Java - connexions playframework mysql (données n'additionne pas dans la table) - Stack Overflow

I am new to the Play framework.I connected Play with mysql.But the data I am submitting through the form I have created is not adding in the database table.I am getting an exception

[PersistenceException: java.sql.SQLException: Connection is closed!]

The code I used is

public static Result addBar(){
    Bar bar= Form.form(Bar.class).bindFromRequest().get();
    bar.save();
    return redirect(routes.Application.index());
}

I am new to the Play framework.I connected Play with mysql.But the data I am submitting through the form I have created is not adding in the database table.I am getting an exception

[PersistenceException: java.sql.SQLException: Connection is closed!]

The code I used is

public static Result addBar(){
    Bar bar= Form.form(Bar.class).bindFromRequest().get();
    bar.save();
    return redirect(routes.Application.index());
}

Source