You will see the following error when building 2.5 using maven 2.2.1:
INFO] ------------------------------------------------------------------------
[INFO] Building ModeShape Maven Classloader
[INFO] task-segment: [clean, install]
[INFO] ------------------------------------------------------------------------
...
INFO] ------------------------------------------------------------------------
[ERROR] BUILD ERROR
[INFO] ------------------------------------------------------------------------
[INFO] Error reading assemblies: Descriptor with ID 'classloader-with-dependencies' not found
After installing maven 3, I was able to build.
