Please check first the agent is supported.
These packages are required for the CCA Agent to run:
compat-libstdc++-33-3.2.3-39.el6.i686
compat-libstdc++-33-3.2.3-39.el6.x86_64
libstdc++-4.4.7-3.el6.x86_64
libstdc++-4.4.7-3.el6.i686
You should find the agent installs after these are installed.