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This issue was reported manually by hmichel. It already has 8 duplicates Build: NetBeans IDE Dev (Build 101130-225e523337b0) VM: Java HotSpot(TM) Client VM, 16.3-b01, Java(TM) SE Runtime Environment, 1.6.0_20-b02 OS: Linux User Comments: GUEST: configure the netbeans environment (without an open project) GUEST: Data about Editor and Colors preferences was saved and a snapshot of the IDE was taken. Maximum slowness yet reported was 9641 ms, average is 5347
Created attachment 103511 [details] nps snapshot
It looks like slowness is from XML Reader.
*** Bug 195479 has been marked as a duplicate of this bug. ***
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