How can I map multiple values from select tag in Struts 2?

Question

I have a multi-selection combo in my Struts2 web application. I use the ui-multisection component. When I select and submit values \"1\" and \"2\"

Answer 1

Try changing

private List listIdSelected = new ArrayList();

to

private List listIdSelected = new ArrayList();

since your Getters and Setters are like that.