I see this in the logs:
./database.log:30:2020-10-13T14:52:55.215-0400 W NETWORK [replExecDBWorker-0] Failed to connect to 127.0.0.1: **8622** , in(checking socket for error after poll), reason: Connection refused
It should be using 8602:
mongod 87822 moazed 6u IPv4 25807568 0t0 TCP *:8602 (LISTEN) mongod 87822 moazed 38u IPv4 25807591 0t0 TCP app-cryosparc-prod01:8602->app-cryosparc-prod01:39214 (ESTABLISHED) mongod 87822 moazed 39u IPv4 25807707 0t0 TCP app-cryosparc-prod01:8602->app-cryosparc-prod01:39272 (ESTABLISHED) mongod 87822 moazed 40u IPv4 25808989 0t0 TCP localhost:8602->localhost:42278 (ESTABLISHED)