Attempting a framework build gives me:

buckett@macbook:~/sakai/repo/sakai-trunk$ mvn -Pframework validate
[INFO] Scanning for projects...
[INFO] ------------------------------------------------------------------------ [ERROR] FATAL ERROR
[INFO] ------------------------------------------------------------------------ [INFO] Error building POM (may not be this project's POM).

Project ID: unknown

Reason: Could not find the model file '/Users/buckett/sakai/repo/sakai-trunk/archive/archive-api/api'. for project unknown

[INFO] ------------------------------------------------------------------------ [INFO] Trace
org.apache.maven.reactor.MavenExecutionException: Could not find the model file '/Users/buckett/sakai/repo/sakai-trunk/archive/archive-api/api'. for project unknown
at org.apache.maven.DefaultMaven.getProjects(DefaultMaven.java:378)
at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:292)
at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:129)
at org.apache.maven.cli.MavenCli.main(MavenCli.java:301)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.codehaus.classworlds.Launcher.launchEnhanced(Launcher.java:315)
at org.codehaus.classworlds.Launcher.launch(Launcher.java:255)
at org.codehaus.classworlds.Launcher.mainWithExitCode(Launcher.java:430)
at org.codehaus.classworlds.Launcher.main(Launcher.java:375)
Caused by: org.apache.maven.project.ProjectBuildingException: Could not find the model file '/Users/buckett/sakai/repo/sakai-trunk/archive/archive-api/api'. for project unknown
at org.apache.maven.project.DefaultMavenProjectBuilder.readModel(DefaultMavenProjectBuilder.java:1556)
at org.apache.maven.project.DefaultMavenProjectBuilder.buildFromSourceFileInternal(DefaultMavenProjectBuilder.java:503)
at org.apache.maven.project.DefaultMavenProjectBuilder.build(DefaultMavenProjectBuilder.java:197)
at org.apache.maven.DefaultMaven.getProject(DefaultMaven.java:583)
at org.apache.maven.DefaultMaven.collectProjects(DefaultMaven.java:461)
at org.apache.maven.DefaultMaven.collectProjects(DefaultMaven.java:534)
at org.apache.maven.DefaultMaven.getProjects(DefaultMaven.java:365)
... 11 more
Caused by: java.io.FileNotFoundException: /Users/buckett/sakai/repo/sakai-trunk/archive/archive-api/api (No such file or directory)
at java.io.FileInputStream.open(Native Method)
at java.io.FileInputStream.<init>(FileInputStream.java:106)
at hidden.org.codehaus.plexus.util.xml.XmlReader.<init>(XmlReader.java:124)
at hidden.org.codehaus.plexus.util.xml.XmlStreamReader.<init>(XmlStreamReader.java:67)
at hidden.org.codehaus.plexus.util.ReaderFactory.newXmlReader(ReaderFactory.java:113)
at org.apache.maven.project.DefaultMavenProjectBuilder.readModel(DefaultMavenProjectBuilder.java:1551)
... 17 more
[INFO] ------------------------------------------------------------------------ [INFO] Total time: 1 second
[INFO] Finished at: Tue Nov 10 17:20:11 GMT 2009
[INFO] Final Memory: 5M/160M
[INFO] ------------------------------------------------------------------------