Hello.
I'm trying to make changes to my model class. I have a class called
Product that has a field category, which is a String.
public class Product {
...
private String category;
...
}
Now, I've decided that a Product can have different categories. I made
the field a List instead o
Are you using the development server? The easiest thing to do here is to
blow away your old datastore. App Engine will recreate your schema. I
believe if you just blow away your output directory and rebuild, this should
work. Look for an output directory under WEB-INF/appengine-generated. You
shoul
