No X11 DISPLAY variable was set, but this program performed an operation which requires it.

java.awt.HeadlessException:

No X11 DISPLAY variable was set, but this program performed an operation which requires it.

        at java.awt.GraphicsEnvironment.checkHeadless(Unknown Source)

        at java.awt.Window.<init>(Unknown Source)

        at java.awt.Frame.<init>(Unknown Source)

        at java.awt.Frame.<init>(Unknown Source)

        at javax.swing.JFrame.<init>(Unknown Source)

        at com.installshield.wizard.swing.SwingWizardUI.createFrame(SwingWizardUI.java:371)

        at com.installshield.wizard.awt.AWTWizardUI.initialize(AWTWizardUI.java:599)

        at com.installshield.wizard.swing.SwingWizardUI.initialize(SwingWizardUI.java:245)

        at com.installshield.wizard.StandardWizardListener.wizardInitializing(StandardWizardListener.java:25)

        at com.installshield.wizard.Wizard$WizardListenerInitializer.run(Wizard.java:1614)

        at java.lang.Thread.run(Unknown Source)

The installer is unable to run in graphical mode. Try running the installer with the -console or -silent flag.

(Aug 6, 2015 11:22:32 PM), Install, com.installshield.wizard.StandardWizardListener, err, could not initialize interface swing

Wizard.getExitCode(): called after WizardServices is shutdown.

Wizard.getExitCode(): called after WizardServices is shutdown.