This is an undeclared (Runtime) exception to be thrown by the
PropertiesManager when a property is requested but cannot be
parsed and returned as the desired type.
The channel's state including the static data, runtime data,
portal event, and a channelData map which is analagous to the
session for a servlet - the channel can stash objects in it.
The name of the optional ChannelStaticData parameter the value of which
will be a String containing a whitespace-delimited list of explicitly
blocked URI prefixes for URIs from which the configured CWebProxy
instance will not obtain XML and XSLT.
Uses an HttpServletRequest object and a String array that
contains the names of parameters to be ignored to construct
a filtered name-value pair string.