Yes, you need to recompile the client. When parsing the XML, the SAX will look for the corresponding field to store the value and will not find it, then it will throw the Exception. The XML may be versatile and easy to modify, but the classes that it is translated into are not.
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.