libXtst.so.6: cannot open shared object file:

Preparing to launch Oracle Universal Installer from /tmp/OraInstall2013-06-03_09-08-02PM. Please wait ...[oracle@vcs1 database]$ Exception in thread "main" java.lang.UnsatisfiedLinkError: /tmp/OraInstall2013-06-03_09-08-02PM/jre/1.4.2/lib/i386/libawt.so: libXtst.so.6: cannot open shared object file: No such file or directory
at java.lang.ClassLoader$NativeLibrary.load(Native Method)
at java.lang.ClassLoader.loadLibrary0(Unknown Source)
at java.lang.ClassLoader.loadLibrary(Unknown Source)
at java.lang.Runtime.loadLibrary0(Unknown Source)
at java.lang.System.loadLibrary(Unknown Source)
at sun.security.action.LoadLibraryAction.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at sun.awt.NativeLibLoader.loadLibraries(Unknown Source)
at sun.awt.DebugHelper.(Unknown Source)
at java.awt.Component.(Unknown Source)

rpm -qa | grep xorg-x11-libs