In previous chapters, we have learned, among other things, how to deploy Java web applications to Apache Tomcat server. In our examples, we copied the directory or WAR file of the web application to Tomcat’s /webapps directory, and started (or restarted) the server. However, in a production environment, it may be inconvenient to stop the running server with existing applications — that’s where Tomcat’s Manager web applications come in handy. Using Manager web application bundled with the Apache Tomcat distribution, you can deploy new applications, undeploy existing ones, and perform various other server management tasks from your browser.
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