Trying to generate access_token using refresh token but getting invalid_grant for couple of times. However, the same API is giving the access_token after multiple attempts.
We are not facing this issue on our staging server where we have only one instance. This is coming on our production server only where we have more than one instances.
The problem is, ideally it should not give the access_token once we got invalid_grant but the same refresh_token after multiple retries ends up giving the access_token eventually. The grant_type I am using is refresh_token.
I have tried syncing the NTP time, setting the refresh token lifetime, going on all the instance where our service is deployed and checked which one is giving invalid_grant but the one who is giving invalid_grant is giving access_token also.
Expected:
{ "access_token": "xx", "expires_in": 3600, "token_type": "Bearer", "refresh_token": "xz" }
Getting:
{"error": "invalid_grant"}
