Port 80
80
request response paradigm is somthiing which define how request and response work in the web application or in real world. First when the user open browser and hit any URL, request object is created. This request object then send to the server. server finds the appropriate resources for that request and executes the logic (if any) ans send back response to the browser. Browser interprets the response and display result
Response is the HTTP stream sent from the Web server to the browser. Request is the HTTP stream sent from the browser to the Web server.
In send Redirect whenever the client makes any request it goes to the container, there the container decides whether the concerned servlet can handle the request or not. If not then the servlet decides that the request can be handle by other servlet or jsp. Then the servlet calls the sendRedirect() method of the response object and sends back the response to the browser along with the status code. Then the browser sees the status code and look for that servlet which can now handle the request. Again the browser makes a new request, but with the name of that servlet which can now handle the request and the result will be displayed to you by the browser. In all this process the client is unaware of the processing.
Client side (web browser) where user types his/her query and web browser sends request to server side (multiple data provider) reads the query and in response provides respective data to the client in HTML format. its a repetitive cycle called request and response between client and server.
in persistent HTTP with pipelining browser caters to multiple http requests and it cannot wait for the response http message for the previous request.
The response from the server is: HTTP/1.1 200 OK This means that the request from the client succeeded. If the page you requested is already stored in the cache of your browser you will get: HTTP/1.1 304 Not Modified This means that the page has not been modified since it was stored in your cache.
B Request C Response D Server E Session F Application
"We are looking forward to your positive response to this request." This is the grammatically correct phrase. "On this request" or "for this request" would not be necessary for conveying the intended meaning.
HttpServletRequest and HttpServletResponse are the two objects that signify the request received by a servlet and the response sent by it after it is done processing the request. Both the request and response can carry data objects (variables) that can be accessed by the entity receiving the request/response object. They are both an integral part of J2EE Applications.
HTTP is a request and response based protocol to transfer web contents. When you click the browser's 'go" button after putting the URL, then actually http sends the Get request to the specified web server's IP to have the request data for you-thus you see the web contents on your computer screen by the use of http.
# A browser fetches a Web page from a server by a request. # All the computers use a communication standard called HTTP # A request is a standard HTTP request containing a page address # A page address looks like: http://www.ltbbd.com/page.htm Note: Here ltbbd is an example.
A Hit