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Build: NetBeans IDE 8.0.2 (Build 201411181905) VM: Java HotSpot(TM) 64-Bit Server VM, 24.55-b03, Java(TM) SE Runtime Environment, 1.7.0_55-b13 OS: Windows 7 User Comments: GUEST: loading project and pulling from git genkabuki: Editing C source files. There was a lengthy file operation dialog before I noticed the exception icon in the tray. IrianR: doing an hg revert. peppertech: Not quite sure what caused this. I was working in an HTML5 project and editing a CSS file. It had referemces to some images in the css that I moved in the navigator and changed the url reference in the CSS file. After closing the css editor window, this error was thrown GUEST: opening a simple js file Stacktrace: java.util.ConcurrentModificationException at java.util.WeakHashMap$HashIterator.nextEntry(WeakHashMap.java:882) at java.util.WeakHashMap$EntryIterator.next(WeakHashMap.java:921) at java.util.WeakHashMap$EntryIterator.next(WeakHashMap.java:919) at org.openide.text.DocumentOpenClose.updateLines(DocumentOpenClose.java:506) at org.openide.text.DocumentOpenClose$DocumentLoad.run(DocumentOpenClose.java:678) at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1423)
Created attachment 151168 [details] stacktrace
Created attachment 154473 [details] stacktrace I think I was from NetBeans deleting a project with delete source folder and quite at the same time deleting the file system folder of this project
Through our investigation, we found that the following changes may induced this bug: rank revision suspicious value 1 a6b6e3cf36a4(http://hg.netbeans.org/main/rev/a6b6e3cf36a4) 0.9797870067530978 2 4fad7eb90bc3(http://hg.netbeans.org/main/rev/4fad7eb90bc3) 0.9161428520276232 3 128de1eb603d(http://hg.netbeans.org/main/rev/128de1eb603d) 0.8970777209045951 4 8870deb3cd89(http://hg.netbeans.org/main/rev/8870deb3cd89) 0.7142063175515811 5 5dba9a849542(http://hg.netbeans.org/main/rev/5dba9a849542) 0.6945613488835368 6 eb3284d7cede(http://hg.netbeans.org/main/rev/eb3284d7cede) 0.6842340463976331 7 65e2ecb7ed51(http://hg.netbeans.org/main/rev/65e2ecb7ed51) 0.5740045447006007 8 3a8956d1bfd7(http://hg.netbeans.org/main/rev/3a8956d1bfd7) 0.4690910679212205 9 a588201d9479(http://hg.netbeans.org/main/rev/a588201d9479) 0.41417042900832507 10 f1ada0839f06(http://hg.netbeans.org/main/rev/f1ada0839f06) 0.32523927477444187 11 c2d3d1b7cb10(http://hg.netbeans.org/main/rev/c2d3d1b7cb10) 0.3232411894339954 12 1a09ded920db(http://hg.netbeans.org/main/rev/1a09ded920db) 0.31143082233051894 13 eefe8ba954b4(http://hg.netbeans.org/main/rev/eefe8ba954b4) 0.2494234292729373 14 a5addb20f14b(http://hg.netbeans.org/main/rev/a5addb20f14b) 0.24853196216218815 15 b7d96523b509(http://hg.netbeans.org/main/rev/b7d96523b509) 0.22256624450628826 Hope it is useful for fixing this bug. If so, please help us conduct this short survey https://docs.google.com/forms/d/1roQYX1dHezcB97KQ_iTKEtadaVbzK6FpU-6aGxeUo6M :) Thanks very much!