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Bug 370044

Summary:	[class diagram] classCastException on updating multiplicity at association end
Product:	[Modeling] Papyrus	Reporter:	Raphael Faudou <raphael.faudou>
Component:	Core	Assignee:	Vincent Lorenzo <vincent.lorenzo>
Status:	CLOSED FIXED	QA Contact:
Severity:	critical
Priority:	P3	CC:	raphael.faudou
Version:	0.8.1
Target Milestone:	---
Hardware:	PC
OS:	Windows XP
Whiteboard:

Description Raphael Faudou

2012-01-28 12:52:40 EST

java.lang.ClassCastException: org.eclipse.papyrus.diagram.clazz.edit.parts.AssociationEditPart cannot be cast to org.eclipse.gmf.runtime.diagram.ui.editparts.GraphicalEditPart
	at org.eclipse.papyrus.diagram.clazz.custom.edit.part.AbstractAssociationEditPart.refreshVisuals(AbstractAssociationEditPart.java:100)
	at org.eclipse.papyrus.diagram.clazz.custom.edit.part.AbstractAssociationEditPart.handleNotificationEvent(AbstractAssociationEditPart.java:87)
	at org.eclipse.gmf.runtime.diagram.ui.editparts.ConnectionEditPart.notifyChanged(ConnectionEditPart.java:1731)
	at org.eclipse.gmf.runtime.diagram.core.listener.DiagramEventBroker.fireNotification(DiagramEventBroker.java:500)
	at org.eclipse.gmf.runtime.diagram.core.listener.DiagramEventBroker.resourceSetChanged(DiagramEventBroker.java:395)
	at org.eclipse.gmf.runtime.diagram.ui.DiagramEventBrokerThreadSafe.resourceSetChanged(DiagramEventBrokerThreadSafe.java:73)
	at org.eclipse.emf.transaction.impl.TransactionalEditingDomainImpl$1.run(TransactionalEditingDomainImpl.java:781)
	at org.eclipse.emf.transaction.impl.TransactionalEditingDomainImpl.runExclusive(TransactionalEditingDomainImpl.java:328)
	at org.eclipse.emf.transaction.impl.TransactionalEditingDomainImpl.postcommit(TransactionalEditingDomainImpl.java:771)
	at org.eclipse.emf.transaction.impl.TransactionalEditingDomainImpl.deactivate(TransactionalEditingDomainImpl.java:543)
	at org.eclipse.emf.transaction.impl.TransactionImpl.close(TransactionImpl.java:712)
	at org.eclipse.emf.transaction.impl.TransactionImpl.commit(TransactionImpl.java:474)
	at org.eclipse.emf.workspace.AbstractEMFOperation.execute(AbstractEMFOperation.java:155)
	at org.eclipse.gmf.runtime.common.core.command.CompositeCommand.doExecuteWithResult(CompositeCommand.java:403)
	at org.eclipse.gmf.runtime.common.core.command.AbstractCommand.execute(AbstractCommand.java:134)
	at org.eclipse.core.commands.operations.DefaultOperationHistory.execute(DefaultOperationHistory.java:513)
	at org.eclipse.papyrus.commands.CheckedOperationHistory.execute(CheckedOperationHistory.java:182)
	at org.eclipse.gmf.runtime.diagram.ui.parts.DiagramCommandStack.execute(DiagramCommandStack.java:206)
	at org.eclipse.gmf.runtime.diagram.ui.parts.DiagramCommandStack.execute(DiagramCommandStack.java:169)
	at org.eclipse.gmf.runtime.diagram.ui.parts.DiagramCommandStack.execute(DiagramCommandStack.java:156)
	at org.eclipse.gef.tools.AbstractTool.executeCommand(AbstractTool.java:425)
	at org.eclipse.gef.tools.AbstractTool.executeCurrentCommand(AbstractTool.java:438)
	at org.eclipse.gef.tools.ConnectionEndpointTracker.handleButtonUp(ConnectionEndpointTracker.java:172)
	at org.eclipse.gef.tools.AbstractTool.mouseUp(AbstractTool.java:1200)
	at org.eclipse.gef.tools.SelectionTool.mouseUp(SelectionTool.java:574)

Comment 1 Raphael Faudou

2012-01-28 12:59:57 EST

Seems to come from "manage connector labels"

Comment 2 Raphael Faudou

2012-01-28 13:03:22 EST

Makes the class diagram unusable.
Each try to update a multiplicity or just diplay it crahses the diagram (can not be reopen)
increased importance.

Comment 3 Vincent Lorenzo

2012-02-09 03:53:45 EST

Hi Raphael, Can you give me the steps to reproduce it? I can't get your exception.

Comment 4 Raphael Faudou

2012-02-10 15:45:49 EST

Same for me: I cannot reproduce this bug on the last nighty build. 
My feeling is that this bug occured in a situation when the modeler was already in a bad state because of another bug that has now been fixed.

I close it.