root@kali:~# dirbuster&
[1] 5952
root@kali:~# No protocol specified
Exception in thread "main" java.awt.AWTError: Can't connect to X11 window server using ':0' as the value of the DISPLAY variable.
at java.desktop/sun.awt.X11GraphicsEnvironment.initDisplay(Native Method)
at java.desktop/sun.awt.X11GraphicsEnvironment$1.run(X11GraphicsEn vironment.java:102)
at java.base/java.security.AccessController.doPrivileged(Native Method)
at java.desktop/sun.awt.X11GraphicsEnvironment.<clinit>(X11Graphic sEnvironment.java:61)
at java.base/java.lang.Class.forName0(Native Method)
at java.base/java.lang.Class.forName(Class.java:315)
at java.desktop/java.awt.GraphicsEnvironment$LocalGE.createGE(Grap hicsEnvironment.java:101)
at java.desktop/java.awt.GraphicsEnvironment$LocalGE.<clinit>(Grap hicsEnvironment.java:83)
at java.desktop/java.awt.GraphicsEnvironment.getLocalGraphicsEnvir onment(GraphicsEnvironment.java:129)
at java.desktop/sun.awt.X11.XToolkit.<clinit>(XToolkit.java:232)
at java.base/java.lang.Class.forName0(Native Method)
at java.base/java.lang.Class.forName(Class.java:315)
at java.desktop/java.awt.Toolkit$2.run(Toolkit.java:588)
at java.desktop/java.awt.Toolkit$2.run(Toolkit.java:583)
at java.base/java.security.AccessController.doPrivileged(Native Method)
at java.desktop/java.awt.Toolkit.getDefaultToolkit(Toolkit.java:58 2)
at java.desktop/java.awt.Toolkit.getEventQueue(Toolkit.java:1498)
at java.desktop/java.awt.EventQueue.invokeLater(EventQueue.java:13 12)
at com.sittinglittleduck.DirBuster.Start.main(Start.j ava:58)
root@kali:~#