What’s needed to run Servlets?

• Servlet Engine: Provides the environment for the execution of Servlets

  • Standalone (part of Web Server): Works out of the box, but you’ll have to upgrade your Web server to get future changes to Servlet API
  • Embedded: Another application becomes engine
  • Add-on: Functions as a plug-in to existing Web server
    For a list of servlet engines, see: http://jserv.java.sun.com/products/java-server/servlets/environments.html
    

• A client application (the browser)

  To run a servlet, create a URL with “/servlet/” prefixed to the servlet name. Servlet URLs have the form:
  
  http://server_host:port/servlet/servlet-name

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