Here is the answer https://community.oracle.com/thread/2475515?tstart=0 Quoting: Don, the error you are seeing is not fatal and JavaFX should be continuing to run. If you are not seeing anything, I wonder if maybe you are using a remote X connection or VNC. JavaFX writes directly to the display fram...

Hi All, I am facing a weird situation. When I try to run a very simple 'hello world' JavaFX 8 application, nothing seems to happen. First I just run the 'java HelloWorld' command, for the code: import javafx.application.Application; import javafx.event.ActionEvent; import javafx.event.EventHandler; ...