What does a server do when it receives an HTTP request?

The client (usually a browser) opens a connection to the server and sends a request. The server processes the request, generates a response, and closes the connection if it finds a Connection: Close header.

When a servlet is requested by user request and response objects are created by?

When a request comes in for a servlet, the server hands the request to the Web Container. Web Container is responsible for instantiating the servlet or creating a new thread to handle the request. Its the job of Web Container to get the request and response to the servlet.

How do web servers respond to the user request?

The web server will respond, sending the browser the requested page, again, through HTTP. If the requested page does not exist or if something goes wrong, the web server will respond with an error message. The browser will then be able to display the webpage. Multiple domains also can be hosted on one web server.

What is Web server in servlet?

Typically, a Web server refers to an execution infrastructure that handles. HTTP requests and responses; a servlet container refers to a component that. handles the lifecycle for servlets; an application server refers to a. framework (servlet container, EJB container, JSP engine, MQ container, etc.)

What is Web server and web client?

Web Server. Web Browser is an Application program that displays a World wide web document. It usually uses the internet service to access the document. Web server is a program or the computer that provide services to other programs called client. The Web browser requests the server for the web documents and services.

What is HTTP request and response in servlet?

HTTP Requests The HTTP client sends the request to the server in the form of request message which includes following information: The Request-line. The analysis of source IP address, proxy and port. The analysis of destination IP address, protocol, port and host.

What is servlet request and response?

The servlet container wraps all data that came from a client to a web server as a request. Also, the servlet container creates a corresponding ServletResponse object, that will be filled with data in a servlet.

What is a web server answer?

Definition: A web server is a computer that runs websites. It’s a computer program that distributes web pages as they are requisitioned. The basic objective of the web server is to store, process and deliver web pages to the users. This intercommunication is done using Hypertext Transfer Protocol (HTTP).

What is Web Server application?

By strict definition, a web server is a common subset of an application server. A web server delivers static web content—e.g., HTML pages, files, images, video—primarily in response to hypertext transfer protocol (HTTP) requests from a web browser.

What is meant by web server?

What is the function of servlet?

The servlet processes the request and generates the response in the form of output. The servlet sends the response back to the web server. The web server sends the response back to the client and the client browser displays it on the screen.

What is the difference between httpservletrequest and HTTP servletresponse?

Each time the web server receives a request, the servlet container creates HttpServletRequest and HttpServletResponse objects. The HttpServletRequest object provides the access to the request information and the HttpServletResponse object allows us to format and change the http response before sending it to the client.

How to read HTTP header in a servlet program?

There are following methods which can be used to read HTTP header in your servlet program. These methods are available with HttpServletRequest object Returns an array containing all of the Cookie objects the client sent with this request. Returns an Enumeration containing the names of the attributes available to this request.

What is executeexecution of servlet?

Execution of Servlets basically involves six basic steps: The clients send the request to the webserver. The web server receives the request. The web server passes the request to the corresponding servlet. The servlet processes the request and generates the response in the form of output.