StackTrace9

java.lang.NullPointerException

at org.polarsys.reqcycle.repository.data.impl.DataManagerImpl.visit(DataManagerImpl.java:410)
at org.eclipse.core.internal.events.ResourceDelta.accept(ResourceDelta.java:69)
at org.eclipse.core.internal.events.ResourceDelta.accept(ResourceDelta.java:80)
at org.eclipse.core.internal.events.ResourceDelta.accept(ResourceDelta.java:80)
at org.eclipse.core.internal.events.ResourceDelta.accept(ResourceDelta.java:49)
at org.polarsys.reqcycle.repository.data.impl.DataManagerImpl.resourceChanged(DataManagerImpl.java:388)
at org.eclipse.core.internal.events.NotificationManager$1.run(NotificationManager.java:291)
at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
at org.eclipse.core.internal.events.NotificationManager.notify(NotificationManager.java:285)
at org.eclipse.core.internal.events.NotificationManager.broadcastChanges(NotificationManager.java:149)
at org.eclipse.core.internal.resources.Workspace.broadcastPostChange(Workspace.java:378)
at org.eclipse.core.internal.resources.Workspace.endOperation(Workspace.java:1498)
at org.eclipse.core.internal.resources.Resource.delete(Resource.java:831)
at org.eclipse.core.internal.resources.Resource.delete(Resource.java:769)
at org.eclipse.emf.ecore.resource.impl.PlatformResourceURIHandlerImpl$WorkbenchHelper.delete(PlatformResourceURIHandlerImpl.java:230)
at org.eclipse.emf.ecore.resource.impl.PlatformResourceURIHandlerImpl.delete(PlatformResourceURIHandlerImpl.java:545)
at org.eclipse.emf.ecore.resource.impl.ExtensibleURIConverterImpl.delete(ExtensibleURIConverterImpl.java:366)
at org.eclipse.emf.ecore.resource.impl.ResourceImpl.delete(ResourceImpl.java:1679)
at org.polarsys.reqcycle.repository.data.impl.DataManagerImpl.removeRequirementSource(DataManagerImpl.java:183)
at org.polarsys.reqcycle.repository.connector.update.UpdateRequirementSourcesHandler.finalizedUpdateReqSrc(UpdateRequirementSourcesHandler.java:220)
at org.polarsys.reqcycle.repository.connector.update.UpdateRequirementSourcesHandler$1.run(UpdateRequirementSourcesHandler.java:115)
at org.eclipse.ui.internal.UILockListener.doPendingWork(UILockListener.java:167)
at org.eclipse.ui.internal.UISynchronizer$3.run(UISynchronizer.java:165)
at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35)
at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:136)
at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4147)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3764)
at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$9.run(PartRenderingEngine.java:1151)
at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1032)
at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:148)
at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:636)
at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:579)
at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:150)
at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:135)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:382)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:236)
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:648)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:603)
at org.eclipse.equinox.launcher.Main.run(Main.java:1465)
at org.eclipse.equinox.launcher.Main.main(Main.java:1438)