I've followed the steps on https://cloud.google.com/appengine/docs/ssl and https://support.google.com/a/answer/2644334. I have a custom domain, have correctly uploaded the certificate. Everything seemed to be working, but then an hour later every https: connection fails with ERR_CONNECTION_CLOSED (in Chrome). How can I debug this?
- My www CNAME record is ghs.googlehosted.com
- I'm accessing the site via the www subdomain https://www.example.com
- Google Apps shows as serving SNI only for the assigned url www.example.com
- Billing is enabled
- www.example.com is set as a custom domain in cloud console
- http://www.example.com works fine
- https://app-engine-id.appspot.com works fine (but I think this is irrelevant)
- there are no errors in cloud console logs
