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Java Developer Kit (JDK)

You will need a JDK 1.4.2+ (J2SE 1.4.2+) or compatible JDK to build Groovy.

Apache Ant

To execute the build process you need to have Apache Ant version 1.7.0 (or newer) installed.


The optional TraX taskdefs are required, and some linux distributions, such as openSUSE, may require you to install them separately from the ant packages.

Subversion Client

To fetch the source code for the server, you will need to have a Subversion client version 1.2 (or newer, 1.4 is recommended) installed.


If you are using a source archive from the distribution site site, then you do not need to have a Subversion client installed.

Fetch the Groovy Source Code

From Subversion

There are many different protocols available to access the Groovy source code. For the complete list see the source repository details for the project.

svn co

From a Source Archive

Select one of the *-src.* archives from the distribution site site and unzip it.

For example, to use the source from the Groovy 1.1-beta-2 release:


Preparing to Build for the First Time

If you are behind a proxy firewall, you may need to set up proxy information in a ~/.ant/settings.xml or ~/.m2/settings.xml file:

If you will need to publish artifacts then you will need to have appropriate permissions with codehaus and ensure that you have stored your credentials in a ~/.ant/settings.xml or ~/.m2/settings.xml file of the form:


To build everything, run tests and create a complete installation in target/install, run:

ant install

Useful Information


In case of java.lang.OutOfMemoryError try increasing the size of the heap space by setting the ANT_OPTS variable as follows:


Increase the size of the heap size if required.

After this finished successfully, then you can try out the distribution that was just built. For example to play with groovysh you can run:


Sometimes its desirable to skip the test execution for faster turn around. To turn off tests set the skipTests property, as in:

ant install -DskipTests=true

Distribution Archives

To build a Groovy distribution archive:

ant dist

This will build everything, generate documentation and create distribution archives under target/dist:


As you might have guessed VERSION will be the version of the project you are building, like 1.1-beta-2-SNAPSHOT for pre-releases or 1.1-beta-2 for a released version.

Publishing Artifacts

To publish artifacts to the Maven 2 repository, run:

ant deploy

This will either publish to the release repository or the snapshot repository based on whether the POM version contains SNAPSHOT or not.

If deploy is failing, then check Installing the UserTrust CA into the Java JDK.

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