Java:Why http session is not destroyed when tab or browser is closed?

Question

I have the following implementation of HttpSessionlistener

public class SessionListener implements HttpSessionAttributeListener, HttpSessionListener {


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Answer 1

there is some hacks for knows following code for destroy session when user closes browser

client side:

server side: create request mapping for "/logout"

public void doGet(HttpServletRequest request, HttpServletResponse) {
  request.getSession().invalidate();
  System.out.println('destroy from logout on unload browser');
}

Following code is optional

use session listener when want to know when session destroyed

//    in class

import javax.servlet.*;
import javax.servlet.http.*;
public class SesListener implements HttpSessionListener {
  public void sessionCreated(HttpSessionEvent se) {
   System.out.println("Session created...");
  }

  public void sessionDestroyed(HttpSessionEvent se) {
    System.out.println("Session destroyed...");
  }
}

//-----------------------------------------

// in web.xml

   SesListener