I am getting the following error when i tried to install the oralce 9i RHEL 5 could anyone help me for this

Initializing Java Virtual Machine from /tmp/OraInstall2009-11-01_04-21-55PM/jre/bin/java. Please wait...
Exception in thread "main" java.lang.InternalError: Can't connect to X11 window server using 'server1:0.0' as the value of the DISPLAY variable.
at sun.awt.X11GraphicsEnvironment.initDisplay(Native Method)
at sun.awt.X11GraphicsEnvironment.<clinit>(X11GraphicsEnvironment.java:59)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:120)
at java.awt.GraphicsEnvironment.getLocalGraphicsEnvironment(GraphicsEnvironment.java:58)
at java.awt.Window.<init>(Window.java:188)
at java.awt.Frame.<init>(Frame.java:315)
at java.awt.Frame.<init>(Frame.java:262)
at oracle.sysman.oii.oiic.OiicInstaller.main(OiicInstaller.java:593)

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