Hi,
here is my jsp code:--
Please,check it
<%@ page import="java.util.Vector,java.io.ObjectOutputStream,java.io.ObjectInputStream"%>
<jsp:useBean id="chapterTreeDetail" class="ChapterTreeDetail" scope="page">
<%
ConnectionServlet conServlet=(ConnectionServlet)application.getAttribute(ConnectionServlet.KEY);
chapterTreeDetail.createConnection(conServlet);
%>
</jsp:useBean>
<%
System.out.println("----Inside treeindex-----");
String chapterId = "javaguymaca";
%>
<jsp:setProperty name="chapterTreeDetail" property="chapterId" value="<%= chapterId %>" />
<%
Vector v=chapterTreeDetail.getVector();
System.out.println("Vector in jsp="+v);
ObjectOutputStream os=new ObjectOutputStream(response.getOutputStream());
os.writeObject(v);
os.flush();
os.close();
%>