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org.eclipse.core.runtime.AssertionFailedException: assertion failed: 	at org.eclipse.core.runtime.Assert.isTrue(Assert.java:110)	at org.eclipse.core.runtime.Assert.isTrue(Assert.java:96)	at org.eclipse.jface.viewers.AbstractTreeViewer.assertContentProviderType(AbstractTreeViewer.java:2321)	at org.eclipse.jface.viewers.TreeViewer.assertContentProviderType(TreeViewer.java:384)	at org.eclipse.jface.viewers.StructuredViewer.setContentProvider(StructuredViewer.java:1640)	at org.eclipse.jface.viewers.AbstractTreeViewer.setContentProvider(AbstractTreeViewer.java:2317)	at org.eclipse.jface.viewers.TreeViewer.setContentProvider(TreeViewer.java:972)	at com.aptana.editor.common.outline.CommonQuickOutlinePage.createTreeViewer(CommonQuickOutlinePage.java:560)	at com.aptana.editor.common.outline.CommonQuickOutlinePage.createControl(CommonQuickOutlinePage.java:145)	at com.aptana.editor.common.outline.QuickOutlinePopupDialog.createDialogArea(QuickOutlinePopupDialog.java:75)	at org.eclipse.jface.dialogs.PopupDialog.createContents(PopupDialog.java:688)	at org.eclipse.jface.window.Window.create(Window.java:431)	at org.eclipse.jface.dialogs.PopupDialog.open(PopupDialog.java:1128)	at com.aptana.editor.js.outline.QuickOutlineHandler.execute(QuickOutlineHandler.java:22)	at org.eclipse.ui.internal.handlers.HandlerProxy.execute(HandlerProxy.java:293)	at org.eclipse.core.commands.Command.executeWithChecks(Command.java:476)	at org.eclipse.core.commands.ParameterizedCommand.executeWithChecks(ParameterizedCommand.java:508)	at org.eclipse.ui.internal.handlers.HandlerService.executeCommand(HandlerService.java:169)	at org.eclipse.ui.internal.keys.WorkbenchKeyboard.executeCommand(WorkbenchKeyboard.java:468)	at org.eclipse.ui.internal.keys.WorkbenchKeyboard.press(WorkbenchKeyboard.java:786)	at org.eclipse.ui.internal.keys.WorkbenchKeyboard.processKeyEvent(WorkbenchKeyboard.java:885)	at org.eclipse.ui.internal.keys.WorkbenchKeyboard.filterKeySequenceBindings(WorkbenchKeyboard.java:567)	at org.eclipse.ui.internal.keys.WorkbenchKeyboard.access$3(WorkbenchKeyboard.java:508)	at org.eclipse.ui.internal.keys.WorkbenchKeyboard$KeyDownFilter.handleEvent(WorkbenchKeyboard.java:123)	at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)	at org.eclipse.swt.widgets.Display.filterEvent(Display.java:1031)	at org.eclipse.swt.widgets.Display.sendEvent(Display.java:3775)	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1367)	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1390)	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1375)	at org.eclipse.swt.widgets.Widget.sendKeyEvent(Widget.java:1404)	at org.eclipse.swt.widgets.Widget.sendKeyEvent(Widget.java:1400)	at org.eclipse.swt.widgets.Canvas.sendKeyEvent(Canvas.java:416)	at org.eclipse.swt.widgets.Control.doCommandBySelector(Control.java:958)	at org.eclipse.swt.widgets.Display.windowProc(Display.java:5068)	at org.eclipse.swt.internal.cocoa.OS.objc_msgSend(Native Method)	at org.eclipse.swt.internal.cocoa.NSResponder.interpretKeyEvents(NSResponder.java:56)	at org.eclipse.swt.widgets.Composite.keyDown(Composite.java:587)	at org.eclipse.swt.widgets.Display.windowProc(Display.java:4978)	at org.eclipse.swt.internal.cocoa.OS.objc_msgSendSuper(Native Method)	at org.eclipse.swt.widgets.Widget.callSuper(Widget.java:220)	at org.eclipse.swt.widgets.Widget.windowSendEvent(Widget.java:1943)	at org.eclipse.swt.widgets.Shell.windowSendEvent(Shell.java:2025)	at org.eclipse.swt.widgets.Display.windowProc(Display.java:5040)	at org.eclipse.swt.internal.cocoa.OS.objc_msgSendSuper(Native Method)	at org.eclipse.swt.widgets.Display.applicationSendEvent(Display.java:4582)	at org.eclipse.swt.widgets.Display.applicationProc(Display.java:4659)	at org.eclipse.swt.internal.cocoa.OS.objc_msgSend(Native Method)	at org.eclipse.swt.internal.cocoa.NSApplication.sendEvent(NSApplication.java:115)	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3274)	at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2640)	at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2604)	at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2438)	at org.eclipse.ui.internal.Workbench$7.run(Workbench.java:671)	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)	at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:664)	at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)	at com.appcelerator.titanium.rcp.IDEApplication.start(IDEApplication.java:125)	at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196)	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:110)	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:79)	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:369)	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:179)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)	at java.lang.reflect.Method.invoke(Method.java:597)	at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:619)	at org.eclipse.equinox.launcher.Main.basicRun(Main.java:574)	at org.eclipse.equinox.launcher.Main.run(Main.java:1407)	at org.eclipse.equinox.launcher.Main.main(Main.java:1383)