Q7

Problems occurred when invoking code from plug-in: "org.eclipse.jface".
org.eclipse.core.runtime.AssertionFailedException: null argument:
 at org.eclipse.core.runtime.Assert.isNotNull(Assert.java:85)
 at org.eclipse.core.runtime.Assert.isNotNull(Assert.java:73)
 at org.eclipse.core.internal.runtime.AdapterManager.getAdapter(AdapterManager.java:290)
 at org.eclipse.ui.actions.SelectionListenerAction.computeResources(SelectionListenerAction.java:143)
 at org.eclipse.ui.actions.SelectionListenerAction.getSelectedResources(SelectionListenerAction.java:227)
 at org.eclipse.ui.actions.BuildAction.getBuildConfigurationsToBuild(BuildAction.java:193)
 at org.eclipse.ui.actions.BuildAction.getProjectsToBuild(BuildAction.java:174)
 at org.eclipse.ui.actions.BuildAction.updateSelection(BuildAction.java:336)
 at org.eclipse.ui.actions.BaseSelectionListenerAction.selectionChanged(BaseSelectionListenerAction.java:124)
 at org.eclipse.ui.actions.BuildAction.isEnabled(BuildAction.java:239)
 at org.eclipse.ui.actions.RetargetAction.setActionHandler(RetargetAction.java:273)
 at org.eclipse.ui.internal.ide.actions.RetargetActionWithDefault.setActionHandler(RetargetActionWithDefault.java:42)
 at org.eclipse.ui.actions.RetargetAction.propagateChange(RetargetAction.java:211)
 at org.eclipse.ui.actions.RetargetAction$1.propertyChange(RetargetAction.java:61)
 at org.eclipse.ui.SubActionBars.firePropertyChange(SubActionBars.java:291)
 at org.eclipse.ui.SubActionBars.fireActionHandlersChanged(SubActionBars.java:273)
 at org.eclipse.ui.SubActionBars.updateActionBars(SubActionBars.java:612)
 at org.eclipse.ui.internal.e4.compatibility.ActionBars.updateActionBars(ActionBars.java:129)
 at org.eclipse.ui.navigator.NavigatorActionService.fillActionBars(NavigatorActionService.java:266)
 at org.eclipse.ui.navigator.CommonNavigatorManager.selectionChanged(CommonNavigatorManager.java:222)
 at org.eclipse.jface.viewers.Viewer$2.run(Viewer.java:164)
 at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
 at org.eclipse.ui.internal.JFaceUtil$1.run(JFaceUtil.java:49)
 at org.eclipse.jface.util.SafeRunnable.run(SafeRunnable.java:175)
 at org.eclipse.jface.viewers.Viewer.fireSelectionChanged(Viewer.java:162)
 at org.eclipse.jface.viewers.StructuredViewer.updateSelection(StructuredViewer.java:2188)
 at org.eclipse.jface.viewers.StructuredViewer.handleInvalidSelection(StructuredViewer.java:1175)
 at org.eclipse.jface.viewers.StructuredViewer.preservingSelection(StructuredViewer.java:1456)
 at org.eclipse.jface.viewers.TreeViewer.preservingSelection(TreeViewer.java:403)
 at org.eclipse.jface.viewers.StructuredViewer.preservingSelection(StructuredViewer.java:1404)
 at org.eclipse.jface.viewers.AbstractTreeViewer.remove(AbstractTreeViewer.java:2222)
 at org.eclipse.ui.navigator.CommonViewer.remove(CommonViewer.java:323)
 at org.eclipse.ui.internal.navigator.resources.workbench.ResourceExtensionContentProvider$2.run(ResourceExtensionContentProvider.java:270)
 at org.eclipse.ui.internal.navigator.resources.workbench.ResourceExtensionContentProvider.runUpdates(ResourceExtensionContentProvider.java:306)
 at org.eclipse.ui.internal.navigator.resources.workbench.ResourceExtensionContentProvider.processDelta(ResourceExtensionContentProvider.java:116)
 at org.eclipse.ui.model.WorkbenchContentProvider.resourceChanged(WorkbenchContentProvider.java:106)
 at org.eclipse.core.internal.events.NotificationManager$1.run(NotificationManager.java:291)
 at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
 at org.eclipse.core.internal.events.NotificationManager.notify(NotificationManager.java:285)
 at org.eclipse.core.internal.events.NotificationManager.broadcastChanges(NotificationManager.java:149)
 at org.eclipse.core.internal.resources.Workspace.broadcastPostChange(Workspace.java:396)
 at org.eclipse.core.internal.resources.Workspace.endOperation(Workspace.java:1531)
 at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:2354)
 at com.xored.q7.ctx.resources.WorkspaceContextProcessor$8.run(WorkspaceContextProcessor.java:173)
 at com.xored.q7.internal.runtime.ui.UIRunnable$1.doProcessing(UIRunnable.java:73)
 at com.xored.tesla.swt.events.TeslaEventManager.doProcessing(TeslaEventManager.java:102)
 at com.xored.tesla.swt.aspects.DisplayAspect.ajc$around$com_xored_tesla_swt_aspects_DisplayAspect$1$e269b158(DisplayAspect.aj:87)
 at org.eclipse.swt.widgets.Display.sleep(Display.java:4651)
 at org.eclipse.ui.application.WorkbenchAdvisor.eventLoopIdle(WorkbenchAdvisor.java:364)
 at org.eclipse.ui.internal.ide.application.IDEWorkbenchAdvisor.eventLoopIdle(IDEWorkbenchAdvisor.java:917)
 at org.eclipse.ui.internal.Workbench$3.eventLoopIdle(Workbench.java:487)
 at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$9.run(PartRenderingEngine.java:1117)
 at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
 at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:997)
 at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:138)
 at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:610)
 at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
 at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:567)
 at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:150)
 at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:124)
 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:354)
 at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:181)
 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:636)
 at org.eclipse.equinox.launcher.Main.basicRun(Main.java:591)
 at org.eclipse.equinox.launcher.Main.run(Main.java:1450)
 at org.eclipse.equinox.launcher.Main.main(Main.java:1426)