What is Application Server?

• A server specifically designed to run applications.
• Includes both hardware and software that provide an environment for programs to run.

What is Application Server examples?

There is a huge number of application servers that are used today. Some of the examples are given below:

• JBoss
• Weblogic
• Websphere
• Glassfish
• Apache Geronimo
• Oracle OC4J
• Sun GLassFish Enterprise Server

 What is the purpose of application server?

An application server enables a server to generate a dynamic, customized response to a client request. An application server is a Java Virtual Machine (JVM) that runs user applications. The application server collaborates with the web server to return a dynamic, customized response to a client request.

How does application server work?

Application server usually work in concert with a web server. In fact, Today’s app server usually have web servers built in.

Here is how the process works:

• The user submits a request from a browser(e.g. Netscape, IE)
• The web server receives the request from the browser and recognizes it as a special request for a servlet.

• This is done by configuring the web server to recognize certain url’s as servlet requests.

• The web server passes the request to the application server.
• The application server processes the request and returns a response to the web server. 
• The web server passes the response to the browser.

What is difference between Web server and application server?

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