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Created attachment 117038 [details] Project that exhibits the problem. Move jSlider up causes jFrame todoubles in length.
See attached project. See video to reproduce. http://youtu.be/mCXVrIw-d7E Product Version: NetBeans IDE Dev (Build 201203210400) Java: 1.7.0_03; Java HotSpot(TM) Client VM 22.1-b02 System: Windows Vista version 6.0 running on x86; Cp1252; en_US (nb)
Also, there are some phantom fields that show up on the upper left corner of form. The phantom artifacts is regression, so I am marking this P2.
I was able to reproduce the described problems using the attached project. There are two independent problems: the unexpected changes in the layout and the incorrect painting. I have created a separate issue for the painting problem (issue 210351) and will keep this issue for tracking of the layout problem only.