exception thrown when automatic layout in state automation UI

to reproduce exception:

open the ACC example
go to component “AccelarationControl”
right click in the state automation UI
click the “Automatic Layout”
observe the console

Operating system details:
Win 10 Pro

Following is the exception stack:

!ENTRY org.fortiss.tooling.kernel 2 0 2020-05-09 16:33:01.108
!MESSAGE Diagnosis of org.fortiss.af3.project.model.impl.FileProjectImpl@1237aa73{platform:/resource/AF3-Project-Directory/ACC.af3_23#3580}
The required feature ‘jitter’ of ‘org.fortiss.af3.timing.model.impl.PeriodicConstraintImpl@2b71a12e{platform:/resource/AF3-Project-Directory/ACC.af3_23#3911}’ must be set

!ENTRY org.eclipse.emf.common 2 0 2020-05-09 16:33:04.894
!MESSAGE An exception was ignored during command execution
!STACK 0
org.eclipse.emf.common.util.WrappedException: An exception was ignored during command execution
at org.eclipse.emf.common.command.BasicCommandStack.handleError(BasicCommandStack.java:281)
at org.eclipse.emf.transaction.impl.AbstractTransactionalCommandStack.handleError(AbstractTransactionalCommandStack.java:125)
at org.eclipse.emf.common.command.BasicCommandStack.execute(BasicCommandStack.java:112)
at org.eclipse.emf.transaction.impl.AbstractTransactionalCommandStack.basicExecute(AbstractTransactionalCommandStack.java:241)
at org.eclipse.emf.transaction.impl.TransactionalCommandStackImpl.doExecute(TransactionalCommandStackImpl.java:63)
at org.eclipse.emf.transaction.impl.AbstractTransactionalCommandStack.execute(AbstractTransactionalCommandStack.java:165)
at org.eclipse.emf.transaction.impl.AbstractTransactionalCommandStack.execute(AbstractTransactionalCommandStack.java:219)
at org.fortiss.tooling.kernel.internal.storage.eclipse.AutoUndoCommandStack.execute(AutoUndoCommandStack.java:79)
at org.fortiss.tooling.kernel.internal.storage.eclipse.ModelContext.runAsCommand(ModelContext.java:393)
at org.fortiss.tooling.base.ui.layout.auto.KielerAutoLayouter.applyLayout(KielerAutoLayouter.java:185)
at org.fortiss.tooling.base.ui.layout.auto.KielerAutoLayouter.performAutoLayout(KielerAutoLayouter.java:131)
at org.fortiss.tooling.base.ui.utils.ContextMenuUtils.lambda$5(ContextMenuUtils.java:96)
at org.fortiss.tooling.kernel.internal.storage.eclipse.ModelContext$2.execute(ModelContext.java:402)
at org.fortiss.tooling.kernel.internal.storage.eclipse.EMFTransactionalCommand$1.doExecute(EMFTransactionalCommand.java:55)
at org.eclipse.emf.transaction.RecordingCommand.execute(RecordingCommand.java:135)
at org.fortiss.tooling.kernel.internal.storage.eclipse.EMFTransactionalCommand$2.run(EMFTransactionalCommand.java:67)
at org.fortiss.tooling.kernel.internal.storage.eclipse.EMFTransactionalCommand.runInTransaction(EMFTransactionalCommand.java:99)
at org.fortiss.tooling.kernel.internal.storage.eclipse.EMFTransactionalCommand.execute(EMFTransactionalCommand.java:64)
at org.eclipse.emf.common.command.BasicCommandStack.execute(BasicCommandStack.java:78)
at org.eclipse.emf.transaction.impl.AbstractTransactionalCommandStack.basicExecute(AbstractTransactionalCommandStack.java:241)
at org.eclipse.emf.transaction.impl.TransactionalCommandStackImpl.doExecute(TransactionalCommandStackImpl.java:63)
at org.eclipse.emf.transaction.impl.AbstractTransactionalCommandStack.execute(AbstractTransactionalCommandStack.java:165)
at org.eclipse.emf.transaction.impl.AbstractTransactionalCommandStack.execute(AbstractTransactionalCommandStack.java:219)
at org.fortiss.tooling.kernel.internal.storage.eclipse.AutoUndoCommandStack.execute(AutoUndoCommandStack.java:79)
at org.fortiss.tooling.kernel.internal.storage.eclipse.ModelContext.runAsCommand(ModelContext.java:393)
at org.fortiss.tooling.kernel.internal.CommandStackService.runAsCommand(CommandStackService.java:103)
at org.fortiss.tooling.base.ui.utils.ContextMenuUtils.lambda$4(ContextMenuUtils.java:94)
at javafx.base/com.sun.javafx.event.CompositeEventHandler.dispatchBubblingEvent(CompositeEventHandler.java:86)
at javafx.base/com.sun.javafx.event.EventHandlerManager.dispatchBubblingEvent(EventHandlerManager.java:238)
at javafx.base/com.sun.javafx.event.EventHandlerManager.dispatchBubblingEvent(EventHandlerManager.java:191)
at javafx.base/com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:58)
at javafx.base/com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)
at javafx.base/com.sun.javafx.event.EventUtil.fireEventImpl(EventUtil.java:74)
at javafx.base/com.sun.javafx.event.EventUtil.fireEvent(EventUtil.java:49)
at javafx.base/javafx.event.Event.fireEvent(Event.java:198)
at javafx.controls/javafx.scene.control.MenuItem.fire(MenuItem.java:459)
at javafx.controls/com.sun.javafx.scene.control.ContextMenuContent$MenuItemContainer.doSelect(ContextMenuContent.java:1380)
at javafx.controls/com.sun.javafx.scene.control.ContextMenuContent

