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.
[1091] Please see to bug #7572, it is the same case. But for extension of class.
*** This bug has been marked as a duplicate of 7572 ***
Resolved for 3.4.x or earlier, no new info since then -> closing.