PL/SQL profiler, Exception in thread "main" java.lang.NoClassDefFoundError: riw

 Exception in thread "main" java.lang.NoClassDefFoundError: riw

I can never run this utility
%ORACLE_HOME%/plsql/demo/profview.jar

C:\oracle\de> set CLASSPATH
CLASSPATH=C:\oracle\de;C:\oracle\;c:\oracle\jdbc\lib\classes111.zip;c:\oracle\jli
b\ewt3.jar;c:\oracle\jlib\share.jar;C:\oracle\jlib\swingall-1_1_1.jar

C:\oracle\de> c:\oracle\jre\1.4.2\bin\java.exe riw
Exception in thread "main" java.lang.NoClassDefFoundError: oracle/de/ui/runinformation/ProfileEventListener
at java.lang.ClassLoader.defineClass0(Native Method)
at java.lang.ClassLoader.defineClass(Unknown Source)
at java.security.SecureClassLoader.defineClass(Unknown Source)
at java.net.URLClassLoader.defineClass(Unknown Source)
at java.net.URLClassLoader.access$100(Unknown Source)
at java.net.URLClassLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClassInternal(Unknown Source)

can someone kindly show the way to do it?