Thanks Emmanuel!

In that case I'd rather stick to java 8 (as 6 has some vulnerabilities) and will try to run the web start or the .jar

Thanks!
Alex

Hi there

I've got java installed but on startup Sweet Home 3D is unable to locate it... /Applications/SweetHome/Sweet\ Home\ 3D.app/Contents/MacOS/SweetHome3D ; exit;
No Java runtime present, requesting install.
logout

this is the java version I've got installed:
java -version
java version "1.8.0 ...