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This bug was originally marked as duplicate of bug 181584, that is already resolved. This bug is still valid, so this seems to be another bug, but it might be related. Build: NetBeans IDE 8.1 (Build 201510222201) VM: Java HotSpot(TM) 64-Bit Server VM, 25.72-b15, Java(TM) SE Runtime Environment, 1.8.0_72-b15 OS: Windows 7 User Comments: GUEST: simple code debugging caused slowness after Netbeans update Maximum slowness yet reported was 22000 ms, average is 22000
Created attachment 159201 [details] nps snapshot
The whole time in AWT is spent in sun.awt.Win32GraphicsDevice.isPixFmtSupported[native]() *** This bug has been marked as a duplicate of bug 227232 ***