If you ever need to compile Quercus from source and install it into your local Maven repository, this post is just for you. You need to have Subversion (or Git), Maven and Ant installed. Here are the steps: svn co svn://svn.caucho.com/home/svn/svnroot/resin/trunk resin cd resin ant quercus.war mvn install:install-file -Dfile=dist/quercus-4_0-snap.war -DgroupId=com.caucho -DartifactId=quercus -Dversion=4.0-SNAPSHOT -Dpackaging=war Some time ago I had to download the Resin/Quercus source f [...]