From Jasper to Jasper 2, important features were added: At runtime, Jasper detects changes to JSP files and recompiles them.Īs of version 5, Tomcat uses Jasper 2, which is an implementation of the Sun Microsystems's JSP2.0 specification.
Jasper parses JSP filesto compile them into Java code as servlets (that can be handled by Catalina). Another Coyote Connector, Coyote JK, listens similarly but instead forwards its requests to another web server, such as Apache, using the JK protocol. Ĭoyote listens for incoming connections to the server on a specific TCPport and forwards the request to the Tomcat Engine to process the request and send back a response to the requesting client. This allows Catalina, nominally a Java Servlet or JSP container, to also act as a plain web server that serves local files as HTTP documents. CoyoteĬoyote is a Connector component for Tomcat that supports the HTTP 1.1 protocol as a web server. Different implementations of Realm allow Catalina to be integrated into environments where such authentication information is already being created and maintained, and then use that information to implement Container Managed Security as described in the Servlet Specification. In Tomcat, a Realm element represents a "database" of usernames, passwords, and roles (similar to Unix groups) assigned to those users. Catalina implements Sun Microsystems's specifications for servletand JavaServer Pages(JSP). Component CatalinaĬatalina is Tomcat's servlet container.
APACHE TOMCAT COYOTE JSP ENGINE 1.1 SOFTWARE
Tomcat is developed and maintained by an open community of developers under the auspices of the Apache Software Foundation, released under the Apache License 2.0 license, and is open-source software. Tomcat implements several Java EE specifications including Java Servlet, JavaServer Pages(JSP), Java EL, and WebSocket, and provides a "pure Java" HTTP web server environment in which Java code can run. Apache Tomcat, often referred to as Tomcat Server, is an open-source Java Servlet Container developed by the Apache Software Foundation (ASF).
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