java.lang.AssertionError at org.openide.text.CloneableEditor$DoInitialize.initNonVisual(CloneableEditor.java:628) at org.openide.text.CloneableEditor$DoInitialize.run(CloneableEditor.java:367) at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1452) at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2032) Caused: org.openide.util.RequestProcessor$SlowItem: task failed due to: java.lang.AssertionError at org.openide.util.RequestProcessor$Task.schedule(RequestProcessor.java:1493) at org.openide.text.CloneableEditor$DoInitialize.(CloneableEditor.java:332) at org.openide.text.CloneableEditor.initialize(CloneableEditor.java:248) at org.openide.text.CloneableEditor.componentShowing(CloneableEditor.java:223) at org.netbeans.core.spi.multiview.text.MultiViewCloneableEditor.componentShowing(MultiViewCloneableEditor.java:143) at org.netbeans.core.spi.multiview.text.MultiViewEditorElement.componentShowing(MultiViewEditorElement.java:134) at org.netbeans.core.multiview.MultiViewPeer.peerComponentShowing(MultiViewPeer.java:277) at org.netbeans.core.multiview.MultiViewCloneableTopComponent.componentShowing(MultiViewCloneableTopComponent.java:129) at org.openide.windows.WindowManager.componentShowing(WindowManager.java:339) at org.netbeans.core.windows.WindowManagerImpl.componentShowing(WindowManagerImpl.java:1163) at org.netbeans.core.windows.view.DefaultView.changeGUI(DefaultView.java:168) at org.netbeans.core.windows.ViewRequestor.dispatchRequest(ViewRequestor.java:273) at org.netbeans.core.windows.ViewRequestor.processRequest(ViewRequestor.java:249) at org.netbeans.core.windows.ViewRequestor.postRequest(ViewRequestor.java:187) at org.netbeans.core.windows.ViewRequestor.scheduleRequest(ViewRequestor.java:127) at org.netbeans.core.windows.Central.addModeClosedTopComponent(Central.java:866) at org.netbeans.core.windows.ModeImpl.addClosedTopComponent(ModeImpl.java:366) at org.netbeans.core.windows.ModeImpl.close(ModeImpl.java:284) at org.netbeans.core.windows.WindowManagerImpl.topComponentClose(WindowManagerImpl.java:1284) at org.openide.windows.TopComponent.close(TopComponent.java:561) at org.openide.windows.TopComponent.close(TopComponent.java:548) at org.netbeans.core.windows.actions.ActionUtils.closeAllDocuments(ActionUtils.java:501) at org.netbeans.core.windows.actions.CloseAllDocumentsAction.actionPerformed(CloseAllDocumentsAction.java:92) at org.openide.windows.TopComponent.processKeyBinding(TopComponent.java:1161) at javax.swing.JComponent.processKeyBindings(JComponent.java:2897) at javax.swing.JComponent.processKeyEvent(JComponent.java:2814) at org.openide.explorer.view.TreeView$ExplorerTree.processKeyEvent(TreeView.java:1910) at java.awt.Component.processEvent(Component.java:6065) at java.awt.Container.processEvent(Container.java:2041) at java.awt.Component.dispatchEventImpl(Component.java:4651) at java.awt.Container.dispatchEventImpl(Container.java:2099) at java.awt.Component.dispatchEvent(Component.java:4481) at java.awt.KeyboardFocusManager.redispatchEvent(KeyboardFocusManager.java:1850) at java.awt.DefaultKeyboardFocusManager.dispatchKeyEvent(DefaultKeyboardFocusManager.java:712) at java.awt.DefaultKeyboardFocusManager.preDispatchKeyEvent(DefaultKeyboardFocusManager.java:990) at java.awt.DefaultKeyboardFocusManager.typeAheadAssertions(DefaultKeyboardFocusManager.java:855) at java.awt.DefaultKeyboardFocusManager.dispatchEvent(DefaultKeyboardFocusManager.java:676) at java.awt.Component.dispatchEventImpl(Component.java:4523) at java.awt.Container.dispatchEventImpl(Container.java:2099) at java.awt.Window.dispatchEventImpl(Window.java:2478) at java.awt.Component.dispatchEvent(Component.java:4481) at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:643) at java.awt.EventQueue.access$000(EventQueue.java:84) at java.awt.EventQueue$1.run(EventQueue.java:602) at java.awt.EventQueue$1.run(EventQueue.java:600) at java.security.AccessController.doPrivileged(AccessController.java:0) at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:87) at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:98) at java.awt.EventQueue$2.run(EventQueue.java:616) at java.awt.EventQueue$2.run(EventQueue.java:614) at java.security.AccessController.doPrivileged(AccessController.java:0) at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:87) at java.awt.EventQueue.dispatchEvent(EventQueue.java:613) at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:158) at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269) at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184) at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:174) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:169) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:161) at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)