Thanks !     java -Djdk.jmx.mbeans.allowNonPublic=true  -jar aem-author-p4502.jar           seems to do the trick.  

Is this a Mac OS X "feature" with the 64 bit newer JDKs ?    The jdk1.8.0_31.jdk  still worked but 40 or 45 seem to have problems.     -thanks, benny/Library/Java/JavaVirtualMachines/jdk1.8.0_40.jdk/Contents/Home/    tail -100 crx-quickstart/logs/stderr.log Low-memory action set to forkUsing 64bit V...