The Headless exception indicates that a graphical display is not available. Are you using the GNOME (Fedora workstation default) desktop?
Randall
On Oct 11, 2016, at 4:58 PM, Craig Goodyear cjhs22a@... [jmriusers] <jmriusers@...> wrote:
I have just install JMRI 4.4 on another computer. It is running openjdk
1.8.0_102. The computer has Fedora 24, running kernel
4.7.6-200.fc24.x86_64. A USB wireless mouse and USB keyboard are
connected. It has the monitor connected with a VGA cable to a Nvidia
GeForce 8400 video card using the Nouveau driver.
I am unable to get JMRI to start. I get the following in the session log:
2016-10-11 15:10:25,761 ptionhandler.UncaughtExceptionHandler ERROR -
Uncaught Exception caught by
jmri.util.exceptionhandler.UncaughtExceptionHandler [main]
java.awt.HeadlessException
at java.awt.GraphicsEnvironment.checkHeadless(GraphicsEnvironment.java:204)
at java.awt.Window.<init>(Window.java:536)
at java.awt.Frame.<init>(Frame.java:420)
at javax.swing.JFrame.<init>(JFrame.java:233)
at apps.SplashWindow.<init>(SplashWindow.java:26)
at apps.Apps.splash(Apps.java:1073)
at apps.Apps.splash(Apps.java:1025)
at apps.PanelPro.PanelPro.main(PanelPro.java:92)
What could be causing this?
Craig
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