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Build: NetBeans IDE 6.8 (Build 200912041610) VM: Java HotSpot(TM) Client VM, 14.2-b01, Java(TM) SE Runtime Environment, 1.6.0_16-b01 OS: Linux, 2.6.28-17-generic, i386 User Comments: GUEST: Die IDE wurde neu gestartet GUEST: Right-click on a project GUEST: Open large web.xml Maximum slowness yet reported was 111656 ms, average is 36654
Created attachment 93016 [details] nps snapshot
Slowness happens because of slow HttpURLConnection.
The IDE gets stuck when I was changing web.xml schema definition. Maybe there is some check for schema definition (probably using HttpURLConnection) which should run outside of EDT?
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