This attribute checks whether the JSP page is in a particular HTTP session or not. It can have true or false values. The default value is true.
Syntax:
<%@ page session="value"%>
Example:
welcome.jsp
<%@ page session="true" %> <html> <head> <title>session page directive example</title> </head> <body> <h3>Hello this is a session page directive example.</h3> <% out.print("Session id:" + session.getId()); %> </body> </html>
web.xml
<web-app> <welcome-file-list> <welcome-file>welcome.jsp</welcome-file> </welcome-file-list> </web-app>