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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.
The basic Servlet package defines Java objects to represent servlet requests and responses, as well as objects to reflect the servlet's configuration parameters and execution environment. The Servlet API, contained in the Java package hierarchy javax.servlet, defines the expected interactions of the web container and a servlet. [4]
Some web application frameworks include simple HTTP servers. For example the Django framework provides runserver, and PHP has a built-in server. These are generally intended only for use during initial development. A production server will require a more robust HTTP front-end such as one of the servers listed here.
A SOAPConnection object, which represents a point-to-point connection, is simple to create and use. You do not have to do any configuration to use a SOAPConnection object because it does not need to run in a servlet container (like Tomcat) or in a J2EE server. It is the only way for a client to have a connection without a service provider. [6]
A web container (also known as a servlet container; [1] and compare "webcontainer" [2]) is the component of a web server that interacts with Jakarta Servlets.A web container is responsible for managing the lifecycle of servlets, mapping a URL to a particular servlet and ensuring that the URL requester has the correct access-rights.
For example, the web.xml file is a standard Java EE deployment descriptor, specified in the Java Servlet specification, but the sun-web.xml file contains configuration data specific to the Sun GlassFish Enterprise Server implementation. [3]
The example module is an actual working module. If you link it into your server, enable the "example-handler" handler for a location, and then browse to that location, you will see a display of some of the tracing the example module did as the various callbacks were made. mod_extract: mod_fcgid: Version 2.0, 2.2 and 2.4: Stable Extension
HiveMind - a services and configuration microkernel; Maven - a project build and management tool; POI - a pure Java port of Microsoft's popular file formats. Struts - a web application development framework; Tapestry - A component object model based on JavaBeans properties and strong specifications; Tomcat - a JSP/Servlet container