Hello,

The only thing I can think of is that the repoze.who middleware was
added in the wrong order. Please have a look at this example:
https://bitbucket.org/Gustavo/whatpylonsproject/src/tip/pylonssecuredapp/config/middleware.py

I don't remember seeing that error before. Can you please paste the
traceback if the location of the middleware is not the problem?

Cheers.


On Nov 14, 4:25 am, Josh Kelley <josh...@gmail.com> wrote:
> I'm getting the dreaded "MySQL server has gone away" and "Can't
> reconnect until invalid transaction is rolled back" pair of errors in
> my Pylons application.
>
> From what I've read online, the "Can't reconnect until invalid
> transaction is rolled back" is supposed to be avoided by Pylons'
> default lib/base.py wrapping each controller's operations in a
>
>     try:
>       ...
>     finally:
>       Session.remove()
>
> block.  However, from what I can tell, I'm getting this error within
> repoze.who's middleware (specifically, repose.who.plugins.sa's
> _BaseSQLAlchemyPlugin.get_user), which I assume is executing outside
> of this try / finally block, so Session is never removed or rolled
> back, so the "Can't reconnect until invalid transaction is rolled
> back" error is never cleared.
>
> How do I fix this "invalid transaction" state?  I've read all of the
> suggestions on handling "MySQL server has gone away" and will work on
> those, but before I do so, I'd like to know that if an error does
> somehow slip through, it won't leave my app in a broken "invalid
> transaction" state.
>
> --
> Josh Kelley

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