![]() Deploy a new web application either by uploading a WAR file or supplying a directory on the server.īy default, the manager application is deployed under context /manager, so to access it, type the following URL into your web browser’s address bar (the port number may vary, depending on your server’s configuration):.Start, stop and restart an individual application.View a list of applications deployed on the server and their status.So be sure that it is installed with your version of Tomcat.Using the manager application, you can: The manager application is installed by default, but not always. You must have user name and password to access this application. Deploy method #3: using Tomcat’s manager applicationIn this method, you can deploy the web application remotely via a web interface provided by Tomcat’s manager application. NOTE: If you want to update changes for the application, you must replace the corresponding files under its document root directory. Restart the server, the application is deployed with the context path is name of the directory you copied.Copy the application’s directory from its location into $CATALINA_HOME\webapps directory.NOTE: Later if you want to update changes for the application, you must both replace the WAR file and delete the application’s unpacked directory, and then restart Tomcat.ĭeploy method #2: copying unpacked Java web application directoryIn this method, you have the web application in its unpacked form. Whenever Tomcat is started, it will unpack the WAR file it found in the webapps directory and launch the application in that manner. Copy the WAR file into $CATALINA_HOME\webapps directory.You may generate the WAR file using a tool or IDE like Eclipse, or someone just sent you the file. The following picture depicts what we have said so far:ĭeploy method #1: copying Java web application archive file (.war)In this method, the web application is packed as a WAR file. Application-specific JAR libraries are put under web application’s WEB-INF\lib directory.JAR libraries which are shared among web applications are put under $CATALINA_HOME\lib directory.You must have a strong understanding of how a Java web application is organized in terms of directory layout and hierarchy structure.WAR files can be created by command line or an IDE like Eclipse. Java web applications are usually packed in WAR files for deployment. WAR: is extension of a file that packs a web application directory hierarchy in zip format.For example, if your web application is put under $CATALINA_HOME\webapps\MyWeb directory, it will be accessed by the URL and its context path is /MyWeb. Context path: is the name which is relative to the server’s address (i.e and represents the name of the web application.Document root: is the top-level directory of a web application, where all the resources (JSP pages, HTLM pages, Java classes, images…) that constitute that application are placed.Web applications are put under $CATALINA_HOME\webapps directory.If this variable is not set explicitly, then it will be assigned the same value as $CATALINA_HOME. $CATALINA_BASE: is an environment variable points to the directory of a particular instance of Tomcat (if you configure multiple instances of Tomcat).For example, c:\Program Files\Apache Software Foundation\Tomcat 7.0 on Windows. $CATALINA_HOME: is an environment variable points to the directory where you installed Tomcat. ![]() What you need to know before beginWhile working with deployment of Java web applications on Tomcat, you should prepare yourself with a strong grasp about the following stuff: Deploy method #3: using Tomcat’s manager application.Deploy method #2: copying unpacked web application directory.Deploy method #1: copying web application archive file (.war).Suppose you have Tomcat installed on your development computer and have read/write permission on Tomcat’s installation directory.Table of content: Copying unpacked web application directory.Copying web application archive file (.war).This article describes the most common ways about how to deploy a Java web application on Tomcat, include the followings: Tomcat is a very popular web server/servlet container that can host Java web applications which are made up of servlets, JSP pages (dynamic content), HTML pages, javascript, stylesheets, images… (static content). ![]()
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