Reference: jfrog artifactory could not validate router error - centos7

Question

I have tried everyone's suggestions and I still get a failure. This is on a new installation of artifactory: jfrog-artifactory-oss-7.4.1-linux.tar.gz. This is on a local CentOS VM.
2020-04-18T11:53:25.305Z [jfrt ] [INFO ] [a88f4f6ce96d65bb] [o.j.c.ExecutionUtils:141 ] [pool-13-thread-1 ] - Cluster join: Retry 5: Service registry ping failed, will retry. Error while trying to connect to local router at address ‘http://localhost:8046/access’: Connect to localhost:8046 [localhost/127.0.0.1] failed: Connection refused (Connection refused)
hostname -i
172.16.217.147
more /etc/hosts
127.0.0.1 centos7 centos7.example.com localhost localhost.localdomain localhost4 localhost4.localdomain4
::1 localhost localhost.localdomain localhost6 localhost6.localdomain6
172.16.217.147 artifactory-master
system.yaml
shared:
node:
ip: 172.16.217.147
This is from access-service.log:
2020-04-18T11:52:19.789Z [jfac ] [INFO ] [7fbbd46f40602f6b] [o.j.a.s.r.s.GrpcServerImpl:65 ] [ocalhost-startStop-2] - Starting gRPC Server on port 8045
2020-04-18T11:52:20.072Z [jfac ] [INFO ] [7fbbd46f40602f6b] [o.j.a.s.r.s.GrpcServerImpl:84 ] [ocalhost-startStop-2] - gRPC Server started, listening on 8045
2020-04-18T11:52:21.995Z [jfac ] [INFO ] [7fbbd46f40602f6b] [o.j.a.AccessApplication:59 ] [ocalhost-startStop-2] - Started AccessApplication in 11.711 seconds (JVM running for 13.514)
2020-04-18T11:52:29.093Z [jfac ] [WARN ] [7b2c676f76c7ef43] [o.j.c.ExecutionUtils:141 ] [pool-6-thread-2 ] - Retry 20 Elapsed 9.54 secs failed: Registration with router on URL http://localhost:8046 failed with error: UNAVAILABLE: io exception. Trying again
2020-04-18T11:52:34.119Z [jfac ] [WARN ] [7b2c676f76c7ef43] [o.j.c.ExecutionUtils:141 ] [pool-6-thread-2 ] - Retry 30 Elapsed 14.57 secs failed: Registration with router on URL http://localhost:8046 failed with error: UNAVAILABLE: io exception. Trying again