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Can't connect to X11 window server using ':0.0' as the value of the DISPLAY variable.
via oracle.com by Unknown author, 1 year ago
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Can't connect to X11 window server using '127.0.0.8:0.0' as the value of the DISPLAY variable.
java.lang.InternalError: Can't connect to X11 window server using 'localhost:12.0' 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.(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 java.awt.Window.init(Window.java:270)	at java.awt.Window.(Window.java:318)	at java.awt.Frame.(Frame.java:419)	at oracle.ewt.popup.PopupFrame.(Unknown Source)	at oracle.ewt.lwAWT.BufferedFrame.(Unknown Source)	at oracle.sysman.oio.oioc.OiocOneClickInstaller.(OiocOneClickInstaller.java:328)	at oracle.sysman.oio.oioc.OiocOneClickInstaller.(OiocOneClickInstaller.java:168)