Why do you need to redefine serialVersionUID if you extends a class which implements Serializable "down the line"?
What is a serialVersionUID and why should I use it?
serialversionuid is static and final but then why is it serializable Add a serialVersionUID to a serializable class that is already in use What is the difference of declaring private static final long serialVersionUID = xxxxxxxxL in classes that implements Serializable Why serialVersionUID is of type long for Serializable classes How to generate serialVersionUID for Serializable? serialVersionUID in Java What does it mean: The serializable class does not declare a static final serialVersionUID field? Where do I change the setting in Eclipse so that it would generate serialVersionUID for Serializable classes? If I change the base class that a Java Exception class extends, do I need to update the serialVersionUID value? When do I have to change the serialVersionUID? Java Serializable: Importance of serialVersionUID? Is it possible to get serialVersionUID of the java class in runtime SerialVersionUID for Serializable java serialVersionUID not works as I needed Understanding this warning: The serializable class does not declare a static final serialVersionUID Android: what happens if I add serialVersionUID to old serializable objects? The serializable class X does not declare a static final serialVersionUID field of type long serialVersionUID Exception Does it matter what I choose for serialVersionUID when extending Serializable classes in Java? The serializable class Employee does not declare a static final serialVersionUID field of type long Java: Should serializable inner & anonymous classes have SerialVersionUID? Why some APIs implemented Serializable interface but did not declare serialVersionUID? Why SerialVersionUID is static Find which class in which jar has a given serialVersionUID why user defined serialVersionUID is not used while desialization? value for serialVersionUID does it matter? Does A Serializable Class Have to Have a Unique SerialVersionUID? serialversionUID does not match serialVersionUID for serizlizable class