what does that slovak text translate to in english?
open a terminal, go to
there should be a 4.1.0 directory in there and a product.conf file in there
Open the conf file and make sure the jdk home is pointing to that java 8 u74 you just put down
Now you are you in your home directory
look for a .oraclesqldevoperdatamodeler directory
then look for the conf file
You could use finder, but you'll need to make sure it peaks into hidden (.) directories
hmm, looks like sqldev isn't even getting to the part where it can write the user preferences directory
if you run
what do you see?