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This bug was originally marked as duplicate of bug 234635, that is already resolved. This bug is still valid, so this seems to be another bug, but it might be related. Build: NetBeans IDE 7.4 (Build 20131101-452237383de6) VM: Java HotSpot(TM) 64-Bit Server VM, 24.0-b56, Java(TM) SE Runtime Environment, 1.7.0_40-b43 OS: Linux User Comments: vv159170: Ctrl+Tab to switch between java files Maximum slowness yet reported was 21647 ms, average is 21647
Created attachment 141850 [details] nps snapshot
This old bug may not be relevant anymore. If you can still reproduce it in 8.2 development builds please reopen this issue. Thanks for your cooperation, NetBeans IDE 8.2 Release Boss