Description of problem: qpid-cpp is part of rhel6 base system.
Please provide some more detail. What package does it upgrade?
x86_64/qpid-cpp-client-0.14-22.el6_3.i686.rpm x86_64/qpid-cpp-client-0.14-22.el6_3.x86_64.rpm x86_64/qpid-cpp-client-devel-0.14-22.el6_3.i686.rpm x86_64/qpid-cpp-client-devel-0.14-22.el6_3.x86_64.rpm x86_64/qpid-cpp-client-devel-docs-0.14-22.el6_3.noarch.rpm x86_64/qpid-cpp-client-rdma-0.14-22.el6_3.x86_64.rpm x86_64/qpid-cpp-client-ssl-0.14-22.el6_3.x86_64.rpm x86_64/qpid-cpp-server-0.14-22.el6_3.i686.rpm x86_64/qpid-cpp-server-0.14-22.el6_3.x86_64.rpm x86_64/qpid-cpp-server-cluster-0.14-22.el6_3.x86_64.rpm x86_64/qpid-cpp-server-devel-0.14-22.el6_3.i686.rpm x86_64/qpid-cpp-server-devel-0.14-22.el6_3.x86_64.rpm x86_64/qpid-cpp-server-rdma-0.14-22.el6_3.x86_64.rpm x86_64/qpid-cpp-server-ssl-0.14-22.el6_3.x86_64.rpm x86_64/qpid-cpp-server-store-0.14-22.el6_3.x86_64.rpm x86_64/qpid-cpp-server-xml-0.14-22.el6_3.x86_64.rpm x86_64/rh-qpid-cpp-tests-0.14-22.el6_3.x86_64.rpm qpid-cpp component is part of rhel - epel can't update packaes in core os. This package must be blocked from epel6.
http://fedoraproject.org/wiki/EPEL specifies: EPEL packages are usually based on their Fedora counterparts and will never conflict with or replace packages in the base Enterprise Linux distributions. EPEL uses much of the same infrastructure as Fedora, including buildsystem, bugzilla instance, updates manager, mirror manager and more. Note the: "will never conflict wtih or replace packages in the base..."
Packages have been retired from epel.