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Created attachment 113048 [details] threaddump Product Version: NetBeans IDE Dev (Build 201111080600) Java: 1.6.0_26; Java HotSpot(TM) 64-Bit Server VM 20.1-b02-383 System: Mac OS X version 10.7.2 running on x86_64; MacRoman; en_US (nb) User directory: /tmp/ud3 Cache directory: /tmp/ud3/var/cache ---------------- - create new java app "test" - create new jframe form into generated package "test" - invoke rename on package "test", rename to e.g. "testRenamed" ---> IDE gets lock up on dialog "File $PATH_TO_FORM was modifies externally, reload it?". No other way than kill IDE. 100% reproducible.
*** This bug has been marked as a duplicate of bug 203477 ***