You can use one of three methods below to connect to the project CVS repository (Check Out only) :
CVS command lines below
cvs -d:pserver:anonymous@context-hau.cvs.sourceforge.net:/cvsroot/context-hau login
cvs -z3 -d:pserver:anonymous@context-hau.cvs.sourceforge.net:/cvsroot/context-hau co -P CHAU
To get source from installer binary, you can donwload last installer binaries and check instalaltion of project sources during installation, like this
A directory named projectSrc will be created in installation directory, this one contain structure used by Maven2 to manage project.