These ebuilds come from http://overlays.gentoo.org/proj/java.
If you have some problems, go to the official site first.
abbot : ( http://abbot.sourceforge.net/ )
ant-core : Java-based build tool similar to 'make' that uses XML configuration files. ( http://ant.apache.org/ )
ant-eclipse-ecj : Ant Compiler Adapter for Eclipse Java Compiler ( http://www.eclipse.org/ )
ant-pretty : ant code Beautifier from jrefactory package ( http://jrefactory.sourceforge.net/ )
apache-addressing : Apache Addressing is an implementation of the Web Services Addressing (WS-Addressing), published by the IBM, Microsoft and BEA as a joint specification, on top of Apache Axis (The Next Generation SOAP). ( http://ws.apache.org/ws-fx/addressing/ )
aspectwerkz : AspectWerkz is a dynamic, lightweight and high-performant AOP/AOSD framework for Java. ( http://aspectwerkz.codehaus.org )
asterisk-java : Java classes for interaction with an Asterisk PBX Server with support for FastAGI and Manager API. ( http://asterisk-java.org/ )
axiom : Apache WSS4J is an implementation of the OASIS Web Services Security (WS-Security) ( http://ws.apache.org/wss4j/index.html )
batik : Java based SVG toolkit ( http://xml.apache.org/batik/ )
buildmagic-tasks : JBoss buildmagic tasks module ( http://www.jboss.org )
burlap : The Burlap web service protocol. ( http://www.caucho.com/burlap/ )
byaccj : A java extension of BSD YACC-compatible parser generator ( http://byaccj.sourceforge.net/ )
carol : CAROL is a library allowing to use different RMI implementations. ( http://carol.objectweb.org/ )
caucho-services : The com.caucho.services package used by dev-java/hessian and dev-java/burlap. ( http://www.caucho.com/ )
cewolf : Cewolf is a tag library for charts of all kinds. It enables every JSP to easily embedd chart images. ( http://cewolf.sourceforge.net/ )
classworlds : Advanced classloader framework ( http://classworlds.codehaus.org/ )
commons-beanutils-collections : Provides easy-to-use wrappers around Reflection and Introspection APIs ( http://jakarta.apache.org/commons/beanutils/ )
commons-chain : An implementation of the Chain of Responsibility pattern ( http://jakarta.apache.org/commons/chain/ )
commons-digester-rss : An rss library application from the commons-digester examples. ( http://jakarta.apache.org/commons/digester/ )
commons-email : Commons Email aims to provide a API for sending email. ( http://commons.apache.org/email/ )
commons-grant : A small collection of hacks to make using Ant in an embedded envinronment much easier. ( http://jakarta.apache.org/commons/sandbox/grant/ )
commons-graph : A toolkit for managing graphs and graph based data structures ( http://jakarta.apache.org/commons/ )
commons-math : Commons-Math is a library of lightweight, self-contained mathematics and statistics components addressing the most common practical problems not immediately available in the Java programming language. ( http://jakarta.apache.org/commons/math/ )
cssparser : The CSS Parser inputs Cascading Style Sheets Level 2 source text and outputs a Document Object Model Level 2 Style tree. ( http://cssparser.sourceforge.net/ )
dnsjava : dnsjava is an implementation of DNS in Java. ( http://www.dnsjava.org/ )
dom4j : Easy to use, open source library for working with XML, XPath and XSLT on the Java platform using the Java Collections Framework and with full support for DOM, SAX and JAXP. ( http://dom4j.sourceforge.net/ )
doxia : Maven is a software project management and comprehension tool. ( http://maven.apache.org/ )
dvsl : Declarative Velocity Style Language. ( http://jakarta.apache.org/velocity/dvsl/index.html )
easymock : EasyMock provides Mock Objects for interfaces in JUnit tests by generating them on the fly using Java's proxy mechanism ( http://www.easymock.org/ )
easymockclassextension : EasyMock provides Mock Objects for interfaces in JUnit tests by generating them on the fly using Java's proxy mechanism ( http://www.easymock.org/ )
echo2 : Echo2 is the next-generation of the Echo Web Framework ( http://www.nextapp.com/platform/echo2/echo/ )
echo2extras : Echo2 Extras are additional components for the Echo Web Framework ( http://www.nextapp.com/platform/echo2/extras/ )
