Difference between web server web container and application server

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Please tell me the Difference between web server  web container and application server

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The basic idea of Servlet container is using Java to dynamically generate the web page on the server side using Servlets and JSP  So servlet container is essentially a part of a web server that interacts with the servlets

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The main difference between the web containers and application server is that most web containers such as Apache Tomcat implements only basic JSR like Servlet  JSP  JSTL wheres Application servers implements the entire Java EE Specification  Every application server contains web container

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Web containers are responsible to provide the run time environment to web applications  It contains components that provide naming context and manages the life cycle of a web application  Web containers are a part of a web server and they generally processes the user request and send a static response   Servlet containers are the one where JSP created components reside  They are basically responsible to provide dynamic content as per the user request  Basically  Web containers reply with a static content as per the user request  but Servlets can create the dynamic pages

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Web Server   It provides HTTP Request and HTTP response  It handles request from client only through HTTP protocol  It contains Web Container  Web Application mostly deployed on web Server  EX  Servlet JSP  Web Container  it maintains the life cycle for Servlet Object  Calls the service method for that servlet object  pass the HttpServletRequest and HttpServletResponse Object   Application Server  It holds big Enterprise application having big business logic  It is Heavy Weight or it holds Heavy weight Applications  Ex  EJB

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A Web application runs within a Web container of a Web server  The Web container provides the runtime environment through components that provide naming context and life cycle management  Some Web servers may also provide additional services such as security and concurrency control  A Web server may work with an EJB server to provide some of those services  A Web server  however  does not need to be located on the same machine as an EJB server  Web applications are composed of web components and other data such as HTML pages  Web components can be servlets  JSP pages created with the JavaServer Pages    technology  web filters  and web event listeners  These components typically execute in a web server and may respond to HTTP requests from web clients  Servlets  JSP pages  and filters may be used to generate HTML pages that are an application   s user interface  They may also be used to generate XML or other format data that is consumed by other application components   Source  http   www service-architecture com articles application-servers j2ee web server or container html

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Your question is similar to below   What is the difference between application server and web server   In Java  Web Container or Servlet Container or Servlet Engine   is used to manage the components like Servlets  JSP  It is a part of the web server   Web Server or HTTP Server  A server which is capable of handling HTTP requests  sent by a client and respond back with a HTTP response   Application Server or App Server  can handle all application operations between users and an organization s back end business applications or databases It is frequently viewed as part of a three-tier application with  Presentation tier  logic tier Data tier

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Web container also known as a Servlet container is the component of a web server that interacts with Java servlets  A web container is responsible for managing the lifecycle of servlets  mapping a URL to a particular servlet and ensuring that the URL requester has the correct access rights

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Web Container   HTTP request handling    WebServer  Web Server   EJB    Messaging   Transactions  etc     ApplicaitonServer

[jakarta-ee] Difference between web server, web container and application server

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