This method is intended to process an unhandled "page" level exception
by redirecting the exception to either the specified error page for this
JSP, or if none was specified, to perform some implementation dependent
The initialize emthod is called to initialize an uninitialized PageContext
so that it may be used by a JSP Implementation class to service an
incoming request and response wihtin it's _jspService() method.
The JspFactory is an abstract class that defines a number of factory
methods available to a JSP page at runtime for the purposes of creating
instances of various interfaces and classes used to support the JSP
This abstract class emulates some of the functionality found in the
java.io.BufferedWriter and java.io.PrintWriter classes,
however it differs in that it throws java.io.IOException from the print
methods with PrintWriter does not.