oracle8.1.7 for rh8安装的问题

oracle8.1.7 for rh8安装的问题

装了rh8后在线做了update,然后装了java支持软件包
运行
[oracle@hider cdrom]$ ./runInstaller
[oracle@hider cdrom]$ Initializing Java Virtual Machine from ../stage/Components/oracle.swd.jre/1.1.8/1/DataFiles/Expanded/linux/bin/jre. Please wait...
Xlib: connection to ":0.0" refused by server
Xlib: No protocol specified

java.lang.InternalError: Can't connect to X11 window server using ':0' as the value of the DISPLAY variable.
        at sun.awt.motif.MToolkit.<init>(MToolkit.java:63)
        at java.awt.Toolkit.getDefaultToolkit(Toolkit.java:394)
        at oracle.sysman.oii.oiif.oiifm.OiifmSplashScreen.getImage(OiifmSplashScreen.java:67)
        at oracle.sysman.oii.oiif.oiifm.OiifmSplashScreen.<init>(OiifmSplashScreen.java:45)
        at oracle.sysman.oii.oiic.OiicInstaller.main(OiicInstaller.java:418)
产生以上错误,是什么原因,请指教!谢谢!!      
搞好了没有,介绍一下经验啊!