Bug 324231

Description Ram Venkataswamy 2010-09-01 14:26:22 EDT

Build Identifier: M20100818-0800

Deleting association link between entities is broken

Reproducible: Always

Steps to Reproduce:
NOTE: I have updated to the latest build (https://hudson.eclipse.org/hudson/view/WTP/job/cbi-wtp.inc-jpaeditor/lastSuccessfulBuild/artifact/targetPlatform/)

- open JPA diagram displaying entities

- select the association link between entities

- press delete (or context menu | delete)

- Click Yes to confirm

Nothing happens. 

Following exception is recorded in log file:

java.lang.ClassCastException: org.eclipse.jpt.eclipselink.core.internal.v1_2.context.java.EclipseLinkJavaPersistentType1_2 cannot be cast to org.eclipse.jpt.core.internal.jpa1.context.java.GenericJavaPersistentType
	at org.eclipse.jpt.ui.diagrameditor.feature.ClickRemoveAttributeButtonFeature.deleteAttribute(ClickRemoveAttributeButtonFeature.java:63)
	at org.eclipse.jpt.ui.diagrameditor.feature.ClickRemoveAttributeButtonFeature.delete(ClickRemoveAttributeButtonFeature.java:103)
	at org.eclipse.jpt.ui.diagrameditor.feature.DeleteRelationFeature.delete(DeleteRelationFeature.java:79)
	at org.eclipse.graphiti.ui.features.DefaultDeleteFeature.execute(DefaultDeleteFeature.java:130)
	at org.eclipse.graphiti.internal.command.GenericFeatureCommandWithContext.execute(GenericFeatureCommandWithContext.java:64)
	at org.eclipse.graphiti.ui.internal.command.GefCommandWrapper.execute(GefCommandWrapper.java:51)
	at org.eclipse.gef.commands.CompoundCommand.execute(CompoundCommand.java:111)
	at org.eclipse.gef.commands.CommandStack.execute(CommandStack.java:197)
	at org.eclipse.gef.ui.actions.WorkbenchPartAction.execute(WorkbenchPartAction.java:83)
	at org.eclipse.gef.ui.actions.DeleteAction.run(DeleteAction.java:133)
	at org.eclipse.gef.KeyHandler.performStroke(KeyHandler.java:83)
	at org.eclipse.gef.KeyHandler.keyPressed(KeyHandler.java:55)
	at org.eclipse.gef.KeyHandler.keyPressed(KeyHandler.java:59)
	at org.eclipse.gef.ui.parts.GraphicalViewerKeyHandler.keyPressed(GraphicalViewerKeyHandler.java:338)
	at org.eclipse.gef.tools.SelectionTool.handleKeyDown(SelectionTool.java:329)
	at org.eclipse.gef.tools.PanningSelectionTool.handleKeyDown(PanningSelectionTool.java:161)
	at org.eclipse.gef.tools.AbstractTool.keyDown(AbstractTool.java:1021)
	at org.eclipse.gef.tools.SelectionTool.keyDown(SelectionTool.java:489)
	at org.eclipse.gef.EditDomain.keyDown(EditDomain.java:169)
	at org.eclipse.gef.ui.parts.DomainEventDispatcher.dispatchKeyPressed(DomainEventDispatcher.java:252)
	at org.eclipse.draw2d.LightweightSystem$EventHandler.keyPressed(LightweightSystem.java:497)
	at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:161)
	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.Widget.sendEvent(Widget.java:1077)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1062)
	at org.eclipse.swt.widgets.Widget.sendKeyEvent(Widget.java:1103)
	at org.eclipse.swt.widgets.Widget.sendKeyEvent(Widget.java:1099)
	at org.eclipse.swt.widgets.Widget.wmKeyDown(Widget.java:1808)
	at org.eclipse.swt.widgets.Control.WM_KEYDOWN(Control.java:4496)
	at org.eclipse.swt.widgets.Control.windowProc(Control.java:4191)
	at org.eclipse.swt.widgets.Canvas.windowProc(Canvas.java:341)
	at org.eclipse.swt.widgets.Display.windowProc(Display.java:4886)
	at org.eclipse.swt.internal.win32.OS.DispatchMessageW(Native Method)
	at org.eclipse.swt.internal.win32.OS.DispatchMessage(OS.java:2459)
	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3655)
	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(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: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)