运行./runInstaller之后的WARNING！求助！

$ ./runInstaller
**************************************************************************
******
Your platform requires the root user to perform certain pre-installation
OS preparation.  The root user should run the shell script 'rootpre.sh' be
fore
you proceed with Oracle installation.  rootpre.sh can be found at the top
level
of the CD or the stage area.
Answer 'y' if root has run 'rootpre.sh' so you can proceed with Oracle
installation.
Answer 'n' to abort installation and then ask root to run 'rootpre.sh'.
**************************************************************************
******
Has 'rootpre.sh' been run by root? [y/n] (n)
y
Starting Oracle Universal Installer...
No pre-requisite checks found in oraparam.ini, no system pre-requisite checks will be executed.
Preparing to launch Oracle Universal Installer from /tmp/OraInstall2006-10-11_03-45-07PM. Please wait ...$ Oct 11, 2006 2:45:24 PM java.util.prefs.FileSystemPreferences$2 run
WARNING: Couldn't create user preferences directory. User preferences are unusable.
Oct 11, 2006 2:45:24 PM java.util.prefs.FileSystemPreferences$2 run
WARNING: java.io.IOException: A file or directory in the path name does not exist.
Oct 11, 2006 2:45:27 PM java.util.prefs.FileSystemPreferences$3 run
INFO: Created system preferences directory in java.home.
Oct 11, 2006 2:45:56 PM java.util.prefs.FileSystemPreferences checkLockFile0ErrorCode
WARNING: Could not lock User prefs. Unix error code 2.
Oct 11, 2006 2:46:26 PM java.util.prefs.FileSystemPreferences checkLockFile0ErrorCode
WARNING: Could not lock User prefs. Unix error code 2.
Oct 11, 2006 2:46:56 PM java.util.prefs.FileSystemPreferences checkLockFile0ErrorCode
WARNING: Could not lock User prefs. Unix error code 2.
Oct 11, 2006 2:47:26 PM java.util.prefs.FileSystemPreferences checkLockFile0ErrorCode
可以看到安装界面，但是后台的命令台不断WARNING！请问大侠门知道怎么一回事吗？在线等回复！谢谢！

rootpre.sh运行了吗 root用户

问题已经解决!原因是我的oracle安装目录没有赋权限给他!赋权限之后没有报错了 !!