Code Quality Rank: L2
Programming language: Java
License: Apache License 2.0
Tags: LDAP    
Latest version: v2.0.0.v20200411

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Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE file distributed with this work for additional information regarding copyright ownership. The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at


Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

Apache Directory Studio (TM)

The Eclipse-based LDAP browser and directory client.

Apache Directory Studio is a complete directory tooling platform intended to be used with any LDAP server however it is particularly designed for use with ApacheDS. It is an Eclipse RCP application, composed of several Eclipse (OSGi) plugins, that can be easily upgraded with additional ones. These plugins can even run within Eclipse itself.

Build from command line


  • JDK 8 or newer
  • Maven 3 or newer
  • Sufficient heap space for Maven: export MAVEN_OPTS="-Xmx512m"


You can use either of those two methods to build the project :

Do it manually

Build the 'Eclipse Target Platform' and generate MANIFEST.MF files first

mvn -f pom-first.xml clean install

Build the main eclipse artifacts using Tycho

mvn clean install
Use the script (which runs the two previous commands)

On Linux / macOS :

$ ./build.sh

or on Windows :

> build.bat


  • Unit tests included in src/test/java of each plugin are executed automatically and run in 'test' phase
  • Core integration tests in tests/test.integration.core are executed automatically and run in 'integration-test' phase
  • UI integration tests based on SWTBot in tests/test.integration.ui are disabled by default. They can be enabled with -Denable-ui-tests. A failing test generates a screenshot. To not block the developer computer they can run within a virtual framebuffer:

    export DISPLAY=:99 Xvfb :99 -screen 0 1024x768x16 &

  • Some UI integration tests expect a running OpenLDAP server and are skipped otherwise:

    docker run -it --rm -p 20389:389 -p 20636:636 --name openldap osixia/openldap:1.3.0

Build issues

Tycho doesn't handle snapshot dependencies well. The first time a snapshot dependency is used within the build it is cached in ~/.m2/repository/p2. Afterwards any change in the dependency (e.g. ApacheDS or LDAP API) is not considered unless it is deleted from the cache.

To delete all Apache Directory related snapshots run:

rm -rf ~/.m2/repository/p2/osgi/bundle/org.apache.directory.*

Setup Eclipse workspace

Recommended IDE is 'Eclipse for RCP and RAP Developers': https://www.eclipse.org/downloads/packages/

  1. Import 'Eclipse Target Platform' project first
* File -> Import... -> Maven -> Existing Maven Projects
* Choose 'studio/eclipse-trgt-platform' as root directory
* Only this single project is selected
* Finish
  1. Initialize target platform
* Open the `eclipse-trgt-platform.target` file with the 'Target Editor'
* Wait for the target platform to initialize, this takes multiple minutes!
  1. Import the main plugins
* File -> Import... -> Maven -> Existing Maven Projects
* Chosse 'studio' as root directory
* All the plugins are selected
* Finish

During import some Maven plugin connectors need to be installed, accept the installation and restart.


From command line

The build produces binaries for all platforms. Archived versions can be found in product/target/products/, unpacked versions can be found below product/target/products/org.apache.directory.studio.product

Within Eclipse

  • Open the product configuration 'org.apache.directory.studio.product' with the Product Configuration Editor
  • Click the link 'Launch an Eclipse application'



The root directory contains LICENSE and NOTICE files for the source distribution. The product directory contains LICENSE and NOTICE files for the binary distributions, including licenses for bundled dependencies.

Release artifacts

We release the following artifacts:

  • Source zip (the main artifact we vote on)
  • Maven artifacts
    • poms
    • plugins: pom, jar, javadoc, src
    • features: pom, jar, src
    • helps: pom, jar, src
  • P2 repositories
    • the main features (LDAP Browser, Schema Editor, ApacheDS)
    • dependencies
  • Product archives and installers for
    • Linux GTK 64bit tar.gz
    • maxOS 64bit dmg
    • Windows 64bit exe installer and zip
  • Userguides

Signing keys

Define the PGP key used to sign the artifacts and the Apple signing ID used to sign the DMG:

export RELEASE_KEY=28686142

Note: those are Stefan's keys, replace with your own.


Update the copyright year. Full text search/replace "2006-2020". Also change in plugins/rcp/src/main/resources/splash.bmp image.

Test the release build: rat check, javadoc and source jar generation, installer generation, GPG signing, userguide generation:

mvn -f pom-first.xml clean install
mvn -Papache-release,windows,macos -Duserguides clean install

Note: During creation of the macOS installer (DMG) the ApacheDirectoryStudio.app is signed with the ASF "Developer ID Application" key. See https://issues.apache.org/jira/browse/INFRA-16978 for the process to get one.

