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I get this very often when I delete an svn file from Favorites. Sometimes I get an exc, sometimes the IDE hangs completely and I have to kill it. Build: NetBeans IDE Dev (Build 200809250201) VM: Java HotSpot(TM) 64-Bit Server VM, 10.0-b23, Java(TM) SE Runtime Environment, 1.6.0_07-b06 OS: Linux, 2.6.25.16-0.1-default, amd64 User comments: STACKTRACE: (first 10 lines) java.lang.AssertionError: visnodes.size()=22 snapshot.size()=21 at org.openide.explorer.view.VisualizerChildren.recomputeIndexes(VisualizerChildren.java:88) at org.openide.explorer.view.VisualizerChildren.added(VisualizerChildren.java:227) at org.openide.explorer.view.VisualizerEvent$Added.run(VisualizerEvent.java:107) at org.openide.util.Mutex.readAccess(Mutex.java:362) at org.openide.explorer.view.VisualizerNode$QP.run(VisualizerNode.java:708) at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209) at java.awt.EventQueue.dispatchEvent(EventQueue.java:597) at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:104) at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:273) at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:183)
*** This issue has been marked as a duplicate of 148168 ***