1. java.lang.NullPointerException
  2. at org.eclipse.wst.xml.core.internal.contentmodel.modelqueryimpl.ModelQueryImpl$AvailableContentCMVisitor.computeAvailableContent(ModelQueryImpl.java:649)
  3. at org.eclipse.wst.xml.core.internal.contentmodel.modelqueryimpl.ModelQueryImpl.getAvailableContent(ModelQueryImpl.java:309)
  4. at org.eclipse.wst.xml.core.internal.contentmodel.modelqueryimpl.ModelQueryActionHelper.getInsertChildNodeActions(ModelQueryActionHelper.java:217)
  5. at org.eclipse.wst.xml.core.internal.contentmodel.modelqueryimpl.ModelQueryActionHelper.getInsertActions(ModelQueryActionHelper.java:138)
  6. at org.eclipse.wst.xml.core.internal.contentmodel.modelqueryimpl.ModelQueryImpl.getInsertActions(ModelQueryImpl.java:537)
  7. at org.jboss.tools.windup.ui.internal.rules.delegate.ElementUiDelegate.fillContextMenu(ElementUiDelegate.java:118)
  8. at org.jboss.tools.windup.ui.internal.editor.RulesetEditorRulesSection.fillContextMenu(RulesetEditorRulesSection.java:368)
  9. at org.jboss.tools.windup.ui.internal.editor.RulesetEditorRulesSection.access$2(RulesetEditorRulesSection.java:360)
  10. at org.jboss.tools.windup.ui.internal.editor.RulesetEditorRulesSection$5.menuAboutToShow(RulesetEditorRulesSection.java:349)
  11. at org.eclipse.jface.action.MenuManager.fireAboutToShow(MenuManager.java:339)
  12. at org.eclipse.jface.action.MenuManager.handleAboutToShow(MenuManager.java:470)
  13. at org.eclipse.jface.action.MenuManager.access$1(MenuManager.java:465)
  14. at org.eclipse.jface.action.MenuManager$2.menuShown(MenuManager.java:497)
  15. at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:256)
  16. at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:86)
  17. at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5348)
  18. at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1348)
  19. at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1374)
  20. at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1353)
  21. at org.eclipse.swt.widgets.Menu._setVisible(Menu.java:198)
  22. at org.eclipse.swt.widgets.Display.runPopups(Display.java:4644)
  23. at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4173)
  24. at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1150)
  25. at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:336)
  26. at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1039)
  27. at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:153)
  28. at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:680)
  29. at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:336)
  30. at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:594)
  31. at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:148)
  32. at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:151)
  33. at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196)
  34. at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134)
  35. at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
  36. at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:388)
  37. at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:243)
  38. at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  39. at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
  40. at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
  41. at java.lang.reflect.Method.invoke(Method.java:498)
  42. at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:653)
  43. at org.eclipse.equinox.launcher.Main.basicRun(Main.java:590)
  44. at org.eclipse.equinox.launcher.Main.run(Main.java:1499)
  45. at org.eclipse.equinox.launcher.Main.main(Main.java:1472)