MenuItemContainer.lambda

createChildren$12(ContextMenuContent.java:1333)
at javafx.base/com.sun.javafx.event.CompositeEventHandler$NormalEventHandlerRecord.handleBubblingEvent(CompositeEventHandler.java:218)
at javafx.base/com.sun.javafx.event.CompositeEventHandler.dispatchBubblingEvent(CompositeEventHandler.java:80)
at javafx.base/com.sun.javafx.event.EventHandlerManager.dispatchBubblingEvent(EventHandlerManager.java:238)
at javafx.base/com.sun.javafx.event.EventHandlerManager.dispatchBubblingEvent(EventHandlerManager.java:191)
at javafx.base/com.sun.javafx.event.CompositeEventDispatcher.dispatchBubblingEvent(CompositeEventDispatcher.java:59)
at javafx.base/com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:58)
at javafx.base/com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)
at javafx.base/com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:56)
at javafx.base/com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)
at javafx.base/com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:56)
at javafx.base/com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)
at javafx.base/com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:56)
at javafx.base/com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)
at javafx.base/com.sun.javafx.event.EventUtil.fireEventImpl(EventUtil.java:74)
at javafx.base/com.sun.javafx.event.EventUtil.fireEvent(EventUtil.java:54)
at javafx.base/javafx.event.Event.fireEvent(Event.java:198)
at javafx.graphics/javafx.scene.Scene$MouseHandler.process(Scene.java:3862)
at javafx.graphics/javafx.scene.Scene.processMouseEvent(Scene.java:1849)
at javafx.graphics/javafx.scene.Scene$ScenePeerListener.mouseEvent(Scene.java:2590)
at javafx.graphics/com.sun.javafx.tk.quantum.GlassViewEventHandler$MouseEventNotification.run(GlassViewEventHandler.java:409)
at javafx.graphics/com.sun.javafx.tk.quantum.GlassViewEventHandler$MouseEventNotification.run(GlassViewEventHandler.java:299)
at java.base/java.security.AccessController.doPrivileged(Native Method)
at javafx.graphics/com.sun.javafx.tk.quantum.GlassViewEventHandler.lambda$handleMouseEvent$2(GlassViewEventHandler.java:447)
at javafx.graphics/com.sun.javafx.tk.quantum.QuantumToolkit.runWithoutRenderLock(QuantumToolkit.java:412)
at javafx.graphics/com.sun.javafx.tk.quantum.GlassViewEventHandler.handleMouseEvent(GlassViewEventHandler.java:446)
at javafx.graphics/com.sun.glass.ui.View.handleMouseEvent(View.java:556)
at javafx.graphics/com.sun.glass.ui.View.notifyMouse(View.java:942)
at org.eclipse.swt.internal.win32.OS.DispatchMessage(Native Method)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3585)
at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1160)
at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338)
at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1049)
at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155)
