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This bug was originally marked as duplicate of bug 174225, that is already resolved. This bug is still valid, so this seems to be another bug, but it might be related. Build: NetBeans IDE 7.3 RC2 (Build 201302050851) VM: Java HotSpot(TM) 64-Bit Server VM, 20.1-b02, Java(TM) SE Runtime Environment, 1.6.0_26-b03 OS: Linux User Comments: GUEST: Clicking tabs in the options and plugins dialogs. Quad core, 6GB RAM. Maximum slowness yet reported was 35381 ms, average is 35381
Created attachment 131176 [details] nps snapshot
there is only 1 invocation of painting of some tabbed pane in awt which takes 25s - doesn't seem to be anything in NB