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java.lang.NullPointerException: 	at org.jboss.ide.eclipse.freemarker.model.ItemSet.init(ItemSet.java:56)	at org.jboss.ide.eclipse.freemarker.editor.Editor.getItemSet(Editor.java:271)	at org.jboss.ide.eclipse.freemarker.outline.OutlinePage.update(OutlinePage.java:119)	at org.jboss.ide.eclipse.freemarker.outline.OutlinePage.setInput(OutlinePage.java:93)	at org.jboss.ide.eclipse.freemarker.editor.Editor.getAdapter(Editor.java:106)	at org.jboss.ide.eclipse.freemarker.editor.FreemarkerMultiPageEditor.getAdapter(FreemarkerMultiPageEditor.java:344)	at org.eclipse.ui.internal.views.ViewsPlugin.getAdapter(ViewsPlugin.java:103)	at org.eclipse.ui.views.contentoutline.ContentOutline.doCreatePage(ContentOutline.java:129)	at org.eclipse.ui.part.PageBookView.createPage(PageBookView.java:399)	at org.eclipse.ui.part.PageBookView.partActivated(PageBookView.java:741)	at org.eclipse.ui.views.contentoutline.ContentOutline.partBroughtToTop(ContentOutline.java:210)	at org.eclipse.ui.internal.PartListenerList$2.run(PartListenerList.java:87)	at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:37)	at org.eclipse.core.runtime.Platform.run(Platform.java:857)	at org.eclipse.ui.internal.PartListenerList.fireEvent(PartListenerList.java:57)	at org.eclipse.ui.internal.PartListenerList.firePartBroughtToTop(PartListenerList.java:85)	at org.eclipse.ui.internal.PartService.firePartBroughtToTop(PartService.java:87)	at org.eclipse.ui.internal.WorkbenchPagePartList.firePartBroughtToTop(WorkbenchPagePartList.java:75)	at org.eclipse.ui.internal.WorkbenchPagePartList.fireActiveEditorChanged(WorkbenchPagePartList.java:51)	at org.eclipse.ui.internal.PartList.setActiveEditor(PartList.java:152)	at org.eclipse.ui.internal.WorkbenchPage.makeActiveEditor(WorkbenchPage.java:1224)	at org.eclipse.ui.internal.WorkbenchPage.setActivePart(WorkbenchPage.java:3395)	at org.eclipse.ui.internal.WorkbenchPage.activate(WorkbenchPage.java:611)	at org.eclipse.ui.internal.WorkbenchPage.busyOpenEditorBatched(WorkbenchPage.java:2748)	at org.eclipse.ui.internal.WorkbenchPage.busyOpenEditor(WorkbenchPage.java:2651)	at org.eclipse.ui.internal.WorkbenchPage.access$13(WorkbenchPage.java:2643)	at org.eclipse.ui.internal.WorkbenchPage$10.run(WorkbenchPage.java:2595)	at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:67)	at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:2590)	at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:2574)	at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:2557)	at org.eclipse.ui.ide.IDE.openEditorOnFileStore(IDE.java:1090)	at org.eclipse.ui.internal.ide.actions.OpenLocalFileAction.run(OpenLocalFileAction.java:105)	at org.eclipse.ui.internal.ide.actions.OpenLocalFileAction.run(OpenLocalFileAction.java:75)	at org.eclipse.ui.internal.PluginAction.runWithEvent(PluginAction.java:256)	at org.eclipse.ui.internal.WWinPluginAction.runWithEvent(WWinPluginAction.java:229)	at org.eclipse.jface.action.ActionContributionItem.handleWidgetSelection(ActionContributionItem.java:546)	at org.eclipse.jface.action.ActionContributionItem.access$2(ActionContributionItem.java:490)	at org.eclipse.jface.action.ActionContributionItem$5.handleEvent(ActionContributionItem.java:402)	at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:66)	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:938)	at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3682)	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3293)	at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2389)	at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2353)	at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2219)	at org.eclipse.ui.internal.Workbench$4.run(Workbench.java:466)	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:289)	at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:461)	at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)	at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:106)	at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:169)	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:106)	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:76)	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:363)	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:176)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)	at java.lang.reflect.Method.invoke(Unknown Source)	at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:508)	at org.eclipse.equinox.launcher.Main.basicRun(Main.java:447)	at org.eclipse.equinox.launcher.Main.run(Main.java:1173)