echopointng : The EchoPoint project provides a rich collection of web components which seamlessly integrate with the Echo Web Framework ( http://echopoint.sourceforge.net/ )
eclipse-ecj : Eclipse Compiler for Java ( http://www.eclipse.org/ )
escher : Escher is a collection of libraries for X Window System written purely in Java. ( http://escher.sourceforge.net )
excalibur-pool-api : Pool from the Excalibur containerkit ( http://excalibur.apache.org/component-list.html )
excalibur-pool-impl : Pool from the Excalibur containerkit ( http://excalibur.apache.org/component-list.html )
explicitlayout : ExplicitLayout is a powerful layout manager for Java ( http://www.zookitec.com/explicitlayout.html )
fast-md5 : Fast MD5 Implementation in Java ( http://www.twmacinta.com/myjava/fast_md5.php )
fb-contrib : An auxiliary findbugs.sourceforge.net plugin for bug detectors that fall outside the narrow scope of detectors to be packaged with the product itself. ( http://fb-contrib.sourceforge.net/ )
filters : Java Image Processing Classes ( http://www.jhlabs.com/ip/filters/ https://pixels.dev.java.net/ )
findbugs : Find Bugs in Java Programs ( http://findbugs.sourceforge.net/ )
findbugs-bcel : The Byte Code Engineering Library patched for performance for findbugs package ( http://jakarta.apache.org/bcel/ )
flickrj : Flickrj is Java API which wraps the REST-based Flickr API ( http://flickrj.sourceforge.net/ )
flip : open source library of high-quality Java components ( http://flib.sourceforge.net/ )
fuse : Fuse is a lightweight resource injection library specificall ( https://fuse.dev.java.net" SRC_URI="${HOMEPAGE}/files/documents/4589/32550/${PN}-src-${PV}.zip )
gcj-jdk : Java wrappers around GCJ ( http://www.gentoo.org/ )
gef : Java Graph Editing Framework ( http://gef.tigris.org )
geronimo-specs : Apache's Geronimo implementation of J2EE specification ( http://geronimo.apache.org )
gjdoc : A javadoc compatible Java source documentation generator. ( http://www.gnu.org/software/cp-tools/ )
gjt-jpl-pattern : A set of interfaces used to recognize well known design patterns in a software system. ( http://www.gjt.org/pkgdoc/org/gjt/lindfors/pattern/ )
gjt-jpl-util : A collection of miscellaneous classes and methods that generally come in handy in all sorts of situations. ( http://www.gjt.org/pkgdoc/org/gjt/lindfors/util/ )
gluegen : GlueGen is a tool which automatically generates the Java and JN ( https://gluegen.dev.java.net )
gnu-classpath : Free core class libraries for use with VMs and compilers for the Java programming language ( http://www.gnu.org/software/classpath )
gnu-crypto : GNU Crypto cryptographic primitives for Java ( http://www.gnu.org/software/gnu-crypto/ )
guice : Guice is a lightweight dependency injection framework for Java 5 and above. ( http://code.google.com/p/google-guice/ )
hamcrest : Library of matchers for building test expressions. ( http://code.google.com/p/hamcrest/ )
hessian : The Hessian binary web service protocol makes web services usable without requiring a large framework, and without learning yet another alphabet soup of protocols. ( http://www.caucho.com/hessian/ )
hibernate : Hibernate is a powerful, ultra-high performance object / relational persistence and query service for Java. ( http://www.hibernate.org )
hibernate-annotations : Annotations support for Hibernate ( http://annotations.hibernate.org )
hibernate-annotations-bin : Annotations support for Hibernate ( http://annotations.hibernate.org )
hibernate-entitymanager-bin : Annotations support for Hibernate ( http://annotations.hibernate.org )
howl-logger : HOWL is a logger implementation providing features required by the ObjectWeb JOTM project, with a public API that is generally usable by any Transaction Manager ( http://howl.objectweb.org/ )
httpunit : HttpUnit emulates the relevant portions of browser behavior. ( http://httpunit.sourceforge.net/ )
icedtea6 : A harness to build the OpenJDK using Free Software build tools and dependencies ( http://icedtea.classpath.org )
ini4j : Simple Java API Windows style .ini file handling ( http://ini4j.sourceforge.net/ )
irmi : Intercepting RMI implementation for the Java platform ( http://carol.objectweb.org/ )
itext : Java library that generate documents in the Portable Document Format (PDF) and/or HTML ( http://www.lowagie.com/iText/ )
