Ubuntu 17.04 Spark not starting

Hi All.

I had Spark working without problems but now is not loading anymore.

When I type ./Spark or "gksudo -k -u root Spark" I have nothing on Terminal

I can't troubleshoot what is happening.

Some infos...

xxx@VirtualBuntu:~/Downloads/Spark$ java -version

java version "1.8.0_144"

Java(TM) SE Runtime Environment (build 1.8.0_144-b01)

Java HotSpot(TM) 64-Bit Server VM (build 25.144-b01, mixed mode)