NPE when deleting multiple projects
Deleting multiple projects (with multiple models opened in each of the projects), below NPE occurred.
I cannot reproduce the problem, which occurred in an quite old development runtime workspace where AF3 has been killed from the debugger quite often.
I suspect that the workspace was out of sync with the file system.
!ENTRY org.eclipse.jface 4 2 2014-07-03 15:09:24.035
!MESSAGE Problems occurred when invoking code from plug-in: "org.eclipse.jface".
!STACK 0
java.lang.NullPointerException
at org.fortiss.af3.project.ui.handler.FileProjectModelElementHandler.getName(FileProjectModelElementHandler.java:47)
at org.fortiss.af3.project.ui.handler.FileProjectModelElementHandler.getName(FileProjectModelElementHandler.java:1)
at org.fortiss.tooling.kernel.ui.presentation.ModelElementLabelProvider.getText(ModelElementLabelProvider.java:52)
at org.eclipse.jface.viewers.DecoratingLabelProvider.getText(DecoratingLabelProvider.java:129)
at org.eclipse.jface.viewers.DecoratingLabelProvider.updateLabel(DecoratingLabelProvider.java:351)
at org.eclipse.jface.viewers.WrappedViewerLabelProvider.update(WrappedViewerLabelProvider.java:183)
at org.eclipse.jface.viewers.ViewerColumn.refresh(ViewerColumn.java:152)
at org.eclipse.jface.viewers.AbstractTreeViewer.doUpdateItem(AbstractTreeViewer.java:953)
at org.eclipse.jface.viewers.AbstractTreeViewer$UpdateItemSafeRunnable.run(AbstractTreeViewer.java:113)
at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
at org.eclipse.ui.internal.JFaceUtil$1.run(JFaceUtil.java:49)
at org.eclipse.jface.util.SafeRunnable.run(SafeRunnable.java:175)
at org.eclipse.jface.viewers.AbstractTreeViewer.doUpdateItem(AbstractTreeViewer.java:1033)
at org.eclipse.jface.viewers.StructuredViewer$UpdateItemSafeRunnable.run(StructuredViewer.java:485)
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.StructuredViewer.updateItem(StructuredViewer.java:2167)
at org.eclipse.jface.viewers.StructuredViewer.internalUpdate(StructuredViewer.java:2150)
at org.eclipse.jface.viewers.StructuredViewer.update(StructuredViewer.java:2089)
at org.eclipse.jface.viewers.ColumnViewer.update(ColumnViewer.java:561)
at org.eclipse.jface.viewers.StructuredViewer.update(StructuredViewer.java:2033)
at org.eclipse.jface.viewers.StructuredViewer.handleLabelProviderChanged(StructuredViewer.java:1191)
at org.eclipse.jface.viewers.ContentViewer$1.labelProviderChanged(ContentViewer.java:97)
at org.eclipse.ui.internal.decorators.DecoratorManager$1.run(DecoratorManager.java:430)
at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
at org.eclipse.ui.internal.decorators.DecoratorManager.fireListener(DecoratorManager.java:428)
at org.eclipse.ui.internal.decorators.DecorationScheduler$3.runInUIThread(DecorationScheduler.java:530)
at org.eclipse.ui.progress.UIJob$1.run(UIJob.java:95)
at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35)
at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:135)
at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4145)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3762)
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(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)
(from redmine: issue id 2042, created on 2014-07-03, closed on 2016-01-18)