I'm seeing that the Host Adapter plugin for Illustrator CC does not work for Illustrator CC 2014. I've checked that the AIHostAdapater.aip file is installed in the correct AI CC 2014 folder. But calling AIEventAdapater.getInstance().pingPlugIn() always results in "pingTimedOut".
Is there a new AIHostAdapater plugin forthcoming for Illustrator CC 2014? Or is it available somewhere to download? It is not available as an update through Extension Builder.
I've finally created my own custom host adapter. Nothing particularly complex, just mixed a couple of sdk samples. Contact me in pm if it's still required
You can download the CC2014 host adapter plugins for Illustrator from the following URL
Worked for me(verified of 64 bit installation of Illustrator on WIN and MAC), hope it works for you as well