Cannot find a suitable constructor

[chrismalan]

I have a custom util class called LessonView. It looks like this:

public class LessonView{
private String subject;
private int year, count;

public LessonView(){}

public LessonView(String subject, int year, int count){
 sets the variables via setters
}

public getters and setters
}

Then I have a query:

"select new LessonView(l.subject, l.year, count(*)) from Lesson l group by l.lesson, l.year order by l.lesson, l.year";

This throws exceptions telling me there is no suitable constructor. When the count(*) is removed everything works fine. I have used custom classes before with sum(whatever.k) and it worked fine. I have also tried count(l.id), same results.

Any idea how to fix this? The database is MySQL.

Thanks,