In OpenShift 4 the "oc-mirror" plugin is generating the error: "MANIFEST_UNKNOWN: manifest unknown; map[]"

Solution Verified - Updated -

Issue

  • The oc-mirror command fails with the following errors:
$ oc-mirror --from . docker://$REGISTRY:$PORT
[...]
repo "rhacm2/search-collector-rhel8" manifest sha256:dea455fdd32d5f70c7a37be29a4052a69602056ae6a25cd2d6160cbdc8585081: DELETE https://$REGISTRY:$PORT/v2/rhacm2/search-collector-rhel8/manifests/sha256:dea455fdd32d5f70c7a37be29a4052a69602056ae6a25cd2d6160cbdc8585081: MANIFEST_UNKNOWN: manifest unknown; map[]

Environment

  • Red Hat OpenShift Container Platform (RHOCP)
    • 4.11

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