This Bugzilla instance is a read-only archive of historic NetBeans bug reports. To report a bug in NetBeans please follow the project's instructions for reporting issues.
You get missing resource errors when you open the sample presently. If you set the path to the project dependencies in project.properties using a relative path, you won't get this error.
I implemented suggestion and the references are no longer broken after you create the sample app. The fix is checked into NB 6 trunk.