It looks like the last versions of OCP4 on AWS do not provision the Red Hat registry secrets for pulling the images in S2I builds for KafkaConnect. We shoudl there for edocument it in the AMQ Streams docs how to use it. Basically, the customers need to:

• Create the Red Hat credentials secret according to https://access.redhat.com/RegistryAuthentication
• Link the secret to the builder service acount in the namespace where they plan to use KafkaConnectS2I using oc secrets link builder <secret-name>