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Bug 351876

Summary:	[ActivityDiagram]NPE in group framework prevents creation of new groups
Product:	[Modeling] Papyrus	Reporter:	Vincent Hémery <vincent.hemery>
Component:	Core	Assignee:	Project Inbox <mdt-papyrus-inbox>
Status:	RESOLVED WORKSFORME	QA Contact:
Severity:	critical
Priority:	P3
Version:	0.8.0
Target Milestone:	---
Hardware:	PC
OS:	Windows XP
Whiteboard:

Description Vincent Hémery

2011-07-12 12:08:05 EDT

In some models, a NPE occurs when trying to create a group in an activity diagram.

The reproduces when in an ActivityPartition, there is a Comment linked to an Action.

The stack trace is bellow :

java.lang.NullPointerException
	at org.eclipse.papyrus.diagram.common.groups.core.utils.Utils.createComputedListsOfVisualyRelatedElements(Utils.java:406)
	at org.eclipse.papyrus.diagram.common.groups.core.utils.Utils.createComputedListsOfVisualYRelatedElements(Utils.java:251)
	at org.eclipse.papyrus.diagram.common.groups.commands.utlis.CommandsUtils.initDirectChildLists(CommandsUtils.java:710)
	at org.eclipse.papyrus.diagram.common.groups.commands.utlis.CommandsUtils.getHandleChildrenCommand(CommandsUtils.java:480)
	at org.eclipse.papyrus.diagram.common.groups.edit.policies.CreateInGroupEditPolicy.getCreateElementAndViewCommand(CreateInGroupEditPolicy.java:128)
	at org.eclipse.gmf.runtime.diagram.ui.editpolicies.CreationEditPolicy.getCommand(CreationEditPolicy.java:87)
	at org.eclipse.gef.editparts.AbstractEditPart.getCommand(AbstractEditPart.java:502)
	at org.eclipse.gmf.runtime.diagram.ui.editparts.GraphicalEditPart.access$1(GraphicalEditPart.java:1)
	at org.eclipse.gmf.runtime.diagram.ui.editparts.GraphicalEditPart$1.run(GraphicalEditPart.java:482)
	at org.eclipse.emf.transaction.impl.TransactionalEditingDomainImpl.runExclusive(TransactionalEditingDomainImpl.java:328)
	at org.eclipse.gmf.runtime.diagram.ui.editparts.GraphicalEditPart.getCommand(GraphicalEditPart.java:477)
	at org.eclipse.gmf.runtime.diagram.ui.editpolicies.CreationEditPolicy.getUnspecifiedTypeCreateCommand(CreationEditPolicy.java:395)
	at org.eclipse.gmf.runtime.diagram.ui.editpolicies.CreationEditPolicy.getCommand(CreationEditPolicy.java:85)
	at org.eclipse.gef.editparts.AbstractEditPart.getCommand(AbstractEditPart.java:502)
	at org.eclipse.gmf.runtime.diagram.ui.editparts.GraphicalEditPart.access$1(GraphicalEditPart.java:1)
	at org.eclipse.gmf.runtime.diagram.ui.editparts.GraphicalEditPart$1.run(GraphicalEditPart.java:482)
	at org.eclipse.emf.transaction.impl.TransactionalEditingDomainImpl.runExclusive(TransactionalEditingDomainImpl.java:328)
	at org.eclipse.gmf.runtime.diagram.ui.editparts.GraphicalEditPart.getCommand(GraphicalEditPart.java:477)
	at org.eclipse.gef.tools.TargetingTool.getCommand(TargetingTool.java:123)
	at org.eclipse.gmf.runtime.diagram.ui.tools.CreationTool.getCommand(CreationTool.java:277)
	at org.eclipse.gef.tools.CreationTool.handleMove(CreationTool.java:253)
	at org.eclipse.gmf.runtime.diagram.ui.tools.CreationTool.handleMove(CreationTool.java:258)
	at org.eclipse.gef.tools.AbstractTool.mouseMove(AbstractTool.java:1182)
	at org.eclipse.gef.EditDomain.mouseMove(EditDomain.java:287)
	at org.eclipse.gef.ui.parts.DomainEventDispatcher.dispatchMouseMoved(DomainEventDispatcher.java:365)
	at org.eclipse.draw2d.LightweightSystem$EventHandler.mouseMove(LightweightSystem.java:543)
	at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:211)
	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 Camille Letavernier

2013-03-01 04:19:05 EST

I cannot reproduce the issue on 0.10, I close the task.