[google-appengine] Re: AppEngine crashing my webserice randomly with errors

Hi, Thank you for sharing this. As it is not showing any other errors in the logs, it could be hard to tell the root cause by looking into this. So at this point, I would recommend to report this in the issue tracker by clicking here

[google-appengine] Re: Alert triggered for 500 responses, but no 500 responses in logs

This video can help you to avoid common alerting mistakes. You can also try this Troubleshooting log-based alerts . If alert isn’t working try this troubleshooting.