The Java Management Extensions scandir Example (included inside the JDK bundle) contains invalid references to use case example

How to reproduce:
1)Install jdk 6u21 from java.sun.com
2)Locate the Java JMX scandir example doc:
<JDK_HOME>/sample/jmx/jmx-scandir/index.html

All these references in the page can not be found:
DirectoryScannerMXBean, ScanManagerMXBean, ScanDirConfigMXBean, ResultLogManagerMXBean, ScanDirAgen, ScanManagerMXBean.SCAN_MANAGER_NAME