izpack : IzPack is an installers generator for the Java platform. ( http://www.izforge.com/izpack/ )
j3d-core : Java3D Core API and Utils package ( https://java3d.dev.java.net/ )
jacorb : The free Java implementation of the OMG's CORBA standard. ( http://www.jacorb.org/ )
jakarta-cactus : Cactus is a simple test framework for unit testing server-side java code (Servlets, EJBs, Tag Libs, Filters, ...). ( http://jakarta.apache.org/cactus/ )
jamvm : An extremely small and specification-compliant virtual machine. ( http://jamvm.sourceforge.net/ )
java-kernel-support : Java(tm) Binary Kernel Support for Linux ( http://www.linuxhq.com/java.html )
java-service-wrapper : A wrapper that makes it possible to install a Java Application as daemon. ( http://wrapper.tanukisoftware.org/ )
javacsv : Java library for reading and writing CSV and plain delimited text files ( http://www.csvreader.com/java_csv.php )
javatoolkit : Collection of Gentoo-specific tools for Java ( http://www.gentoo.org/proj/en/java/ )
jdbc2-stdext : A standard set of libs for Server-Side JDBC support ( http://java.sun.com/products/jdbc )
jdbm : Jdbm aims to be for Java what GDBM is for Perl, Python, C, ... ( http://jdbm.sourceforge.net/ )
jdic : The JDesktop Integration Components (JDIC) API ( https://jdic.dev.java.net/ )
jeremie : Jeremie provides an RMI-like programming style. ( http://jonathan.objectweb.org/ )
jfor : A Java XSL-FO to RTF converter. ( http://www.jfor.org/ )
jgrapht : Graph library that is a simpler and faster alternative to JGraph ( http://jgrapht.sourceforge.net )
jinput : Jinput is an implementation of an API for game controller discovery and polled input ( https://jinput.dev.java.net )
jna-posix : Lightweight cross-platform POSIX emulation layer for Java ( http://jruby.codehaus.org/ )
joal : Java binding for OpenAL API ( https://joal.dev.java.net/ )
joesnmp : joeSNMP is an open-source Java SNMP class library published under the LGPL. ( http://sourceforge.net/projects/joesnmp/ )
jogl : Java(TM) Binding fot the OpenGL(TM) API ( https://jogl.dev.java.net )
jonathan-core : Jonathan is a Distributed Object Platform (DOP) written entirely in Java. ( http://jonathan.objectweb.org/index.html )
joni : Java port of the Oniguruma regular expression engine ( http://jruby.codehaus.org/ )
joone-engine : Java Object Oriented Neural Engine ( http://www.jooneworld.com/ )
joscar : A Java library for AIM's OSCAR protocol ( http://joust.kano.net/joscar )
jotm : JOTM (Java Open Transaction Manager) is a fully functional open source standalone transaction manager that implements the XA protocol and is compliant with the JTA APIs. ( http://jotm.objectweb.org/index.html )
jpcap : Java library for capturing and sending network packets ( http://netresearch.ics.uci.edu/kfujii/jpcap/doc/index.html )
jrefactory : Open source Java refactoring tool ( http://jrefactory.sourceforge.net/ )
jruby : Java-based Ruby interpreter implementation ( http://jruby.codehaus.org/ )
jsap : Java Simple Arguments Parser (JSAP) ( http://sourceforge.net/projects/jsap )
jsfapi : JavaServer Faces technology is a framework for building user interfaces for web applications ( http://myfaces.apache.org/ )
json : Java implementation of the JavaScript Object Notation ( http://www.json.org )
jsr223 : Scripting for the Java(TM) Platform ( http://jcp.org/en/jsr/detail?id=223 )
jsr305 : JSR 305: Annotations for Software Defect Detection in Java ( http://code.google.com/p/jsr-305/ )
juddi : jUDDI is an open source Java implementation of the Universal Description, Discovery, and Integration (UDDI) specification for Web Services. ( http://ws.apache.org/juddi/ )
junitx : A junit module, allowing to test private and protected Java classes, methods and variables. ( http://www.extreme-java.de/junitx/ )
jutils : A set of APIs utilized by the Java Game Technology Group. ( https://jutils.dev.java.net )
jvyamlb : JvYAMLb, YAML processor extracted from JRuby ( http://code.google.com/p/jvyamlb/ )
kilim : Kilim is a generic configuration framework for Java, which can be used easily with existing applications, frameworks, and systems ( http://kilim.objectweb.org/ )
libhttpd : Blommers IT java HTTP Server Library ( http://www.blommers-it.nl/libhttpd/ )