at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:660)
at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338)
at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:559)
at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:154)
at org.fortiss.af3.rcapplication.AF3Application.start(AF3Application.java:49)
at org.eclipse.equinox.internal.apEclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:137)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:107)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:566)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594)
at org.eclipse.equinox.launcher.Main.run(Main.java:1465)
at org.eclipse.equinox.launcher.Main.main(Main.java:1438)
Caused by: org.eclipse.emf.common.util.BasicEList$BasicIndexOutOfBoundsException: index=4, size=4
at org.eclipse.emf.common.util.BasicEList.get(BasicEList.java:346)
at org.fortiss.tooling.base.ui.editor.fx.visual.LayoutedCurveLinkVisual.getBendPointLocation(LayoutedCurveLinkVisual.java:63)
at org.fortiss.tooling.common.ui.javafx.lwfxef.visual.elliptic.CurveLinkVisualBase.updateNodes(CurveLinkVisualBase.java:142)
at org.fortiss.tooling.common.ui.javafx.lwfxef.visual.base.ContentVisualBase.removeTag(ContentVisualBase.java:169)
at org.fortiss.tooling.common.ui.javafx.lwfxef.visual.base.ContentVisualBase.applyNotSelectedEffect(ContentVisualBase.java:139)
at org.fortiss.tooling.common.ui.javafx.lwfxef.visual.base.MVCBundlePartWithEffectsBase.updateNodes(MVCBundlePartWithEffectsBase.java:46)
at org.fortiss.tooling.common.ui.javafx.lwfxef.visual.base.VisualBase.updateNodes(VisualBase.java:135)
at org.fortiss.tooling.common.ui.javafx.lwfxef.visual.base.ContentVisualBase.updateNodes(ContentVisualBase.java:179)
at org.fortiss.tooling.common.ui.javafx.lwfxef.visual.elliptic.EllipticContentVisualBase.updateNodes(EllipticContentVisualBase.java:43)
at org.fortiss.tooling.common.ui.javafx.lwfxef.MVCBundleManager.updateContentVisual(MVCBundleManager.java:567)
at org.fortiss.tooling.common.ui.javafx.lwfxef.MVCBundleManager.updateVisual(MVCBundleManager.java:540)
at org.fortiss.tooling.common.ui.javafx.lwfxef.DiagramViewer.updateVisual(DiagramViewer.java:473)
at org.fortiss.tooling.common.ui.javafx.lwfxef.mvc.impl.ContentMVCBundle.changed(ContentMVCBundle.java:109)
at org.fortiss.tooling.common.ui.javafx.lwfxef.model.ModelChangeProviderBase.fireUpdateComplete(ModelChangeProviderBase.java:54)
at org.fortiss.tooling.base.ui.editor.fx.controller.KernelServiceBasedModelChangeProviderBase.commandStackChanged(KernelServiceBasedModelChangeProviderBase.java:86)
at org.fortiss.tooling.kernel.internal.storage.eclipse.ModelContext.commandStackChanged(ModelContext.java:494)
at org.eclipse.emf.common.command.BasicCommandStack.notifyListeners(BasicCommandStack.java:270)
at org.eclipse.emf.common.command.BasicCommandStack.execute(BasicCommandStack.java:104)
… 86 more

