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Bug 359641

Summary:	[model explorer] NPE on browser Facet
Product:	[Modeling] Papyrus	Reporter:	Raphael Faudou <raphael.faudou>
Component:	Core	Assignee:	Project Inbox <mdt-papyrus-inbox>
Status:	RESOLVED WORKSFORME	QA Contact:
Severity:	major
Priority:	P3
Version:	0.8.1
Target Milestone:	---
Hardware:	PC
OS:	Windows XP
Whiteboard:

Description Raphael Faudou

2011-10-01 13:07:04 EDT

After creation of a model, it happens sometimes on next reload of the model.
Error log is filled with a lot of "unexpected errors" with following stack trace:

java.lang.NullPointerException
	at org.eclipse.papyrus.uml.modelexplorer.UMLContentProvider.getRootElements(UMLContentProvider.java:50)
	at org.eclipse.papyrus.modelexplorer.MoDiscoContentProvider.getRootElements(MoDiscoContentProvider.java:128)
	at org.eclipse.papyrus.modelexplorer.MoDiscoContentProvider.getRootElements(MoDiscoContentProvider.java:1)
	at org.eclipse.emf.facet.infra.browser.uicore.CustomizableModelContentProvider.getElements(CustomizableModelContentProvider.java:38)
	at org.eclipse.ui.internal.navigator.extensions.SafeDelegateTreeContentProvider.getElements(SafeDelegateTreeContentProvider.java:101)
	at org.eclipse.ui.internal.navigator.NavigatorContentServiceContentProvider$1.run(NavigatorContentServiceContentProvider.java:149)
	at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
	at org.eclipse.ui.internal.navigator.NavigatorContentServiceContentProvider.internalGetChildren(NavigatorContentServiceContentProvider.java:139)
	at org.eclipse.ui.internal.navigator.NavigatorContentServiceContentProvider.getElements(NavigatorContentServiceContentProvider.java:114)
	at org.eclipse.jface.viewers.StructuredViewer.getRawChildren(StructuredViewer.java:1010)
	at org.eclipse.jface.viewers.ColumnViewer.getRawChildren(ColumnViewer.java:703)
	at org.eclipse.jface.viewers.AbstractTreeViewer.getRawChildren(AbstractTreeViewer.java:1336)
	at org.eclipse.jface.viewers.TreeViewer.getRawChildren(TreeViewer.java:391)
	at org.eclipse.jface.viewers.StructuredViewer.getFilteredChildren(StructuredViewer.java:917)
	at org.eclipse.jface.viewers.AbstractTreeViewer.getSortedChildren(AbstractTreeViewer.java:605)
	at org.eclipse.jface.viewers.AbstractTreeViewer.updateChildren(AbstractTreeViewer.java:2622)
	at org.eclipse.jface.viewers.AbstractTreeViewer.internalRefreshStruct(AbstractTreeViewer.java:1908)
	at org.eclipse.jface.viewers.TreeViewer.internalRefreshStruct(TreeViewer.java:721)
	at org.eclipse.jface.viewers.AbstractTreeViewer.internalRefresh(AbstractTreeViewer.java:1883)
	at org.eclipse.jface.viewers.AbstractTreeViewer.internalRefresh(AbstractTreeViewer.java:1840)
	at org.eclipse.ui.navigator.CommonViewer.internalRefresh(CommonViewer.java:561)
	at org.eclipse.jface.viewers.StructuredViewer$8.run(StructuredViewer.java:1535)
	at org.eclipse.jface.viewers.StructuredViewer.preservingSelection(StructuredViewer.java:1443)
	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.StructuredViewer.refresh(StructuredViewer.java:1533)
	at org.eclipse.jface.viewers.ColumnViewer.refresh(ColumnViewer.java:548)
	at org.eclipse.ui.navigator.CommonViewer.refresh(CommonViewer.java:353)
	at org.eclipse.ui.navigator.CommonViewer.refresh(CommonViewer.java:510)
	at org.eclipse.jface.viewers.StructuredViewer.refresh(StructuredViewer.java:1465)
	at org.eclipse.papyrus.modelexplorer.ModelExplorerView.refresh(ModelExplorerView.java:397)
	at org.eclipse.papyrus.modelexplorer.ModelExplorerView$4.run(ModelExplorerView.java:379)
	at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:180)
	at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:150)
	at org.eclipse.swt.widgets.Display.syncExec(Display.java:4683)
	at org.eclipse.papyrus.modelexplorer.ModelExplorerView.handleResourceSetChanged(ModelExplorerView.java:373)
	at org.eclipse.papyrus.modelexplorer.ModelExplorerView.access$2(ModelExplorerView.java:366)
	at org.eclipse.papyrus.modelexplorer.ModelExplorerView$2.resourceSetChanged(ModelExplorerView.java:355)
	at org.eclipse.emf.transaction.impl.TransactionalEditingDomainImpl$2.run(TransactionalEditingDomainImpl.java:827)
	at org.eclipse.emf.transaction.impl.TransactionalEditingDomainImpl.runExclusive(TransactionalEditingDomainImpl.java:328)
