ib/jaxp.properties" in the JRE directory.
 This configuration file is in standard <code>java.util.Properties
 </code> format and contains the fully qualified name of the
 implementation class with the key being the system property defined
 above.
 
 The jaxp.properties file is read only once by the JAXP implementation
 and it's values are then cached for future use.  If the file does not exist
 when the first attempt is made to read from it, no further attempts are
 made to check for its existence.  It is n