google service account example returns “Error refreshing the OAuth2 token { “error” : “invalid_grant” }”

Question

My goal is to make the simplest query on Google Fusion Tables on behalf of my web app users. For that, I created a service account on google co

Answer 1

In my case it was caused by the server's time being too far off (about 5 minutes).

Although your issue is already solved, maybe this is of any help for someone who lands here in the future as the error returned by Google is the same.