java.lang.InternalError: Can't connect to X11 window server using ':0' as the value of the DISPLAY variable.

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Solutions on the web

via Ask Ubuntu by jenzinas
, 1 year ago
Can't connect to X11 window server using ':0' as the value of the DISPLAY variable.
via askubuntu.com by Unknown author, 2 years ago
Can't connect to X11 window server using ':0' as the value of the DISPLAY variable.
via GitHub by Omertron
, 1 year ago
Can't connect to X11 window server using 'localhost:10.0' as the value of the DISPLAY variable.
via fromdev.com by Unknown author, 1 year ago
Can't connect to X11 window server using 'localhost:10.0' as the value of the DISPLAY variable.
via Google Groups by Sander, 2 years ago
Can't connect to X11 window server using '' as the value of the DISPLAY variable.
via Oracle Community by K.Bharathithasan, 1 year ago
Can't connect to X11 window server using ':2' as the value of the DISPLAY variable.
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$100(X11GraphicsEnvironment.java:52)
at sun.awt.X11GraphicsEnvironmNent$1.run(X11GraphicsEnvironment.java:155)
at java.security.AccessController.doPrivileged(Native Method)
at sun.awt.X11GraphicsEnvironment.(X11GraphicsEnvironment.java:131)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:169)
at sun.awt.X11.XToolkit.(XToolkit.java:89)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:169)
at java.awt.Toolkit$2.run(Toolkit.java:834)
at java.security.AccessController.doPrivileged(Native Method)
at java.awt.Toolkit.getDefaultToolkit(Toolkit.java:826)
at java.awt.Toolkit.getEventQueue(Toolkit.java:1689)
at java.awt.EventQueue.invokeLater(EventQueue.java:1032)
at javax.swing.SwingUtilities.invokeLater(SwingUtilities.java:1267)
at codetests.DialogTest.main(DialogTest.java:72)

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