liquidlnf : Provides a look and feel based on the Mosfet Liquid KDE 3.x theme ( https://liquidlnf.dev.java.net/ )
lucene-analyzers : Lucene Analyzers additions ( http://lucene.apache.org/java )
maven : The core of Maven ( http://maven.apache.org )
maven-artifact : Maven is a software project management and comprehension tool. ( http://maven.apache.org/ )
maven-base-poms : base poms for maven ( http://maven.apache.org )
maven-bin : Project Management and Comprehension Tool for Java ( http://maven.apache.org/ )
maven-build-context : Maven is a software project management and comprehension tool. ( http://maven.apache.org/ )
maven-core : The core of Maven ( http://maven.apache.org )
maven-embedder : Maven is a software project management and comprehension tool. ( http://maven.apache.org/ )
maven-error-diagnostics : Maven is a software project management and comprehension tool. ( http://maven.apache.org/ )
maven-lifecycle : Maven is a software project management and comprehension tool. ( http://maven.apache.org/ )
maven-model : Maven is a software project management and comprehension tool. ( http://maven.apache.org/ )
maven-model-v3 : Maven is a software project management and comprehension tool. ( http://maven.apache.org/ )
maven-monitor : Maven is a software project management and comprehension tool. ( http://maven.apache.org/ )
maven-plugin-api : Maven is a software project management and comprehension tool. ( http://maven.apache.org/ )
maven-plugin-descriptor : Maven is a software project management and comprehension tool. ( http://maven.apache.org/ )
maven-plugin-parameter-documenter : Maven is a software project management and comprehension tool. ( http://maven.apache.org/ )
maven-plugin-registry : Maven is a software project management and comprehension tool. ( http://maven.apache.org/ )
maven-plugins : Maven is a software project management and comprehension tool. ( http://maven.apache.org/ )
maven-profile : Maven is a software project management and comprehension tool. ( http://maven.apache.org/ )
maven-project : Maven is a software project management and comprehension tool. ( http://maven.apache.org/ )
maven-reporting : Maven is a software project management and comprehension tool. ( http://maven.apache.org/ )
maven-scm : Maven is a software project management and comprehension tool. ( http://maven.apache.org/ )
maven-script : Maven is a software project management and comprehension tool. ( http://maven.apache.org/ )
maven-settings : Maven is a software project management and comprehension tool. ( http://maven.apache.org/ )
maven-shared-components : Maven is a software project management and comprehension tool. ( http://maven.apache.org/ )
monolog : The goal of Monolog is to define and maintain the ObjectWeb API for the logging. ( http://monolog.objectweb.org/ )
myfaces : The first free open source Java Server Faces implementation ( http://myfaces.apache.org/ )
neethi : Apache WSS4J is an implementation of the OASIS Web Services Security (WS-Security) ( http://ws.apache.org/wss4j/index.html )
netbeans-svnclientadapter : Netbeans fork of svnClientAdapter ( http://subversion.netbeans.org/teepee/svnclientadapter.html )
opensaml : an Open Source Security Assertion Markup Language implementation ( http://www.opensaml.org/ )
p6spy : P6Spy is a framework that enables database data to be seamlessly intercepted and manipulated with no code changes to existing application ( http://www.p6spy.com/ )
piccolo2d : A Structured 2D Graphics Framework ( http://code.google.com/p/piccolo2d/ )
picocontainer : Small footprint Dependency Injection container ( http://www.picocontainer.org )
pircbot : PircBot is a Java framework for writing IRC bots quickly and easily. ( http://www.jibble.org/pircbot.php )
plexus-active-collections : The Plexus project provides a full software stack for creating and executing software projects. ( http://plexus.codehaus.org/ )
plexus-archiver : The Plexus project provides a full software stack for creating and executing software projects. ( http://plexus.codehaus.org/ )
plexus-classworlds : The Plexus project provides a full software stack for creating and executing software projects. ( http://plexus.codehaus.org/ )
plexus-cli : The Plexus project provides a full software stack for creating and executing software projects. ( http://plexus.codehaus.org/ )
