What to do
When a application uses Github OAuth 2 authentication, some of accounts may lost its email address in a application. The reason is that Github account keep it’s email address as ‘Private‘.
In order to use Github account’s email address on Gerrit, a user have to make it as Public
- Go to ‘http://github.com/ > Setting > Emails’
- Link: https://github.com/settings/emails/
- Uncheck ‘Keep my email address private’