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Jetty.project

Eclipse Jetty® - Web Container & Clients - supports HTTP/3, HTTP/2, HTTP/1, websocket, servlets, and more

From jetty·Updated May 31, 2026·View on GitHub·

Eclipse Jetty is a lightweight, highly scalable, Java-based web server and Servlet engine. Jetty's goal is to support web protocols (HTTP/1, HTTP/2, HTTP/3, WebSocket, etc.) in a high volume low latency way that provides maximum performance while retaining the ease of use and compatibility with years of Servlet development. Jetty is a modern fully asynchronous web server that has a long history as a component oriented technology, and can be easily embedded into applications while still offering ... The project is written primarily in Java, distributed under the Other license, first published in 2011. It has gained significant community traction with 4,076 stars and 2,003 forks on GitHub. Key topics include: eclipse, embedded, fcgi, http, http-client.

Latest release: jetty-12.1.912.1.9

Eclipse Jetty

Eclipse Jetty is a lightweight, highly scalable, Java-based web server and Servlet engine.
Jetty's goal is to support web protocols (HTTP/1, HTTP/2, HTTP/3, WebSocket, etc.) in a high volume low latency way that provides maximum performance while retaining the ease of use and compatibility with years of Servlet development.
Jetty is a modern fully asynchronous web server that has a long history as a component oriented technology, and can be easily embedded into applications while still offering a solid traditional distribution for webapp deployment.

Webapp Example

shell
$ mkdir jetty-base && cd jetty-base $ java -jar $JETTY_HOME/start.jar --add-modules=http,ee11-deploy $ cp ~/src/myproj/target/mywebapp.war webapps $ java -jar $JETTY_HOME/start.jar

Multiple Versions Webapp Example

shell
$ mkdir jetty-base && cd jetty-base $ java -jar $JETTY_HOME/start.jar --add-modules=http,ee11-deploy,ee8-deploy $ cp ~/src/myproj/target/mywebapp10.war webapps $ cp ~/src/myproj/target/mywebapp8.war webapps $ echo "environment: ee8" > webapps/mywebapp8.properties $ java -jar $JETTY_HOME/start.jar

Embedded Jetty Example

java
Server server = new Server(port); server.setHandler(new MyHandler()); server.start();

Embedded Servlet Example

java
Server server = new Server(port); ServletContextHandler context = new ServletContextHandler("/"); context.addServlet(MyServlet.class, "/*"); server.setHandler(context); server.start();

Building Jetty from Source

shell
$ git clone https://github.com/jetty/jetty.project.git $ cd jetty.project $ mvn -Pfast clean install # fast build bypasses tests and other checks

For more detailed information on building and contributing to the Jetty project, please see the Contribution Guide.

Documentation

Jetty's documentation is available on the Eclipse Jetty website.

The documentation is divided into three guides, based on use case:

  • The Operations Guide targets sysops, devops, and developers who want to install Eclipse Jetty as a standalone server to deploy web applications.

  • The Programming Guide targets developers who want to use the Eclipse Jetty libraries in their applications, and advanced sysops/devops that want to customize the deployment of web applications.

  • The Contribution Guide targets developers that wish to contribute to the Jetty Project with code patches or documentation improvements.

Commercial Support

Expert advice and production support of Jetty are provided by Webtide.

Contributors

Showing top 12 contributors by commit count.

View all contributors on GitHub →

This article is auto-generated from jetty/jetty.project via the GitHub API.Last fetched: 5/31/2026