[EDIT] The last version of MAMP with the last version of OSX Yosemite works fine.
I installed the beta of Yosemite two month ago, no problem with MAMP. With the last
I am also running into the same problem with MAMP. Absolutely clueless but with the other responses pointing toward a recent update in OSX I can believe that the problem stems from here. Uninstalled and reinstalled MAMP and MySQL is the only operation able to run...Apache still hangs. Will be downloading AMPPS to see if this corrects things.