I am using Java EE. I have some problems with session. I have created Listener class and it looks like this:
package RandomPackage;
import javax.servlet.annotation.WebListener;
import javax.servlet.http.HttpSessionEvent;
import javax.servlet.http.HttpSessionListener;
/**
* Application Lifecycle Listener implementation class Listener
*
*/
@WebListener
public class Listener implements HttpSessionListener {
/**
* Default constructor.
*/
public Listener() {
// TODO Auto-generated constructor stub
}
/**
* @see HttpSessionListener#sessionCreated(HttpSessionEvent)
*/
public void sessionCreated(HttpSessionEvent arg0) {
System.out.print("Session Created");
arg0.getSession().setAttribute("Name", "Geoge");
}
/**
* @see HttpSessionListener#sessionDestroyed(HttpSessionEvent)
*/
public void sessionDestroyed(HttpSessionEvent arg0) {
// TODO Auto-generated method stub
}
}
Now in my HTML file I have the following code:
<!DOCTYPE html>
<html>
<head>
<meta charset="ISO-8859-1">
<title>Insert title here</title>
</head>
<body>
<h1> Hello </h1>
<form action="SessionTest" method="POST">
<input type="submit">
</form>
</body>
</html>
And my SessionTest servlet looks like this:
package RandomPackage;
import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
@WebServlet("/SessionTest")
public class SessionTest extends HttpServlet {
private static final long serialVersionUID = 1L;
/**
* @see HttpServlet#HttpServlet()
*/
public SessionTest() {
super();
// TODO Auto-generated constructor stub
}
/**
* @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
*/
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
// TODO Auto-generated method stub
response.getWriter().append("Served at: ").append(request.getContextPath());
}
/**
* @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
*/
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
System.out.println("String is " + (String)request.getSession().getAttribute("Name"));
}
}
It should have the output: "String is George" but instead it never prints "Session Created" and the output is "String is null"
Any suggestions?
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