plexus-compiler : The Plexus project provides a full software stack for creating and executing software projects. ( http://plexus.codehaus.org/ )
plexus-component-api : The Plexus project provides a full software stack for creating and executing software projects. ( http://plexus.codehaus.org/ )
plexus-component-factories : The Plexus project provides a full software stack for creating and executing software projects. ( http://plexus.codehaus.org/ )
plexus-container-default : The Plexus project provides a full software stack for creating and executing software projects. ( http://plexus.codehaus.org/ )
plexus-digest : The Plexus project provides a full software stack for creating and executing software projects. ( http://plexus.codehaus.org/ )
plexus-i18n : The Plexus project provides a full software stack for creating and executing software projects. ( http://plexus.codehaus.org/ )
plexus-interactivity-api : The Plexus project provides a full software stack for creating and executing software projects. ( http://plexus.codehaus.org/ )
plexus-io : The Plexus project provides a full software stack for creating and executing software projects. ( http://plexus.codehaus.org/ )
plexus-mail-sender : The Plexus project provides a full software stack for creating and executing software projects. ( http://plexus.codehaus.org/ )
plexus-resources : The Plexus project provides a full software stack for creating and executing software projects. ( http://plexus.codehaus.org/ )
plexus-server : The Plexus project provides a full software stack for creating and executing software projects. ( http://plexus.codehaus.org/ )
plexus-utils : The Plexus project provides a full software stack for creating and executing software projects. ( http://plexus.codehaus.org/ )
plexus-velocity : The Plexus project provides a full software stack for creating and executing software projects. ( http://plexus.codehaus.org/ )
ptplot : A Java plotting package ( http://ptolemy.eecs.berkeley.edu/java/${PN}${PV}/ptolemy/plot/doc/index.htm )
sablevm : A robust, clean, extremely portable, efficient, and specification-compliant Java virtual machine. ( http://sablevm.org/ )
sat4j-core : Lightweight constraint programming with a SAT solver ( http://www.sat4j.org/ )
sat4j-pseudo : Pseudo Boolean solvers ( http://www.sat4j.org/ )
saxon : The SAXON package is a collection of tools for processing XML documents: XSLT processor, XSL library, parser. ( http://saxon.sourceforge.net/ )
scout : Apache Scout is an implementation of the JSR 93 (JAXR) ( http://ws.apache.org/scout/index.html )
seda : A robust, high-performance platform for Internet services ( http://www.eecs.harvard.edu/~mdw/proj/seda/ )
sequence : Helper library for SVNKit ( http://svnkit.com/ )
sinjdoc : A javadoc compatible Java source documentation generator. ( http://www.cag.lcs.mit.edu/~cananian/Projects/GJ/ )
smoothmetal : A wrapper for some of Sun's Java Look and Feels to enable anti-aliasing. ( http://smoothmetal.sourceforge.net/ )
snmptrapappender : An appender to send logging event strings to a specified managment host ( http://www.m2technologies.net/asp/snmpTrapAppender.asp )
spice-jndikit : JNDI Kit is a toolkit designed to help with the construction of JNDI providers. ( http://spice.codehaus.org/ )
spring : Spring is a layered Java/J2EE application framework, based on code published in Expert One-on-One J2EE Design and Development by Rod Johnson (Wrox, 2002). ( http://www.springframework.org/ )
spring-xml : Spring tools for using Castor XML ( http://www.castor.org )
strecks : A set of extensions to the Struts web development framework aimed at Java 5 users. ( http://strecks.sourceforge.net/ )
stripes : A java presentation framework for building web applications ( http://stripes.mc4j.org/confluence/display/stripes/Home )
struts : A powerful Model View Controller Framework for JSP/Servlets ( http://struts.apache.org/ )
sun-ejb-spec : Sun's Enterprise Java Beans specification ( http://java.sun.com/products/ejb/ )
sun-jdbc-rowset-bin : JDBC Rowset for Java releases prior to 1.5 ( http://java.sun.com/products/jdbc/ )
swing-worker : Java 1.6 SwingWorker backport for Java 1.5 ( https://swingworker.dev.java.net )
