Já usam ele na comunidade "oficial" do java no brasil -> guj.com.br
Jetty is an open-source, standards-based, full-featured web server implemented entirely in Java. It is released under the Apache 2.0 licence and is therefore free for commercial use and distribution. First created in 1995, Jetty has benefitted from input from a vast user community and consistent and focused development by a stable core of lead developers. There are many more examples of Jetty in action on the Jetty Powered Page that has selections from among the tens of thousands of production Jetty instances. However, as Jetty aims to be as unobtrusive as possible, countless websites and products are based around Jetty, but Jetty is invisible!
Full commercial support, training and development services for Jetty and Jetty-based projects are available from Webtide .
Jetty can be used as:
* a stand-alone traditional web server for static and dynamic content
* a dynamic content server behind a dedicated HTTP server such as Apache using mod_proxy
* an embedded component within a java application
This flexibility means that Jetty can be encountered in a number of different contexts:
* shipped with products to provide out-of-the-box useability eg Tapestry , Liferay
* distributed on CDs with books to make examples and exercises ready-to-run
* incorporated into applications as a HTTP transport eg JXTA , MX4J
* integrated as a web container in JavaEE app servers eg JOnAS , Geronimo , JBoss , JFox
* included as a component of an application eg Continuum , FishEye , Maven
Version Java HTTP Servlet JSP Status Notes
Jetty-7.0 1.5- HTTP/1.1 RFC2616 3.0 2.1 Experimental Standardized async
Jetty-6.1 1.4-1.6 HTTP/1.1 RFC2616 2.5 2.1 or 2.0 Stable Async SSL, AJP, cometd, testing
Jetty-6 1.4-1.5 HTTP/1.1 RFC2616 2.5 2.1 or 2.0 Deprecated Continuations, IOC, NIO, dynamic buffers, smaller, faster, better
Jetty-5.1 1.2-1.5 HTTP/1.1 RFC2616 2.4 2.0 Stable J2EE 1.4 Compliance tested, optimizations, geronimo integration.
Jetty-5.0 1.2-1.4 HTTP/1.1 RFC2616 2.4 2.0 Deprecated Schema, JettyPlus
Jetty-4.2 1.2-1.4 HTTP/1.1 RFC2616 2.3+ 1.2 Mature JettyPlus
Jetty-4.1 1.2-1.4 HTTP/1.1 RFC2616 2.3 1.2 Deprecated JAXP1.1, AJP13(mod_jk)
Jetty-4.0 1.2 HTTP/1.1 RFC2616 2.3 1.2 Deprecated
Jetty-3.1 1.2 HTTP/1.1 RFC2068 2.2 1.1 Ancient JMX
Jetty-3.0 1.2 HTTP/1.1 RFC2068 2.2 1.1 Fossilized
Jetty-2.4 1.1 HTTP/1.0 RFC1945 2.1 1.0 Legendary
Jetty-1.0 1.0 HTTP/1.0 RFC1945 - - Mythical
--> Trabalha com php também ^^
download? (http://jetty.mortbay.org/jetty/)