StackTrace11

org.eclipse.swt.SWTException: Widget is disposed

at org.eclipse.swt.SWT.error(SWT.java:4441)
at org.eclipse.swt.SWT.error(SWT.java:4356)
at org.eclipse.swt.SWT.error(SWT.java:4327)
at org.eclipse.swt.widgets.Widget.error(Widget.java:476)
at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:348)
at org.eclipse.swt.widgets.Widget.getData(Widget.java:533)
at org.eclipse.ui.navigator.CommonViewer.doUpdateItem(CommonViewer.java:409)
at org.polarsys.reqcycle.repository.ui.views.RequirementView$ReachableMapper$1.run(RequirementView.java:308)
at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:187)
at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:156)
at org.eclipse.swt.widgets.Display.syncExec(Display.java:4734)
at org.polarsys.reqcycle.repository.ui.views.RequirementView$ReachableMapper.objectChanged(RequirementView.java:304)
at org.eclipse.ui.navigator.CommonViewer.handleLabelProviderChanged(CommonViewer.java:223)
at org.eclipse.jface.viewers.ContentViewer$1.labelProviderChanged(ContentViewer.java:99)
at org.eclipse.ui.internal.navigator.NavigatorContentServiceLabelProvider$1.run(NavigatorContentServiceLabelProvider.java:339)
at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
at org.eclipse.ui.internal.navigator.NavigatorContentServiceLabelProvider.fireLabelProviderChanged(NavigatorContentServiceLabelProvider.java:337)
at org.eclipse.ui.internal.navigator.NavigatorContentServiceLabelProvider.labelProviderChanged(NavigatorContentServiceLabelProvider.java:380)
at org.polarsys.reqcycle.styling.ui.providers.StylingLabelProvider.notifyChanged(StylingLabelProvider.java:76)
at org.polarsys.reqcycle.styling.ui.providers.StylingLabelProvider.handleModification(StylingLabelProvider.java:261)
at org.polarsys.reqcycle.styling.ui.providers.StylingLabelProvider$StylingAdapter.notifyChanged(StylingLabelProvider.java:254)
at org.eclipse.emf.ecore.impl.MinimalEObjectImpl$1ArrayDelegatingAdapterList.didRemove(MinimalEObjectImpl.java:523)
at org.eclipse.emf.ecore.impl.MinimalEObjectImpl$1ArrayDelegatingAdapterList.didRemove(MinimalEObjectImpl.java:1)
at org.eclipse.emf.common.util.AbstractEList.didClear(AbstractEList.java:168)
at org.eclipse.emf.common.util.ArrayDelegatingEList.clear(ArrayDelegatingEList.java:707)
at org.eclipse.emf.ecore.resource.impl.ResourceImpl.unloaded(ResourceImpl.java:1589)
at org.eclipse.emf.ecore.resource.impl.ResourceImpl.doUnload(ResourceImpl.java:1648)
at org.eclipse.emf.ecore.xmi.impl.XMLResourceImpl.doUnload(XMLResourceImpl.java:713)
at org.eclipse.emf.ecore.resource.impl.ResourceImpl.unload(ResourceImpl.java:1663)
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$1.run(NotificationManager.java:291)
at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
at org.eclipse.core.internal.events.NotificationManager.notify(NotificationManager.java:285)
at org.eclipse.core.internal.events.NotificationManager.broadcastChanges(NotificationManager.java:149)
at org.eclipse.core.internal.resources.Workspace.broadcastPostChange(Workspace.java:378)
at org.eclipse.core.internal.resources.Workspace.endOperation(Workspace.java:1498)
at org.eclipse.core.internal.resources.File.setContents(File.java:366)
at org.eclipse.core.internal.resources.File.setContents(File.java:465)
at org.eclipse.emf.ecore.resource.impl.PlatformResourceURIHandlerImpl$PlatformResourceOutputStream.flush(PlatformResourceURIHandlerImpl.java:133)
at org.eclipse.emf.ecore.xmi.impl.XMLSaveImpl.writeAscii(XMLSaveImpl.java:1023)
at org.eclipse.emf.ecore.xmi.impl.XMLSaveImpl.save(XMLSaveImpl.java:255)
at org.eclipse.emf.ecore.xmi.impl.XMLResourceImpl.doSave(XMLResourceImpl.java:389)
at org.eclipse.emf.ecore.resource.impl.ResourceImpl.save(ResourceImpl.java:1430)
at org.eclipse.emf.ecore.resource.impl.ResourceImpl.save(ResourceImpl.java:999)
at org.polarsys.reqcycle.repository.data.impl.DataManagerImpl.saveContents(DataManagerImpl.java:229)
at org.polarsys.reqcycle.repository.data.impl.DataManagerImpl.save(DataManagerImpl.java:206)
at org.polarsys.reqcycle.repository.data.impl.DataManagerImpl.addRequirementSource(DataManagerImpl.java:148)
at org.polarsys.reqcycle.repository.ui.wizard.NewRequirementSourceWizard.performFinish(NewRequirementSourceWizard.java:95)
at org.eclipse.jface.wizard.WizardDialog.finishPressed(WizardDialog.java:853)
at org.eclipse.jface.wizard.WizardDialog.buttonPressed(WizardDialog.java:438)
at org.eclipse.jface.dialogs.Dialog$2.widgetSelected(Dialog.java:619)
at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:248)
at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4353)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1061)
at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4172)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3761)
at org.eclipse.jface.window.Window.runEventLoop(Window.java:832)
at org.eclipse.jface.window.Window.open(Window.java:808)
at org.polarsys.reqcycle.repository.ui.actions.AddRequirementSourceAction.run(AddRequirementSourceAction.java:40)
at org.eclipse.jface.action.Action.runWithEvent(Action.java:519)
at org.eclipse.jface.action.ActionContributionItem.handleWidgetSelection(ActionContributionItem.java:595)
at org.eclipse.jface.action.ActionContributionItem.access$2(ActionContributionItem.java:511)
at org.eclipse.jface.action.ActionContributionItem$6.handleEvent(ActionContributionItem.java:462)
at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4353)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1061)
at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4172)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3761)
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)