Wednesday, May 25, 2011

Issue of DISPLAY setting in Oracle Installation

Errors got:-

Preparing to launch Oracle Universal Installer from /tmp/OraInstall2011-05-25_02-29-56AM. Please wait ...[oracle@localhost database]$ Exception in thread "main" java.lang.InternalError: Can't connect to X11 window server using '' as the value of the DISPLAY variable.
        at sun.awt.X11GraphicsEnvironment.initDisplay(Native Method)
        at sun.awt.X11GraphicsEnvironment.(Unknown Source)
        at java.lang.Class.forName0(Native Method)
        at java.lang.Class.forName(Unknown Source)
        at java.awt.GraphicsEnvironment.getLocalGraphicsEnvironment(Unknown Source)
        at java.awt.Window.init(Unknown Source)
        at java.awt.Window.(Unknown Source)
        at java.awt.Frame.(Unknown Source)
        at oracle.ewt.popup.PopupFrame.(Unknown Source)
        at oracle.ewt.lwAWT.BufferedFrame.(Unknown Source)
        at oracle.sysman.oio.oioc.OiocOneClickInstaller.(
        at oracle.sysman.oio.oioc.OiocOneClickInstaller.main(

[root@localhost bin]# xhost +
xhost:  unable to open display ""


While working on the graphical console, then you must set DISPLAY as follows:

# export DISPLAY = xx.xx.xx.xx:0.0

or just for console based where OS supported it

login as root

[root@localhost database]# xhost +
access control disabled, clients can connect from any host // This will allow any one can connect
[root@localhost database]#
Now login as oracle user
# export DISPLAY = :0.0

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