I have had problems in the past where I was using a lot of remote_api
calls into appengine.

What I found was, on each call I wasn't reusing an already
authenticated session, which meant after a number of calls
I would be hit with a captcha lock.  (it seems higher up google
infrastructure didn't like me creating new authenticated session for
each call - aside from the fact it isn't very efficient ;-)

Maybe thats whats happening in your case, it might be worthing
checking to see if you are creating a new authenticated session
frequently.

Rgds

T

On Mar 16, 4:15 am, Jan Z <[email protected]> wrote:
> gdata ClientLogin calls from GAE (and from GAE only) appear to get
> frequent spurious CAPTCHA locks.
>
> By "spurious" I mean that another ClientLogin attempt a couple of
> seconds later succeeds (with same credentials), so there is no need
> for users to actually go through the unlockcaptcha step.
>
> We can reproduce this on GAE reliably (as in a captcha occurring one
> or more times for every five attempts) using gdata (python) or
> straight protocol access with urlfetch.    Same code runs on local SDK
> without encountering a single captcha.
>
> So it looks like the API is captcha-locking the GAE.
>
> We have an existing support case #00618963 for this, would be great to
> get someone from the GAE team to have a look please?
>
> Jan

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