java.lang.IllegalStateException
	at org.openide.text.CloneableEditorSupport.prepareDocument(CloneableEditorSupport.java:595)
	at org.openide.text.CloneableEditor$DoInitialize.initNonVisual(CloneableEditor.java:377)
	at org.openide.text.CloneableEditor$DoInitialize.run(CloneableEditor.java:320)
	at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:602)
	at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:1084)
Caused: org.openide.util.RequestProcessor$SlowItem: task failed due to
	at org.openide.util.RequestProcessor$Task.schedule(RequestProcessor.java:655)
	at org.openide.text.CloneableEditor$DoInitialize.<init>(CloneableEditor.java:287)
	at org.openide.text.CloneableEditor.initialize(CloneableEditor.java:222)
	at org.openide.text.CloneableEditor.componentShowing(CloneableEditor.java:198)
	at org.openide.windows.WindowManager.componentShowing(WindowManager.java:332)
	at org.netbeans.core.windows.WindowManagerImpl.componentShowing(WindowManagerImpl.java:1022)
	at org.netbeans.core.windows.view.DefaultView.changeGUI(DefaultView.java:161)
	at org.netbeans.core.windows.ViewRequestor.dispatchRequest(ViewRequestor.java:269)
	at org.netbeans.core.windows.ViewRequestor.processRequest(ViewRequestor.java:245)
	at org.netbeans.core.windows.ViewRequestor.postRequest(ViewRequestor.java:183)
	at org.netbeans.core.windows.ViewRequestor.scheduleRequest(ViewRequestor.java:123)
	at org.netbeans.core.windows.Central.addModeOpenedTopComponent(Central.java:764)
	at org.netbeans.core.windows.ModeImpl.addOpenedTopComponent(ModeImpl.java:311)
	at org.netbeans.core.windows.WindowManagerImpl.topComponentOpenAtTabPosition(WindowManagerImpl.java:1080)
	at org.netbeans.core.windows.WindowManagerImpl.topComponentOpen(WindowManagerImpl.java:1047)
	at org.openide.windows.TopComponent.open(TopComponent.java:434)
	at org.openide.windows.TopComponent.open(TopComponent.java:425)
	at org.openide.windows.CloneableOpenSupport.openCloneableTopComponent(CloneableOpenSupport.java:199)
	at org.openide.windows.CloneableOpenSupport$1.run(CloneableOpenSupport.java:98)
	at org.openide.util.Mutex.doEvent(Mutex.java:1335)
	at org.openide.util.Mutex.writeAccess(Mutex.java:452)
	at org.openide.windows.CloneableOpenSupport.open(CloneableOpenSupport.java:95)
	at org.openide.text.CloneableEditorSupport.open(CloneableEditorSupport.java:463)
	at org.openide.awt.ActionDefaultPerfomer.actionPerformed(ActionDefaultPerfomer.java:67)
	at org.openide.awt.ContextAction$Performer.actionPerformed(ContextAction.java:223)
	at org.openide.awt.ContextManager.actionPerformed(ContextManager.java:241)
	at org.openide.awt.ContextAction.actionPerformed(ContextAction.java:106)
	at org.netbeans.modules.openide.util.ActionsBridge$ActionRunnable$1.run(ActionsBridge.java:108)
	at org.netbeans.modules.openide.util.ActionsBridge.implPerformAction(ActionsBridge.java:83)
	at org.netbeans.modules.openide.util.ActionsBridge.doPerformAction(ActionsBridge.java:67)
	at org.openide.awt.GeneralAction$DelegateAction.actionPerformed(GeneralAction.java:218)
	at org.netbeans.modules.openfile.DefaultOpenFileImpl.open(DefaultOpenFileImpl.java:571)
	at org.netbeans.modules.openfile.OpenFile.open(OpenFile.java:72)
	at org.netbeans.modules.openfile.RecentFileAction.actionPerformed(RecentFileAction.java:212)
	at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1995)
	at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2318)
	at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:387)
	at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:242)
	at javax.swing.AbstractButton.doClick(AbstractButton.java:357)
	at javax.swing.plaf.basic.BasicMenuItemUI.doClick(BasicMenuItemUI.java:1225)
	at javax.swing.plaf.basic.BasicPopupMenuUI$Actions.doReturn(BasicPopupMenuUI.java:439)
	at javax.swing.plaf.basic.BasicPopupMenuUI$Actions.actionPerformed(BasicPopupMenuUI.java:413)
	at javax.swing.SwingUtilities.notifyAction(SwingUtilities.java:1636)
	at javax.swing.JComponent.processKeyBinding(JComponent.java:2851)
	at javax.swing.KeyboardManager.fireBinding(KeyboardManager.java:267)
	at javax.swing.KeyboardManager.fireKeyboardAction(KeyboardManager.java:216)
	at javax.swing.JComponent.processKeyBindingsForAllComponents(JComponent.java:2928)
	at javax.swing.JComponent.processKeyBindings(JComponent.java:2920)
	at javax.swing.JComponent.processKeyEvent(JComponent.java:2814)
	at java.awt.Component.processEvent(Component.java:6040)
	at java.awt.Container.processEvent(Container.java:2041)
	at java.awt.Component.dispatchEventImpl(Component.java:4630)
	at java.awt.Container.dispatchEventImpl(Container.java:2099)
	at java.awt.Component.dispatchEvent(Component.java:4460)
	at java.awt.KeyboardFocusManager.redispatchEvent(KeyboardFocusManager.java:1848)
	at java.awt.DefaultKeyboardFocusManager.dispatchKeyEvent(DefaultKeyboardFocusManager.java:704)
	at java.awt.DefaultKeyboardFocusManager.preDispatchKeyEvent(DefaultKeyboardFocusManager.java:969)
	at java.awt.DefaultKeyboardFocusManager.typeAheadAssertions(DefaultKeyboardFocusManager.java:841)
	at java.awt.DefaultKeyboardFocusManager.dispatchEvent(DefaultKeyboardFocusManager.java:668)
	at java.awt.Component.dispatchEventImpl(Component.java:4502)
	at java.awt.Container.dispatchEventImpl(Container.java:2099)
	at java.awt.Window.dispatchEventImpl(Window.java:2475)
	at java.awt.Component.dispatchEvent(Component.java:4460)
	at java.awt.EventQueue.dispatchEvent(EventQueue.java:599)
	at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:125)
	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)
[catch] at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)