mod_jk is an Apache module used to connect the

Tomcat Tomcat may refer to: Animals * A sexually mature male cat * Paederus, known as in Indonesia Science and technology * Apache Tomcat, an implementation of Java web-server technologies * Beretta 3032 Tomcat, a pistol * Grumman F-14 Tomcat, a fi ...

servlet container A web container (also known as a servlet container; and compare "webcontainer" ) 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 part ...

with

web server A web server is computer software and underlying hardware that accepts requests via HTTP (the network protocol created to distribute web content) or its secure variant HTTPS. A user agent, commonly a web browser or web crawler, initiate ...

s such as

Apache The Apache () are a group of culturally related Native American tribes in the Southwestern United States, which include the Chiricahua, Jicarilla, Lipan, Mescalero, Mimbreño, Ndendahe (Bedonkohe or Mogollon and Nednhi or Carrizaleño an ...

iPlanet iPlanet was a product brand that was used jointly by Sun Microsystems and Netscape Communications Corporation when delivering software and services as part of a non-exclusive cross marketing deal that was also known as "A Sun, Netscape Alliance" ...

Sun ONE Sun Java System was a brand used by Sun Microsystems to market computer software. The Sun Java System brand superseded the Sun ONE brand in September 2003. There are two major suites under this brand, the Sun Java Enterprise System suite of infras ...

(formerly Netscape) and even IIS using the

Apache JServ Protocol The Apache JServ Protocol (AJP) is a binary protocol that can proxy inbound requests from a web server through to an application server that sits behind the web server. AJP is a highly trusted protocol and should never be exposed to untrusted client ...

. The mod_proxy_ajp module performs a similar function to this module, while being integrated into the

mod_proxy mod_proxy is an optional module for the Apache HTTP Server. This module implements a proxy, gateway or cache for Apache. It implements proxying capability for AJP13 (Apache JServ Protocol version 1.3), FTP, CONNECT (for SSL), HTTP/0.9, HTTP/1 ...

framework. A web server waits for client

HTTP requests The Hypertext Transfer Protocol (HTTP) is an application layer protocol in the Internet protocol suite model for distributed, collaborative, hypermedia information systems. HTTP is the foundation of data communication for the World Wide Web, w ...

. When these requests arrive, the server does what is needed to serve the requests by providing the necessary content. Adding a servlet container alters this behavior. Now the web server needs also to: * Load the servlet container adapter library and initialize it (prior to serving requests). * When a request arrives, it needs to check and see if a certain request belongs to a servlet, if so it needs to let the adapter take the request and handle it. The adapter needs to know what requests it is going to serve, usually based on some pattern in the request URL, and to where to direct these requests. Things are more complex when the user wants to set a configuration that uses virtual hosts, or when they want multiple developers to work on the same web server but on different servlet container JVMs.

External links

Tomcat Documentation

Jk Java enterprise platform Articles with underscores in the title {{Compu-network-stub

See also

External links