java.lang.NoSuchMethodException: userAuth.User.()

Question

I have the class with validation:

public class User {
    @Size(min=3, max=20, message=\"User name must be between 3 and 20 characters long\")
    @Pattern(r         


        

Answer 1

The message java.lang.NoSuchMethodException: userAuth.User.() means that someone tried to call a constructor without any parameters. Adding a default constructor should solve this problem:

public class User {

    public User() {

    }

    ..
}