Error while installing RCU on Oracle RedHat Linux 64 bit

Error 

Initializing logger using the following location :/tmp/logdir.2012-08-20_02-33/rcu.log

Exception in thread "main" java.lang.UnsatisfiedLinkError: /home/anil/dump/rcu/rcuHome/jdk/jre/lib/i386/xawt/libmawt.so: libXext.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(ClassLoader.java:1806)

at java.lang.ClassLoader.loadLibrary(ClassLoader.java:1702)

at java.lang.Runtime.load0(Runtime.java:770)

at java.lang.System.load(System.java:1003)

at java.lang.ClassLoader$NativeLibrary.load(Native Method)

at java.lang.ClassLoader.loadLibrary0(ClassLoader.java:1806)

at java.lang.ClassLoader.loadLibrary(ClassLoader.java:1723)

at java.lang.Runtime.loadLibrary0(Runtime.java:823)

at java.lang.System.loadLibrary(System.java:1028)

at sun.security.action.LoadLibraryAction.run(LoadLibraryAction.java:50)

at java.security.AccessController.doPrivileged(Native Method)

at java.awt.Toolkit.loadLibraries(Toolkit.java:1605)

at java.awt.Toolkit.(Toolkit.java:1627)

at com.jgoodies.looks.LookUtils.isLowResolution(LookUtils.java:484)

at com.jgoodies.looks.LookUtils.(LookUtils.java:249)

at com.jgoodies.looks.plastic.PlasticLookAndFeel.(PlasticLookAndFeel.java:135)

at oracle.sysman.assistants.rcu.ui.InteractiveRCUModel.(InteractiveRCUModel.java:117)

at oracle.sysman.assistants.rcu.Rcu.execute(Rcu.java:292)

at oracle.sysman.assistants.rcu.Rcu.main(Rcu.java:344)

Fix

Install the following libraries

libXext-1.1-3.el6.i686.rpm

libX11-1.3-2.el6.i686.rpm

libxcb-1.5-1.el6.i686.rpm

libXtst-1.0.99.2-3.el6.i686.rpm

libXi-1.3-3.el6.i686.rpm

libXau-1.0.5-1.el6.i686.rpm