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Build Identifier: An error message is logged to Error Log whenever an association is created Reproducible: Always Steps to Reproduce: 1. Create a new model project 2. Create a class diagram file 3. Create two entity artifacts in class diagram 4. Open Error log view 5. Create an association between the two entities. Notice the following error being logged to Error Log view: org.eclipse.core.internal.resources.ResourceException: Resource '/ThirdProject/src/com/mycompany/Association0.java' already exists. at org.eclipse.core.internal.resources.Resource.checkDoesNotExist(Resource.java:305) at org.eclipse.core.internal.resources.Resource.checkDoesNotExist(Resource.java:292) at org.eclipse.core.internal.resources.File.create(File.java:120) at org.eclipse.core.internal.resources.File.create(File.java:196) at org.eclipse.tigerstripe.workbench.internal.core.model.AbstractArtifact.doSave(AbstractArtifact.java:1489) at org.eclipse.tigerstripe.workbench.internal.core.model.AbstractArtifact.doSave(AbstractArtifact.java:1402) at org.eclipse.tigerstripe.workbench.internal.core.model.AssociationArtifact.doSave(AssociationArtifact.java:246) at org.eclipse.tigerstripe.workbench.internal.api.patterns.ArtifactPattern.addToManager(ArtifactPattern.java:174) at org.eclipse.tigerstripe.workbench.ui.visualeditor.diagram.edit.policies.ManagedEntityArtifactItemSemanticEditPolicy$CreateIncomingCustomAssociation3001Command.doExecuteWithResult(ManagedEntityArtifactItemSemanticEditPolicy.java:792) at org.eclipse.gmf.runtime.emf.commands.core.command.AbstractTransactionalCommand.doExecute(AbstractTransactionalCommand.java:247) at org.eclipse.emf.workspace.AbstractEMFOperation.execute(AbstractEMFOperation.java:150) at org.eclipse.gmf.runtime.diagram.ui.commands.SemanticCreateCommand.doExecuteWithResult(SemanticCreateCommand.java:91) at org.eclipse.gmf.runtime.common.core.command.AbstractCommand.execute(AbstractCommand.java:135) at org.eclipse.gmf.runtime.common.core.command.CompositeCommand.doExecuteWithResult(CompositeCommand.java:403) at org.eclipse.gmf.runtime.common.core.command.AbstractCommand.execute(AbstractCommand.java:135) at org.eclipse.gmf.runtime.diagram.ui.commands.ICommandProxy.execute(ICommandProxy.java:68) at org.eclipse.gef.commands.CompoundCommand.execute(CompoundCommand.java:111) at org.eclipse.gmf.runtime.diagram.ui.editpolicies.GraphicalNodeEditPolicy$PromptAndCreateConnectionCommand.doExecuteWithResult(GraphicalNodeEditPolicy.java:157) at org.eclipse.gmf.runtime.common.core.command.AbstractCommand.execute(AbstractCommand.java:135) 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:135) at org.eclipse.core.commands.operations.DefaultOperationHistory.execute(DefaultOperationHistory.java:511) 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.gmf.runtime.diagram.ui.tools.ConnectionCreationTool.handleCreateConnection(ConnectionCreationTool.java:341) at org.eclipse.gmf.runtime.diagram.ui.tools.ConnectionCreationTool.handleButtonUp(ConnectionCreationTool.java:181) at org.eclipse.gmf.runtime.diagram.ui.internal.tools.ConnectionHandleTool.handleButtonUp(ConnectionHandleTool.java:132) at org.eclipse.gef.tools.AbstractTool.mouseUp(AbstractTool.java:1201) at org.eclipse.gef.tools.SelectionTool.mouseUp(SelectionTool.java:572) at org.eclipse.gef.EditDomain.mouseUp(EditDomain.java:301) at org.eclipse.gef.ui.parts.DomainEventDispatcher.dispatchMouseReleased(DomainEventDispatcher.java:380) at org.eclipse.draw2d.LightweightSystem$EventHandler.mouseUp(LightweightSystem.java:548) at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:213) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:3776) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1367) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1390) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1375) at org.eclipse.swt.widgets.Widget.notifyListeners(Widget.java:1187) at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3622) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3277) at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2629) at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2593) at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2427) at org.eclipse.ui.internal.Workbench$7.run(Workbench.java:670) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:663) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:115) 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:369) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:179) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:619) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:574) at org.eclipse.equinox.launcher.Main.run(Main.java:1407) at org.eclipse.equinox.launcher.Main.main(Main.java:1383)
Fixed. This was a race condition. Modified file: ArtifactLinkCreateRequest
