rcxnet:/home/rcxnet/www/Whist_Online_RC1# java -jar Whist-Online.jar
Exception in thread "main" java.lang.InternalError: Can't connect to X11 window server using ':0' as the value of the DISPLAY variable.
        at sun.awt.X11GraphicsEnvironment.initDisplay(Native Method)
        at sun.awt.X11GraphicsEnvironment.access$000(X11GraphicsEnvironment.java:53)
        at sun.awt.X11GraphicsEnvironment$1.run(X11GraphicsEnvironment.java:142)
        at java.security.AccessController.doPrivileged(Native Method)
        at sun.awt.X11GraphicsEnvironment.<clinit>(X11GraphicsEnvironment.java:131)
        at java.lang.Class.forName0(Native Method)
        at java.lang.Class.forName(Class.java:164)
        at java.awt.GraphicsEnvironment.getLocalGraphicsEnvironment(GraphicsEnvironment.java:68)
        at sun.awt.X11.XToolkit.<clinit>(XToolkit.java:96)
        at java.lang.Class.forName0(Native Method)
        at java.lang.Class.forName(Class.java:164)
        at java.awt.Toolkit$2.run(Toolkit.java:821)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.awt.Toolkit.getDefaultToolkit(Toolkit.java:804)
        at javax.swing.UIManager.initialize(UIManager.java:1262)
        at javax.swing.UIManager.maybeInitialize(UIManager.java:1245)
        at javax.swing.UIManager.getUI(UIManager.java:851)
        at javax.swing.text.JTextComponent.updateUI(JTextComponent.java:308)
        at javax.swing.text.JTextComponent.<init>(JTextComponent.java:282)
        at javax.swing.JTextArea.<init>(JTextArea.java:182)
        at javax.swing.JTextArea.<init>(JTextArea.java:118)
        at com.truyens.whist.client.irc.WhistBot.<init>(WhistBot.java:81)
        at com.truyens.whist.client.irc.IrcController.<init>(IrcController.java:30)
        at com.truyens.whist.client.Client.<init>(Client.java:88)
        at com.truyens.whist.client.Client.main(Client.java:117)
rcxnet:/home/rcxnet/www/Whist_Online_RC1#