src/main/java/org/jboss/util/property/jmx/SystemPropertyClassValue.java
public void create()
   {
      Throwable error = setSystemPropertyClassValue(property, className);
      if (error != null)
         log.trace("Error loading class " + className + " property " + property + " not set.", error);
   }
public void create()
   {
      Throwable error = setSystemPropertyClassValue(property, className);
      if (error != null)
         log.trace("Error loading class " + className + " property " + property + " not set.", error);
   }
JBoss lifecycle

@jmx.managed-operation