Hello:
	I'm new to this list, so forgive me is the posting is not
appropiate to the chapter.

	I'm having a problem trying to serialize a class which
basically has:

private HashMap a= new HashMap();
private HashMap b= new HashMap();
a few private int variables;

public void addtoA(Integer, Float);
public void addtoB(Integer, Float);

	The constructor leaves a and b untouched, so serializing &
deserializing an 'empty' instance works fine.

	When I call addtoA or addtoB, then serialize, and then try
to deserialize I get:

java.io.InvalidClassException: java.lang.Integer; Local class not
compatible: stream classdesc serialVersionUID=1360826667802527544
local class serialVersionUID=1360826667806852920

	This is on the same program, of course using the same
version of the class (using JDK 1.3.1_02 on W2k).

	Any help or hint would be greatly appretiated. Thanks in
advance.



Fernando P. Schapachnik
fschapachnik@v...