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[IAN] Probably fixed Exception occurred during event dispatching: java.lang.IllegalArgumentException: 0 TestWindow = TestWindow 1 null = --- at org.openide.nodes.NodeOp.computePermutation(NodeOp.java:302) at org.openide.nodes.Children$1$Updator.run(Children.java:1345) at org.openide.util.Mutex.doEvent(Mutex.java:455) at org.openide.util.Mutex.writeAccess(Mutex.java:240) at org.openide.nodes.Children$Keys.setKeys(Children.java:1389) at org.openide.nodes.Children$Keys.setKeys(Children.java:1398) at org.openide.nodes.FilterNode$Children.updateKeys(FilterNode.java:746) at org.openide.nodes.FilterNode$Children.filterChildrenRemoved(FilterNode.java:725) at org.openide.nodes.FilterNode$ChildrenAdapter.childrenRemoved(FilterNode.java:794) at org.openide.nodes.Node.fireSubNodesChange(Node.java:518) at org.openide.nodes.Children$3.run(Children.java:359) at org.openide.util.Mutex.doEvent(Mutex.java:455) at org.openide.util.Mutex.writeAccess(Mutex.java:240) at org.openide.nodes.Children.remove(Children.java:307) at org.openide.nodes.Children.remove(Children.java:292) at org.openide.nodes.Children$Array.remove(Children.java:745) at com.netbeans.developer.modules.loaders.form.FormEditorSupport.notifyClose(FormEditorSupport.java:182) at com.netbeans.developer.modules.loaders.java.JavaEditor$JavaEditorComponent.closeLast(JavaEditor.java:717) at org.openide.windows.CloneableTopComponent$Ref.unregister(CloneableTopComponent.java:216) at org.openide.windows.CloneableTopComponent.canClose(CloneableTopComponent.java:103) at org.openide.text.EditorSupport$Editor.canClose(EditorSupport.java:967)
Priority is changed to P4 (normal).
Resolved for 3.4.x or earlier, no new info since then -> verify.
Resolved for 3.4.x or earlier, no new info since then -> closing.