Building Synapse from Source The Synapse source code is available at http://svn.apache.org/viewcvs.cgi/incubator/synapse/trunk/java/ To build Synapse, you will need JDK 1.4.x or 1.5.x., Maven 2 and any of its dependencies. The Synapse JARs could be built with maven 2 as follows: mvn clean install Note: If you encounter any issues with Maven 2 complaining of invalid POMs refer to this -> http://www.nabble.com/forum/ViewPost.jtp?post=7437760&framed=y To build the Synapse assembly, use the following: mvn assembly:assembly -Drelease This would build the source and binary distributions in the target folder. To build the site, use: mvn site