!ENTRY org.fortiss.tooling.kernel 4 0 2020-05-09 16:33:04.902
!MESSAGE Transaction was rolled back!
!STACK 0
org.eclipse.emf.transaction.RollbackException: index=4, size=4
at org.eclipse.emf.transaction.impl.TransactionImpl.commit(TransactionImpl.java:405)
at org.fortiss.tooling.kernel.internal.storage.eclipse.EMFTransactionalCommand.runInTransaction(EMFTransactionalCommand.java:106)
at org.fortiss.tooling.kernel.internal.storage.eclipse.EMFTransactionalCommand.execute(EMFTransactionalCommand.java:64)
at org.eclipse.emf.common.command.BasicCommandStack.execute(BasicCommandStack.java:78)
at org.eclipse.emf.transaction.impl.AbstractTransactionalCommandStack.basicExecute(AbstractTransactionalCommandStack.java:241)
at org.eclipse.emf.transaction.impl.TransactionalCommandStackImpl.doExecute(TransactionalCommandStackImpl.java:63)
at org.eclipse.emf.transaction.impl.AbstractTransactionalCommandStack.execute(AbstractTransactionalCommandStack.java:165)
at org.eclipse.emf.transaction.impl.AbstractTransactionalCommandStack.execute(AbstractTransactionalCommandStack.java:219)
at org.fortiss.tooling.kernel.internal.storage.eclipse.AutoUndoCommandStack.execute(AutoUndoCommandStack.java:79)
at org.fortiss.tooling.kernel.internal.storage.eclipse.ModelContext.runAsCommand(ModelContext.java:393)
at org.fortiss.tooling.kernel.internal.CommandStackService.runAsCommand(CommandStackService.java:103)
at org.fortiss.tooling.base.ui.utils.ContextMenuUtils.lambda$4(ContextMenuUtils.java:94)
at javafx.base/com.sun.javafx.event.CompositeEventHandler.dispatchBubblingEvent(CompositeEventHandler.java:86)
at javafx.base/com.sun.javafx.event.EventHandlerManager.dispatchBubblingEvent(EventHandlerManager.java:238)
at javafx.base/com.sun.javafx.event.EventHandlerManager.dispatchBubblingEvent(EventHandlerManager.java:191)
at javafx.base/com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:58)
at javafx.base/com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)
at javafx.base/com.sun.javafx.event.EventUtil.fireEventImpl(EventUtil.java:74)
at javafx.base/com.sun.javafx.event.EventUtil.fireEvent(EventUtil.java:49)
at javafx.base/javafx.event.Event.fireEvent(Event.java:198)
at javafx.controls/javafx.scene.control.MenuItem.fire(MenuItem.java:459)
at javafx.controls/com.sun.javafx.scene.control.ContextMenuContent$MenuItemContainer.doSelect(ContextMenuContent.java:1380)
at javafx.controls/com.sun.javafx.scene.control.ContextMenuContent

