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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.
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. Servlets may be packaged in a WAR file as a web application. [7]
Servlets SSI ISAPI SSJS IPv6 HTTP/2 QUIC HTTP/3; AOLserver: Yes No Yes [b] [c] [d] [3] Yes Yes No Unknown No No Yes Unknown Unknown user Unknown Unknown Unknown Unknown Unknown Apache HTTP Server: Yes Yes Yes [e] [c] [4] [f] [5] Yes Yes Yes Yes Yes [e] No [g] Yes Yes [h] Unknown user Yes [i] Yes Yes No No Apache Tomcat: Yes ...
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.
JSPs are translated into servlets at runtime, therefore JSP is a Servlet; each JSP servlet is cached and re-used until the original JSP is modified. [ 3 ] Jakarta Server Pages can be used independently or as the view component of a server-side model–view–controller design, normally with JavaBeans as the model and Java servlets (or a ...
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]
Jakarta RESTful Web Services, (JAX-RS; formerly Java API for RESTful Web Services) is a Jakarta EE API specification that provides support in creating web services according to the Representational State Transfer (REST) architectural pattern. [1]