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Apache Tomcat (called "Tomcat" for short) is a free and open-source implementation of the Jakarta Servlet, Jakarta Expression Language, and WebSocket technologies. It provides a "pure Java" HTTP web server environment in which Java code can also run. Thus it is a Java web application server, although not a full JEE application server.
Authenticates users via a login form on a webpage, the backend mechanism for verifying user authentication is left to configurable providers, usually other Apache modules. This module was created to provide functionality similar to that provided by Apache Tomcat. [10] mod_authn_anon: Version 2.1 and newer: Stable Extension: Apache Software ...
[20] [21] [22] In this context, spring-core is the artifact [23] found in the core module [24] belonging to the org.springframework group. [25] The spring-core artifact consists of the IoC container, as well as the utility classes [23] used throughout the application. [26] Aspect-oriented programming: enables implementing cross-cutting concerns.
There are several ways of creating a servlet and using URL mapping with a servlet. Before servlet 3.0 specification (Tomcat 7.0), configuring the web.xml to map a servlet to a URL was the only option. For applications using the servlet 3.0 specification or later, the @WebServlet annotation can be used to map any servlet to one or more URL patterns.
Apache is developed and maintained by an open community of developers under the auspices of the Apache Software Foundation. Released under the Apache License, Apache is open-source software. A wide variety of features are supported, and many of them are implemented as compiled modules which extend the core functionality of Apache. These can ...
The Jakarta Standard Tag Library (JSTL; formerly JavaServer Pages Standard Tag Library) is a component of the Java EE Web application development platform. It extends the JSP specification by adding a tag library of JSP tags for common tasks, such as XML data processing, conditional execution, database access, loops and internationalization.
GWT uses or supports Java, Apache Tomcat (or similar web container), Eclipse IDE, Internet Explorer, [22] and internationalization and localization. Java-based GWT rich web applications can be tested using JUnit testing framework and code coverage tools. Because GWT allows compile time verification of images, CSS, and business logic, many ...
In the earlier days of the web, server-side scripting was almost exclusively performed by using a combination of C programs, Perl scripts, and shell scripts using the Common Gateway Interface (CGI).