Product Version = NetBeans IDE Dev (Build 201309240002)
Operating System = Windows 7 version 6.1 running on amd64
Java; VM; Vendor = 1.7.0_40
Runtime = Java HotSpot(TM) 64-Bit Server VM 24.0-b56
whole between two entries. It seems the distance is calculated false (no file missing in between)
see attached pic.
After collapsing and expanding the view is restored correct.
Created attachment 140434 [details]
Project tree with false distance
*** Bug 237105 has been marked as a duplicate of this bug. ***
See also the stracktrace and image at https://netbeans.org/bugzilla/show_bug.cgi?id=237105#c0
Can you please clarify, which JDK version do you use?
And provide messages.log file?
If you use JDK 1.7.0_40, this is most probably NOT a duplicate of issue #237105, where JDK 1.7.0_25 was used.
please attach the messages.log when you see this again: http://wiki.netbeans.org/FaqLogMessagesFile