Some Eclipse Foundation services are deprecated, or will be soon. Please ensure you've read this important communication.
Bug 333185 - [Dawn] ClasscastException in DawnDiagramUpdater
Summary: [Dawn] ClasscastException in DawnDiagramUpdater
Status: CLOSED FIXED
Alias: None
Product: EMF
Classification: Modeling
Component: cdo.dawn (show other bugs)
Version: 4.0   Edit
Hardware: PC All
: P3 normal (vote)
Target Milestone: ---   Edit
Assignee: Martin Fluegge CLA
QA Contact: Eike Stepper CLA
URL:
Whiteboard:
Keywords:
Depends on:
Blocks:
 
Reported: 2010-12-24 05:50 EST by Martin Fluegge CLA
Modified: 2011-06-23 03:40 EDT (History)
0 users

See Also:

Attachments
Patch v1 (1.45 KB, patch)
2010-12-24 06:07 EST, Martin Fluegge CLA 		no flags Details | Diff
View All Add an attachment (proposed patch, testcase, etc.)

Note You need to log in before you can comment on or make changes to this bug.
Description Martin Fluegge CLA 2010-12-24 05:50:05 EST 
The DawnDiagramUpdater casts to the wrong interface. This leads to the following exception

Caused by: java.lang.ClassCastException: org.eclipse.gmf.runtime.notation.impl.EdgeImpl cannot be cast to org.eclipse.gmf.runtime.notation.Connector
	at org.eclipse.emf.cdo.dawn.util.DawnDiagramUpdater.refeshEditpartInternal(DawnDiagramUpdater.java:156)
	at org.eclipse.emf.cdo.dawn.util.DawnDiagramUpdater.refeshEditpartInternal(DawnDiagramUpdater.java:168)
	at org.eclipse.emf.cdo.dawn.util.DawnDiagramUpdater.refreshEditPart(DawnDiagramUpdater.java:73)
	at org.eclipse.emf.cdo.dawn.util.DawnDiagramUpdater$2.run(DawnDiagramUpdater.java:84)
	at org.eclipse.emf.transaction.impl.TransactionalEditingDomainImpl.runExclusive(TransactionalEditingDomainImpl.java:328)
	at org.eclipse.emf.cdo.dawn.util.DawnDiagramUpdater.refreshEditPart(DawnDiagramUpdater.java:80)
	at org.eclipse.emf.cdo.dawn.notifications.impl.DawnGMFHandler.refresh(DawnGMFHandler.java:275)
	at org.eclipse.emf.cdo.dawn.notifications.impl.DawnGMFHandler.modifyingObject(DawnGMFHandler.java:115)
	at org.eclipse.emf.internal.cdo.transaction.CDOTransactionImpl.registerFeatureDelta(CDOTransactionImpl.java:1515)
	at org.eclipse.emf.internal.cdo.transaction.CDOTransactionImpl.registerDirty(CDOTransactionImpl.java:1534)
	at org.eclipse.emf.internal.cdo.CDOStateMachine$WriteTransition.execute(CDOStateMachine.java:805)
	at org.eclipse.emf.internal.cdo.CDOStateMachine$WriteTransition.execute(CDOStateMachine.java:1)
	at org.eclipse.net4j.util.fsm.FiniteStateMachine.process(FiniteStateMachine.java:162)
	at org.eclipse.emf.internal.cdo.CDOStateMachine.writeWithoutViewLock(CDOStateMachine.java:386)
	at org.eclipse.emf.internal.cdo.CDOStateMachine.write(CDOStateMachine.java:371)
	at org.eclipse.emf.internal.cdo.CDOStore.getRevisionForWriting(CDOStore.java:620)
	at org.eclipse.emf.internal.cdo.CDOStore.set(CDOStore.java:341)
	at org.eclipse.emf.internal.cdo.CDOLegacyAdapter.notifyChanged(CDOLegacyAdapter.java:82)
	at org.eclipse.emf.common.notify.impl.BasicNotifierImpl.eNotify(BasicNotifierImpl.java:380)
	at org.eclipse.gmf.runtime.notation.impl.RelativeBendpointsImpl.setPoints(RelativeBendpointsImpl.java:115)
	at org.eclipse.gmf.runtime.diagram.ui.internal.commands.SetConnectionBendpointsCommand.doExecuteWithResult(SetConnectionBendpointsCommand.java:164)
	at org.eclipse.gmf.runtime.emf.commands.core.command.AbstractTransactionalCommand.doExecute(AbstractTransactionalCommand.java:247)
	at org.eclipse.emf.workspace.AbstractEMFOperation.execute(AbstractEMFOperation.java:150)
	at org.eclipse.core.commands.operations.DefaultOperationHistory.execute(DefaultOperationHistory.java:511)
	... 37 more
Comment 1 Martin Fluegge CLA 2010-12-24 06:07:41 EST 
Created attachment 185805 [details]
Patch v1

Changed the cast to Edge, which is higher in the inheritance hierarchy.
Comment 2 Martin Fluegge CLA 2010-12-24 06:08:16 EST 
Committed to HEAD.
Comment 3 Eike Stepper CLA 2011-06-23 03:40:31 EDT 
Available in R20110608-1407