SUSE11.1安装oracle 10g报错。Exception in thread


All installer requirements met.Preparing to launch Oracle Universal Installer from /tmp/OraInstall2009-08-13_09-16-13PM. Please wait ...oracle@linux-9rma:/home/anna/Documents/database> No protocol specified                                           
Exception in thread "main" java.lang.InternalError: Can't connect to X11 window server using ':0.0' as the value of the DISPLAY variable.                                                                                 
        at sun.awt.X11GraphicsEnvironment.initDisplay(Native Method)                                         
        at sun.awt.X11GraphicsEnvironment.<clinit>(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.<init>(Unknown Source)                                                            
        at java.awt.Frame.<init>(Unknown Source)                                                             
        at oracle.ewt.popup.PopupFrame.<init>(Unknown Source)                                                
        at oracle.ewt.lwAWT.BufferedFrame.<init>(Unknown Source)                                             
        at oracle.sysman.oio.oioc.OiocOneClickInstaller.<init>(OiocOneClickInstaller.java:37               
        at oracle.sysman.oio.oioc.OiocOneClickInstaller.main(OiocOneClickInstaller.java:2看到论坛上帖子有关于此问题的描述，我执行xhost +，但结果是No protocol specified
                                                                                       xhost:  unable to open display ":0.0"这个问题怎么解决呢，我是新手，望高人指点一下。最好可以说的清楚些哦，