Under OSX, Chrome (and Safari apparently) have a warning even though our application is all signed by a public signing authority.
But instead than starting with finder, you can create a shortcut from the "Java Control Panel" .
Just open the "Java Control panel" > "General" > "View", select your XStudio in the application list and click on "Install shortcuts"
Then you can have XStudio in your "task bar / quick start toolbar":
No warning anymore when you start XStudio/