How a servlet redirects a response to another resource Why?

How a servlet redirects a response to another resource Why?

sendRedirect() method redirects the response to another resource, inside or outside the server. It makes the client/browser to create a new request to get to the resource. It sends a temporary redirect response to the client using the specified redirect location URL.

How do you redirect in Java?

Technically, the server sends a HTTP status code 302 (Moved Temporarily) to the client. Then the client performs URL redirection to the specified location. The location in the sendRedirect() method can be a relative path or a completely different URL in absolute path.

What is difference between ServletResponse sendRedirect () and RequestDispatcher forward () method?

A RequestDispatcher forward() is used to forward the same request to another resource whereas ServletResponse sendRedirect() is a two step process. In sendRedirect(), web application returns the response to client with status code 302 (redirect) with URL to send the request.

Which method is used to redirect response to another resource?

sendRedirect() method
The sendRedirect() method of HttpServletResponse interface can be used to redirect response to another resource, it may be servlet, jsp or html file. It accepts relative as well as absolute URL. It works at client side because it uses the url bar of the browser to make another request.

How do I forward a servlet?

2 Answers

1. do you have a servlet mapping for IndexServlet.
2. to send to a servlet you need path like “/IndexServlet.do” this.getServletContext ( ) .getRequestDispatcher ( “/IndexServlet.do” ) .forward ( request , response ) ; or response.sendRedirect ( “/IndexServlet.do” ); assuming your mapping was like.

Why we use RequestDispatcher instead of sendRedirect?

The RequestDispatcher interface allows you to do a server side forward/include whereas sendRedirect() does a client side redirect. SendRedirect() will search the content between the servers. it is slow because it has to intimate the browser by sending the URL of the content.

What is the difference between ServletConfig and ServletContext interface?

ServletConfig is used for sharing init parameters specific to a servlet while ServletContext is for sharing init parameters within any Servlet within a web application.

What is the difference between the redirection of the response and the forwarding of the request and what methods are used to implement them?

The Response. Redirect method redirects a request to a new URL and specifies the new URL while the Server. Transfer method for the current request, terminates execution of the current page and starts execution of a new page using the specified URL path of the page.