Multi-datacenter start Replicator. Recv failure: Connection reset by peer

[leoromerbric]

Hi, I'm facing this issue trying to start the multi-datacenter example on a ec2 instance in AWS. During the Replicator configuration

Multi-datacenter example demo.
I tried with other docker and docker compose version but still the issue. With branch 6.2.1-post and previos works but with 7.0.0-post not .

ubuntu@ip-172-30-0-110:~/examples/multi-datacenter$ ./start.sh
Creating network "multidatacenter_default" with the default driver
Creating zookeeper-dc2 ...
Creating zookeeper-dc1 ...
Creating zookeeper-dc1
Creating zookeeper-dc1 ... done
Creating broker-dc1 ...
Creating zookeeper-dc2 ... done
Creating broker-dc2 ...
Creating broker-dc1 ... done
Creating schema-registry-dc1 ...
Creating schema-registry-dc1 ... done
Creating datagen-dc1-topic2 ...
Creating schema-registry-dc2 ...
Creating datagen-dc1-topic1 ...
Creating schema-registry-dc2
Creating datagen-dc1-topic2
Creating schema-registry-dc2 ... done
Creating datagen-dc2-topic1 ...
Creating connect-dc2 ...
Creating datagen-dc2-topic1
Creating connect-dc1 ...
Creating connect-dc2
Creating connect-dc2 ... done
Creating control-center ...
Creating datagen-dc1-topic1 ... done
Waiting up to 180 seconds for Connect to start
....................
connect-dc1 and connect-dc2 have started!
Waiting up to 30 seconds for topics to exist
Topics exist!
Replicator: dc1 topic1 -> dc2 topic1
curl: (56) Recv failure: Connection reset by peer
Replicator: dc1 topic2 -> dc2 topic2.replica
curl: (56) Recv failure: Connection reset by peer
Replicator: dc2 topic1 -> dc1 topic1
curl: (56) Recv failure: Connection reset by peer
Waiting up to 60 seconds for connectors to be in RUNNING state
............ERROR: Failed after 60 seconds. Please troubleshoot and run again.

Here the containers status:

docker-compose logs connect-dc1
connect-dc1.log

Environment

• GitHub branch: 7.0.0-post
• Operating System: Ubuntu 18.04.6 LTS (GNU/Linux 5.4.0-1058-aws x86_64)
• Version of Docker: Docker version 18.06.3-ce, build d7080c1
• Version of Docker Compose: docker-compose version 1.14.0, build c7bdf9e

Regards,