Subversion
The sourcefiles are now stored using Subversion (see
http://subversion.tigris.org/ and
http://svnbook.red-bean.com/)
Anonymous access
svn checkout
http://svn.apache.org/repos/asf/lucene/java/trunk lucene/java/trunk
Commit access
See
http://www.apache.org/dev/version-control.html for details on getting a username/password
svn checkout
https://svn.apache.org/repos/asf/lucene/java/trunk lucene/java/trunk