here is my servlet and jsp code ArrayList<StatusTO> category =dao.displayBookings(); HttpSession ses=req.getSession(); ses.setAttribute("category",category); req.getRequestDispatcher("./newbookings.jsp").forward(req,res); booking.jsp <%@ page language="java" contentType="text/html; charset=ISO-8859-1" pageEncoding="ISO-8859-1"%> <%@ page import="java.util.ArrayList" %> <%@ page import="com.cluster.to.StatusTO" %> <%@ taglib uri="http://java.sun.com/jstl/core" prefix="c" %> <%@ taglib uri="http://java.sun.com/jstl/fmt" prefix="fmt" %> <%@ taglib uri="http://java.sun.com/jsp/jstl/functions" prefix="fn" %> <%@ taglib uri="http://java.sun.com/jstl/sql" prefix="sql" %> <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"> <meta name="keywords" content="css templates, fortune website, CSS, HTML" /> <meta name="description" content="Fortune Template is a free css template from templatemo.com" /> <link href="../css/userhome.css" rel="stylesheet" type="text/css" /> </head> <body> <% ArrayList <StatusTO> str1=new ArrayList <StatusTO>(); if (request.getSession().getAttribute("category") != null) { str1 = (ArrayList ) request.getSession().getAttribute("category"); out.println(str1); } %> i need to display arraylist values from servlet in jsp but i am getting this exception even i added all the jar files....help me to come out from this.... 0