Intermittent “500 Server Error” on “/_ah/openid_ve

Question

I am getting this error about 20% of the time. I've dumped and compared traffic on successful and failed requests and there is no noticeable difference:

There's nothing in the AppEngine logs or dashboard, and also no way to catch exceptions on requests that hit "/_ah" URLs. I've attached a script that tries the login every 5 minutes, as well as the traffic dumps for successful and failed requests.

I would really appreciate it if someone from Google could take a look at this. The error definitely occurs deep in the bowls of the AppEngine OpenID implementation and there is no way for an outsider to see such errors.

Thanks, Graeme

https://dl.dropboxusercontent.com/u/6618078/AppEngine%20OpenID%20error/error.dump https://dl.dropboxusercontent.com/u/6618078/AppEngine%20OpenID%20error/success.dump https://dl.dropboxusercontent.com/u/6618078/AppEngine%20OpenID%20error/test.sh

Answer 1

It could be related to this bug that is only 3.5 years old and not fixed as they don't consider it a "production issue".

https://code.google.com/p/googleappengine/issues/detail?id=3589

The bug is about non-gmail accounts but I have the same server error with gmail accounts (started today for me, 01/12/2014).

No error acknowledged here https://code.google.com/status/appengine.