It seems like the SDK being used does not have currently supported SSL certificates bundled with it. If you have an older version of the stand-alone SDK, the bundled certs may be outdated. If you have the newest version of the standalone SDK, the certs may still not have been updated. Having just tested the original App Engine SDK for Python <https://cloud.google.com/appengine/docs/standard/python/download> myself (version 1.9.52) however, I can confirm that I was able to deploy my test application successfully without SSL handshake errors.
If you also have the newest version and still get this error when using the CLI *appcfg.py update <your-app.yaml>*, I would recommend filing a new issue on the Issue Tracker. If you have an earlier version and want to continue using the stand-alone App Engine SDK, I'd recommend downloading the newest version which is currently *1.9.52*. If you're not particularly attached to the stand-alone SDK, I strongly recommend switching to the Cloud SDK <https://cloud.google.com/sdk/> as this is where much of Google's energy is spent <https://stackoverflow.com/questions/38982261/has-the-google-app-engine-launcher-for-mac-osx-been-deprecated#comment65351303_38982261> for deployment tools. It is a much more robust tool set and includes commands for almost all Google Cloud products so quite versatile. On Wednesday, April 12, 2017 at 9:07:26 AM UTC-4, John Woods wrote: > > > HI, > > I'm trying to deploy a custom tinywebdb using Google App Engine Launcher, > and I get the error message shown below. Can anyone tell me how to resolve > this error. Thanks. John > > > File "C:\Program Files > (x86)\Google\google_appengine\lib\httplib2\httplib2\__init__.py", line > 1037, in connect > raise SSLHandshakeError(e) > httplib2.SSLHandshakeError: [Errno 1] _ssl.c:499: error:14090086:SSL > routines:SSL3_GET_SERVER_CERTIFICATE:certificate verify failed > 2017-04-06 13:17:09 (Process exited with code 1) > > You can close this window now. > -- You received this message because you are subscribed to the Google Groups "Google App Engine" group. To unsubscribe from this group and stop receiving emails from it, send an email to google-appengine+unsubscr...@googlegroups.com. To post to this group, send email to google-appengine@googlegroups.com. Visit this group at https://groups.google.com/group/google-appengine. To view this discussion on the web visit https://groups.google.com/d/msgid/google-appengine/b45c0f26-aeb2-4805-92b4-d00d1041c164%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.