These ebuilds come from http://overlays.gentoo.org/proj/java.
If you have some problems, go to the official site first.
geronimo : Geronimo J2EE application server ( http://geronimo.apache.org/ )
jboss-bin : An open source, standards-compliant, J2EE-based application server implemented in 100% Pure Java. ( http://www.jboss.org )
jetty : A Lightweight Servlet Engine ( http://www.mortbay.org/ )
jigsaw : A Java-based web server from W3C ( http://www.w3.org/Jigsaw )
tomcat : Tomcat Servlet-2.4/JSP-2.0 Container ( http://tomcat.apache.org/ )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a java-overlay
For Paludis use this rsync : rsync://gentoo.zugaina.org/java-overlay-portage
If you have a problem : ycarus(-at-)zugaina.org