The issue reported here from September 17th... https://issues.apache.org/jira/browse/COCOON-2302
...is still a problem for me. After adding the daisycms repo AND moving all the versions up from "1.5-dev" to "2.4" I was able to the build a little further. Also mixed in this list is "nekodtd" which I managed to find by downloading the jar from " http://repo1.maven.org/maven2/nekohtml/nekodtd/0.1.11/nekodtd-0.1.11.jar" and installing directly. This still doesn't let me build because tests fail, starting with cocoon-html-sample block. Skipping the tests doesn't provide the "cocoon-serializers-impl" so I'm guessing html serializer is critically affected. For reference, these are the missing artifacts. 1) daisy:daisy-repository-api:jar:1.5-dev 2) daisy:daisy-repository-xmlschema-bindings:jar:1.5-dev 3) nekodtd:nekodtd:jar:0.1.11 4) daisy:daisy-repository-client-impl:jar:1.5-dev 5) daisy:daisy-repository-common-impl:jar:1.5-dev 6) daisy:daisy-repository-spi:jar:1.5-dev 7) daisy:daisy-jmsclient-api:jar:1.5-dev 8) daisy:daisy-htmlcleaner:jar:1.5-dev 9) daisy:daisy-util:jar:1.5-dev This: http://markmail.org/message/eaapichdrctmv5bx Was posted back in May with a reluctant workaround. I looks like 2.2 hasn't been able to build cleanly for months (and if it is for you, try clearing your local repo first and running).