GUI/Deployment Editor: NPE after logical architecture has been modified
- Create a new project
- Create a component architecture with two sub-components, C1 and C2
- Create a platform architecture with a single Generic ECU
- Save the model (optional). Do not save the model from now on
- Create a new deployment
- Deploy C1 and C2 to the Generic ECU
- Delete C1 from the component architecture
- Tend back to the deployment editor and click onto C2 (sic!) and observe below stack trace
Analysis: A fix of #2167 should also avoid this NPE.
java.lang.NullPointerException
at org.fortiss.af3.deployment.ui.editor.DeploymentEditorBackend.createTreeSelectionFor(DeploymentEditorBackend.java:480)
at org.fortiss.af3.deployment.ui.editor.DeploymentEditorBackend.access$2(DeploymentEditorBackend.java:475)
at org.fortiss.af3.deployment.ui.editor.DeploymentEditorBackend$13.selectionChanged(DeploymentEditorBackend.java:423)
at org.eclipse.gef.ui.parts.AbstractEditPartViewer.fireSelectionChanged(AbstractEditPartViewer.java:247)
at org.eclipse.gef.ui.parts.AbstractEditPartViewer$1.run(AbstractEditPartViewer.java:131)
at org.eclipse.gef.SelectionManager.fireSelectionChanged(SelectionManager.java:144)
at org.eclipse.gef.SelectionManager.appendSelection(SelectionManager.java:83)
at org.eclipse.gef.ui.parts.AbstractEditPartViewer.appendSelection(AbstractEditPartViewer.java:190)
at org.eclipse.gef.ui.parts.AbstractEditPartViewer.select(AbstractEditPartViewer.java:599)
at org.fortiss.af3.deployment.ui.editor.DeploymentEditorBackend$12.selectionChanged(DeploymentEditorBackend.java:389)
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.handleSelect(StructuredViewer.java:1211)
at org.eclipse.jface.viewers.StructuredViewer$4.widgetSelected(StructuredViewer.java:1241)
at org.eclipse.jface.util.OpenStrategy.fireSelectionEvent(OpenStrategy.java:239)
at org.eclipse.jface.util.OpenStrategy.access$4(OpenStrategy.java:233)
at org.eclipse.jface.util.OpenStrategy$1.handleEvent(OpenStrategy.java:403)
at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1057)
at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4170)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3759)
at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$9.run(PartRenderingEngine.java:1113)
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:140)
at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:611)
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.fortiss.af3.rcapplication.AF3Application.start(AF3Application.java:48)
at org.eclipse.equinox.internal.apEclipseAppHandle.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(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
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)
(from redmine: issue id 2222, created on 2015-01-19, closed on 2015-01-26)
- Relations:
- relates #2167 (closed)