How is session managed in Java servlet?

Session Tracking is a way to maintain state (data) of an user. It is also known as session management in servlet. Http protocol is a stateless so we need to maintain state using session tracking techniques. Each time user requests to the server, server treats the request as the new request.

How will you set the session in JSP?

JSP Session

  1. #Setting Attributes in Session: With the help of setAttribute(String name, Object value) Method we can set our data in session.
  2. #Getting Attributes from Session: With the help of getAttribute(String name) Method we can get our data from session.
  3. Example:Let’s get understand it by an example.
  4. #index.jsp.

What are the ways of session management?

There are four main ways to manage Session in Java Web application written using Servlet and JSP.

  1. URL rewriting.
  2. Cookies.
  3. Hidden Form fields.
  4. HTTPS and SSL.

What is session Tracking in JSP?

Session tracking is a mechanism that is used to maintain state about a series of requests from the same user(requests originating from the same browser) across some period of time. A session id is a unique token number assigned to a specific user for the duration of that user’s session.

Where are session attributes stored?

For completed session searches, session attributes are stored in the [CanisterSummary] section of the request, where they are automatically indexed.

What is session scope in JSP?

session. ‘session’ scope means, the JSP object is accessible from pages that belong to the same session from where it was created. The JSP object that is created using the session scope is bound to the session object. Implicit object session has the ‘session’ scope.

How can we getSession value from one servlet to another servlet?

In this example, we are setting the attribute in the session scope in one servlet and getting that value from the session scope in another servlet. To set the attribute in the session scope, we have used the setAttribute() method of HttpSession interface and to get the attribute, we have used the getAttribute method.

What are different methods of session management in servlets?

Some of the common ways of session management in servlets are: User Authentication. HTML Hidden Field. Cookies.

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