"scott.stark(a)jboss.org" wrote : I don't think the usage had come up yet. | It did now (see JBossPortal forum). :-) And I already added the missing metadata locations methods - append, prepend, remove. "scott.stark(a)jboss.org" wrote : | Relying on modifiable return values is not a good api. | You mean the append, prepend methods or direct collection ref returned? I already changed getClassPath/MetaDataLocations to return unmodifiable collection. I also deprecated VFSDeploymentUnit::setClassPath and added removeClassPath(VirtualFile... files) instead. The setters should *not* exist on the user/client view. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4204429#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...