Loaded plugins: product-id, security, subscription-manager
This system is not registered to Red Hat Subscription Management. You can use subscription-manager to register.
Setting up Install Process
No package oracle-j2sdk1.7 available.
Error: Nothing to do
It could be that you're missing the cloudera-manager repo, the command yum repolist should list all the repo - if that's the case, review the Cloudera Installation Path B  as it guides you through installing the repository within the section 'Establish Your Cloudera Manager Repository Strategy'