Apache Tomcat
Apache Tomcat is an open-source web server and servlet container developed by the Apache Software Foundation. It supports Java technologies such as Java Servlet, JSP, EL, and WebSocket. Learn about its main configuration files, web application manager, applications section, and the difference between web server and application server.
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Presentation Transcript
APACHE TOMCAT Apache Tomcat is an Open-Source Web Server and Servlet Container. Tomcat is a Server for hosting Java Web Applications. It was developed by the Apache Software Foundation (ASF). Apache Tomcat includes tools for configuration and management. Tomcat Supports Java Technologies: Java Servlet Java Server Pages (JSP) Java Expression Language (EL) Java WebSocket.
APACHE HTTPD VS TOMCAT There are many ways to compare Tomcat vs. the Apache HTTP Server. Apache web server's primary purpose is to simply serve up Static content (HTML, images, audio and text). Tomcat provides Dynamic content by employing Java-based logic.
MAIN CONFIGURATION FILES (PRE-REQUISITES) Package Configuration Files Auxiliary Directory Log Files Location Service / Daemon Ports : tomcat : /tomcat/bin/conf : tomcat : /tomcat/logs : tomcat10 : tomcat-8080
WEB APPLICATION MANAGER Message Manager Applications Deploy Diagnostics Server Information : Displays success and failure messages. : General manager operations like list and help. : List of web applications and commands. : Deploying web applications. : Identifying potential problems. : Information about the Tomcat server.
APPLICATIONS SECTION Path Display Name Running Sessions Commands : The web application context path. : Display name for the web application if it has one configured in its "web.xml". : Web application is running / available (true), or not running unavailable (false). : The number of active sessions for remote users of this web application. : start / stop / reload / undeploy
WEB-SERVER VS APPLICATION-SERVER By strict definition, a web server is a common subset of an application server. Web server and Application server are kinds of the server to deliver sites and application operations performed between users and back-end business applications of the organization. WEBSERVER APPLICATION SERVER 1. It handles the HTTP protocol. 2. Protocol dependent. 3. It is mostly designed to serve static content. 4. Serves web-based applications. 5. It provides only web container (servlet + jsp). 6. Apache, Nginx, caddy, IIS, lighttpd It handles any number of protocols (http, tcp-ip, etc.) Protocol independent. It is used to run dynamic code or business logic Web based applications and Enterprise applications. Web container + EJB container + JMS container. Tomcat, Weblogic, Websphere, Glassfish, JBOSS