	at org.eclipse.emf.transaction.impl.TransactionalEditingDomainImpl.broadcastUnbatched(TransactionalEditingDomainImpl.java:818)
	at org.eclipse.emf.transaction.impl.TransactionChangeRecorder.appendNotification(TransactionChangeRecorder.java:319)
	at org.eclipse.emf.transaction.impl.TransactionChangeRecorder.processResourceNotification(TransactionChangeRecorder.java:272)
	at org.eclipse.emf.transaction.impl.TransactionChangeRecorder.notifyChanged(TransactionChangeRecorder.java:238)
	at org.eclipse.emf.common.notify.impl.BasicNotifierImpl.eNotify(BasicNotifierImpl.java:380)
	at org.eclipse.emf.common.notify.impl.NotifyingListImpl.dispatchNotification(NotifyingListImpl.java:267)
	at org.eclipse.emf.common.notify.impl.NotifyingListImpl.clear(NotifyingListImpl.java:1120)
	at org.eclipse.emf.ecore.resource.impl.ResourceImpl.doUnload(ResourceImpl.java:1636)
	at org.eclipse.emf.ecore.xmi.impl.XMLResourceImpl.doUnload(XMLResourceImpl.java:633)
	at org.eclipse.emf.ecore.resource.impl.ResourceImpl.unload(ResourceImpl.java:1656)
	at org.eclipse.papyrus.resource.AbstractBaseModel.unload(AbstractBaseModel.java:204)
	at org.eclipse.papyrus.resource.ModelSet.unload(ModelSet.java:433)
	at org.eclipse.papyrus.core.resourceloading.OnDemandLoadingModelSet.unload(OnDemandLoadingModelSet.java:58)
	at org.eclipse.papyrus.core.editor.CoreMultiDiagramEditor.dispose(CoreMultiDiagramEditor.java:646)
	at org.eclipse.ui.internal.WorkbenchPartReference.doDisposePart(WorkbenchPartReference.java:737)
	at org.eclipse.ui.internal.EditorReference.doDisposePart(EditorReference.java:327)
	at org.eclipse.ui.internal.WorkbenchPartReference.dispose(WorkbenchPartReference.java:684)
	at org.eclipse.ui.internal.WorkbenchPage.disposePart(WorkbenchPage.java:1797)
	at org.eclipse.ui.internal.WorkbenchPage.handleDeferredEvents(WorkbenchPage.java:1501)
	at org.eclipse.ui.internal.WorkbenchPage.deferUpdates(WorkbenchPage.java:1485)
	at org.eclipse.ui.internal.WorkbenchPage.closeEditors(WorkbenchPage.java:1459)
	at org.eclipse.ui.internal.WorkbenchPage.closeEditor(WorkbenchPage.java:1514)
	at org.eclipse.ui.internal.EditorPane.doHide(EditorPane.java:61)
	at org.eclipse.ui.internal.PartStack.close(PartStack.java:537)
	at org.eclipse.ui.internal.EditorStack.close(EditorStack.java:206)
	at org.eclipse.ui.internal.PartStack$1.close(PartStack.java:120)
	at org.eclipse.ui.internal.presentations.util.TabbedStackPresentation$1.handleEvent(TabbedStackPresentation.java:83)
	at org.eclipse.ui.internal.presentations.util.AbstractTabFolder.fireEvent(AbstractTabFolder.java:269)
	at org.eclipse.ui.internal.presentations.util.AbstractTabFolder.fireEvent(AbstractTabFolder.java:278)
	at org.eclipse.ui.internal.presentations.defaultpresentation.DefaultTabFolder.access$1(DefaultTabFolder.java:1)
	at org.eclipse.ui.internal.presentations.defaultpresentation.DefaultTabFolder$1.closeButtonPressed(DefaultTabFolder.java:71)
	at org.eclipse.ui.internal.presentations.PaneFolder.notifyCloseListeners(PaneFolder.java:631)
	at org.eclipse.ui.internal.presentations.PaneFolder$3.close(PaneFolder.java:206)
	at org.eclipse.swt.custom.CTabFolder.onMouse(CTabFolder.java:1598)
	at org.eclipse.swt.custom.CTabFolder$1.handleEvent(CTabFolder.java:261)
	at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1053)
	at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4165)
	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3754)
	at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2696)
	at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2660)
	at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2494)
	at org.eclipse.ui.internal.Workbench$7.run(Workbench.java:674)
	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
	at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:667)
	at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)
	at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:123)
	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:344)
	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:179)
	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:622)
	at org.eclipse.equinox.launcher.Main.basicRun(Main.java:577)
	at org.eclipse.equinox.launcher.Main.run(Main.java:1410)

Comment 1 Raphael Faudou

2012-03-20 15:14:05 EDT

seems to have disappeared on recent builds.
Wait for one more week and other tests before closing.