swingx : A collection of powerful, useful, and just plain fun Swing components. ( http://swinglabs.org/index.jsp )
swingx-ws : SwingX-WS contains a set of JavaBeans for interacting with we ( https://swingx-ws.dev.java.net )
taglibrarydoc : Utility for automatically generating javadoc-style documentation for JavaServer Pages Technology Tag Libraries ( https://taglibrarydoc.dev.java.net/ )
testng : TestNG is a testing framework inspired from JUnit and NUnit ( http://testng.org/ )
timingframework : Java Utility and Framework for timing and animations. ( https://timingframework.dev.java.net )
tomcat-jasper : Jasper 2 is the Tomcat JSP Engine ( http://jakarta.apache.org/tomcat )
touchgraph-graphlayout : TouchGraph provides a set of interfaces for graph visualization ( http://touchgraph.sourceforge.net )
trilead-ssh2 : A library that implements the SSH2 protocol in pure Java ( http://www.trilead.com/Products/Trilead_SSH_for_Java/ )
vecmath : Sun J3D: 3D vector math package ( https://vecmath.dev.java.net/ )
velocity-tools : A collection of Velocity subprojects with a common goal of creating tools and infrastructure for building both web and non-web applications using the Velocity template engine. ( http://jakarta.apache.org/velocity/tools/ )
wagon-file : The Wagon API project defines a simple API for transfering resources (artifacts) to and from repositories ( http://maven.apache.org )
wagon-ftp : The Wagon API project defines a simple API for transfering resources (artifacts) to and from repositories ( http://maven.apache.org )
wagon-http : The Wagon API project defines a simple API for transfering resources (artifacts) to and from repositories ( http://maven.apache.org )
wagon-http-lightweight : The Wagon API project defines a simple API for transfering resources (artifacts) to and from repositories ( http://maven.apache.org )
wagon-http-shared : The Wagon API project defines a simple API for transfering resources (artifacts) to and from repositories ( http://maven.apache.org )
wagon-provider-api : The Wagon API project defines a simple API for transfering resources (artifacts) to and from repositories ( )
wagon-ssh : The Wagon API project defines a simple API for transfering resources (artifacts) to and from repositories ( http://maven.apache.org )
wagon-ssh-common : The Wagon API project defines a simple API for transfering resources (artifacts) to and from repositories ( )
wagon-ssh-common-test : The Wagon API project defines a simple API for transfering resources (artifacts) to and from repositories ( http://maven.apache.org )
wagon-ssh-external : The Wagon API project defines a simple API for transfering resources (artifacts) to and from repositories ( http://maven.apache.org )
webwork : An action-based web framework for Java ( http://opensymphony.com/webwork )
werkz : Goal-oriented process framework ( http://werkz.sourceforge.net/ )
ws-commons-util : Utility classes that allow high performance XML processing based on SAX ( http://ws.apache.org/commons/util/ )
ws-policy : Apache WSS4J is an implementation of the OASIS Web Services Security (WS-Security) ( http://ws.apache.org/wss4j/index.html )
wss4j : Apache WSS4J is an implementation of the OASIS Web Services Security (WS-Security) ( http://ws.apache.org/wss4j/index.html )
xapool : XAPool is an open source XA Pool ! ( http://xapool.experlog.com/ )
xbeans : Software component that takes XML as input and processes it in some fashion ( http://www.xbeans.org )
xerces : The next generation of high performance, fully compliant XML parsers in the Apache Xerces family ( http://xml.apache.org/xerces2-j/index.html )
xml-security : The XML Security project is aimed at providing implementation o ( http://xml.apache.org/security/Java/index.html )
xmlenc : Performance-optimized XML output library for Java ( http://xmlenc.sourceforge.net/ )
xmlrpc : Apache XML-RPC is a Java implementation of XML-RPC ( http://ws.apache.org/xmlrpc/ )
xwork : A command-pattern framework that is used to power WebWork as well as other applications ( http://opensymphony.com/xwork/ )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a zugaina
For Paludis use this rsync : rsync://gentoo.zugaina.org/zugaina-portage
If you have a problem : ycarus(-at-)zugaina.org