While mirroring the amq operator images we found below error messages which indicates the image is not present in registry.
~~~
error: unable to retrieve source image registry.redhat.io/amq7/amq-broker-79-openshift-openjdk-11-rhel8 manifest sha256:967d840b831b310abd3a468a8652d1fa48b2ce28b342bfab53999245deb004f1: unknown: Not Found
error: unable to retrieve source image registry.redhat.io/amq7/amq-broker-79-openshift-openjdk-11-rhel8 manifest sha256:7abfdcfd7b2d3d12b9234f7b057bd199bceefa47bdf02f62236f82a13fdbf5b7: unknown: Not Found
~~~
We also tried to pull this manually but no luck.
~~~
podman pull docker://registry.redhat.io/amq7/amq-broker-79-openshift-openjdk-11-rhel8@sha256:967d840b831b310abd3a468a8652d1fa48b2ce28b342bfab53999245deb004f1
Trying to pull registry.redhat.io/amq7/amq-broker-79-openshift-openjdk-11-rhel8@sha256:967d840b831b310abd3a468a8652d1fa48b2ce28b342bfab53999245deb004f1...
WARN[0016] failed, retrying in 1s ... (1/3). Error: initializing source docker://registry.redhat.io/amq7/amq-broker-79-openshift-openjdk-11-rhel8@sha256:967d840b831b310abd3a468a8652d1fa48b2ce28b342bfab53999245deb004f1: reading manifest sha256:967d840b831b310abd3a468a8652d1fa48b2ce28b342bfab53999245deb004f1 in registry.redhat.io/amq7/amq-broker-79-openshift-openjdk-11-rhel8: unknown: Not Found
~~~
Also tried to pull image with specific version from catalog still showing same issue.
~~~
[root@mirror-registry ~]# podman pull registry.redhat.io/amq7/amq-broker-openjdk-11-rhel8:7.9-5
Trying to pull registry.redhat.io/amq7/amq-broker-openjdk-11-rhel8:7.9-5...
Error: choosing an image from manifest list docker://registry.redhat.io/amq7/amq-broker-openjdk-11-rhel8:7.9-5: no image found in manifest list for architecture amd64, variant "", OS linux
~~~

https://catalog.redhat.com/software/containers/amq7/amq-broker-openjdk-11-rhel8/621fcb47207e0eb3918085cb?container-tabs=gti&gti-tabs=get-the-source