Test the build and sign process for distribution packages:

cd dist

Test the distribution packages:

  • Test generated bin archives, installers, and update site (if possible on all platforms).
  • Review generated user guides (pdf, html, Eclipse help)
  • Review the generated source archive
  • Verify signatures and checksums

Run UI tests (if possible on all platforms):

mvn clean install -Denable-ui-tests

Release build steps

As Tycho doesn't support the maven-release-plugin the release process is as follows:

Define release version

We use a release number scheme that suites for both, Maven and Eclipse.


Example for milestone version: 2.0.0.v20150529-M9. Example for GA version: 2.0.1.v20150529.

Define a variable for later use:

export VERSION=2.0.0.v20150529-M9
Create and checkout branch
git checkout -b $VERSION-prepare
git push origin $VERSION-prepare
Remove OpenLDAP feature

As long as the org.apache.directory.studio.openldap.feature is not ready for release it needs to be removed from product/org.apache.directory.studio.product.

Set the version and commit
find . -name pom-first.xml | xargs sed -i 's/2.0.0-SNAPSHOT/'$VERSION'/'
find . -name pom-first.xml | xargs sed -i 's/2.0.0.qualifier/'$VERSION'/'
sed -i 's/2.0.0-SNAPSHOT/'$VERSION'/' pom.xml
mvn -f pom-first.xml clean install
git checkout pom.xml
mvn org.eclipse.tycho:tycho-versions-plugin:1.2.0:set-version -DnewVersion=$VERSION
git commit -am "Set version number for release $VERSION"
git push origin $VERSION-prepare
Create the release tag
git tag $VERSION
git push origin $VERSION
Clone the repo and checkout the tag into a fresh directory

Run the actual release within a fresh checkout to ensure no previous build artifacts are used.

mkdir studio-release
cd studio-release
git clone https://gitbox.apache.org/repos/asf/directory-studio.git .
git checkout $VERSION
Build the release and deploy to staging Nexus repository
mvn -f pom-first.xml clean install
mvn -Papache-release,windows,macos -Duserguides -DretryFailedDeploymentCount=3 clean deploy
Close the staging Nexus repository

See https://repository.apache.org/#stagingRepositories

Package and sign distribution packages

There is a script that collects and signs all update sites and distribution packages.

Run the dist script:

cd dist

Afterwards all distribution packages and user guides are located in target.

Upload the distribution packages to SVN
cd target/dist/$VERSION
svn mkdir https://dist.apache.org/repos/dist/dev/directory/studio/$VERSION -m "Create dev area for release $VERSION"
svn co https://dist.apache.org/repos/dist/dev/directory/studio/$VERSION .
svn add *
svn commit -m "Add release $VERSION"
cd ../../..
Upload the user guides to SVN
cd target/ug/$VERSION
svn mkdir https://svn.apache.org/repos/infra/websites/production/directory/content/studio/users-guide/$VERSION -m "Create user guides area for release $VERSION"
svn co https://svn.apache.org/repos/infra/websites/production/directory/content/studio/users-guide/$VERSION .
svn add *
svn commit -m "Add release $VERSION"
cd ../../..

Note 1: This publishes the user guides directly to the production CMS!

Note 2: In content/extpaths.txt the parent folder is already whitelisted.

Call the vote

Start the vote.


After successful vote publish the artifacts.

Release artifacts in Nexus.

Move distribution packages from dev area to release:

svn mv https://dist.apache.org/repos/dist/dev/directory/studio/$VERSION https://dist.apache.org/repos/dist/release/directory/studio/$VERSION -m "Release $VERSION"

Wait 24h for mirror rsync.

Update site

The update site https://svn.apache.org/repos/asf/directory/site/trunk/content/studio/update needs to be updated.

In the following files

  • compositeArtifacts--xml.html
  • compositeContent--xml.html
  • product/compositeArtifacts--xml.html
  • product/compositeContent--xml.html

change the location path to the new release and also update the p2.timestamp to the current timestamp milliseconds (hint: date +%s000)


Update news and download links

  • lib/path.pm: $version_studio and $version_studio_name
  • content/index.mdtext: version string
  • content/studio/changelog.mdtext
  • content/studio/news.mdtext
  • content/studio/users-guide.mdtext
Eclipse Marketplace

Update entry in Eclipse Marketplace: https://marketplace.eclipse.org/content/apache-directory-studio

Also test to install the plugins from marketplace.

Mac Ports

Update entry in Mac Ports: https://ports.macports.org/port/directory-studio

Update Apache Reporter

Add release to https://reporter.apache.org/?directory

Send announce email

Send the release announce email.


Delete old releases from https://dist.apache.org/repos/dist/release/directory/studio/, ensure they were already archived to https://archive.apache.org/dist/directory/studio/.

Misc tips and tricks

How to search features, plugins, versions in P2 repo?


Start OSGi console:

ss p2.console
felix:start -t 999

List all IUs within a repository:

provliu http://download.eclipse.org/eclipse/updates/4.15/

*Note that all licence references and agreements mentioned in the Apache Directory Studio README section above are relevant to that project's source code only.