upgrading to the full Enterprise version.
>
> > > Looks like for some reason the app is unable to connect to MySQL.  It
> > > seems that, by refreshing the page, a connection is made and the error
> > > doesn't occur.
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