MenuItemContainer.lambda

!ENTRY org.eclipse.emf.common 2 0 2020-05-09 16:33:04.903
!MESSAGE An exception was ignored during command execution
!STACK 0
org.eclipse.emf.common.util.WrappedException: An exception was ignored during command execution
at org.eclipse.emf.common.command.BasicCommandStack.handleError(BasicCommandStack.java:281)
at org.eclipse.emf.transaction.impl.AbstractTransactionalCommandStack.handleError(AbstractTransactionalCommandStack.java:125)
at org.eclipse.emf.common.command.BasicCommandStack.execute(BasicCommandStack.java:112)
at org.eclipse.emf.transaction.impl.AbstractTransactionalCommandStack.basicExecute(AbstractTransactionalCommandStack.java:241)
at org.eclipse.emf.transaction.impl.TransactionalCommandStackImpl.doExecute(TransactionalCommandStackImpl.java:63)
at org.eclipse.emf.transaction.impl.AbstractTransactionalCommandStack.execute(AbstractTransactionalCommandStack.java:165)
at org.eclipse.emf.transaction.impl.AbstractTransactionalCommandStack.execute(AbstractTransactionalCommandStack.java:219)
at org.fortiss.tooling.kernel.internal.storage.eclipse.AutoUndoCommandStack.execute(AutoUndoCommandStack.java:79)
at org.fortiss.tooling.kernel.internal.storage.eclipse.ModelContext.runAsCommand(ModelContext.java:393)
at org.fortiss.tooling.kernel.internal.CommandStackService.runAsCommand(CommandStackService.java:103)
at org.fortiss.tooling.base.ui.utils.ContextMenuUtils.lambda$4(ContextMenuUtils.java:94)
at javafx.base/com.sun.javafx.event.CompositeEventHandler.dispatchBubblingEvent(CompositeEventHandler.java:86)
at javafx.base/com.sun.javafx.event.EventHandlerManager.dispatchBubblingEvent(EventHandlerManager.java:238)
at javafx.base/com.sun.javafx.event.EventHandlerManager.dispatchBubblingEvent(EventHandlerManager.java:191)
at javafx.base/com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:58)
at javafx.base/com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)
at javafx.base/com.sun.javafx.event.EventUtil.fireEventImpl(EventUtil.java:74)
at javafx.base/com.sun.javafx.event.EventUtil.fireEvent(EventUtil.java:49)
at javafx.base/javafx.event.Event.fireEvent(Event.java:198)
at javafx.controls/javafx.scene.control.MenuItem.fire(MenuItem.java:459)
at javafx.controls/com.sun.javafx.scene.control.ContextMenuContent$MenuItemContainer.doSelect(ContextMenuContent.java:1380)
at javafx.controls/com.sun.javafx.scene.control.ContextMenuContent

MenuItemContainer.lambda

!ENTRY org.eclipse.emf.common 2 0 2020-05-09 16:33:04.906
!MESSAGE An exception was ignored during command execution
!STACK 0
org.eclipse.emf.common.util.WrappedException: An exception was ignored during command execution
at org.eclipse.emf.common.command.BasicCommandStack.handleError(BasicCommandStack.java:281)
at org.eclipse.emf.transaction.impl.AbstractTransactionalCommandStack.handleError(AbstractTransactionalCommandStack.java:125)
at org.eclipse.emf.transaction.impl.AbstractTransactionalCommandStack.execute(AbstractTransactionalCommandStack.java:229)
at org.fortiss.tooling.kernel.internal.storage.eclipse.AutoUndoCommandStack.execute(AutoUndoCommandStack.java:79)
at org.fortiss.tooling.kernel.internal.storage.eclipse.ModelContext.runAsCommand(ModelContext.java:393)
at org.fortiss.tooling.kernel.internal.CommandStackService.runAsCommand(CommandStackService.java:103)
at org.fortiss.tooling.base.ui.utils.ContextMenuUtils.lambda$4(ContextMenuUtils.java:94)
at javafx.base/com.sun.javafx.event.CompositeEventHandler.dispatchBubblingEvent(CompositeEventHandler.java:86)
at javafx.base/com.sun.javafx.event.EventHandlerManager.dispatchBubblingEvent(EventHandlerManager.java:238)
at javafx.base/com.sun.javafx.event.EventHandlerManager.dispatchBubblingEvent(EventHandlerManager.java:191)
at javafx.base/com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:58)
at javafx.base/com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)
at javafx.base/com.sun.javafx.event.EventUtil.fireEventImpl(EventUtil.java:74)
at javafx.base/com.sun.javafx.event.EventUtil.fireEvent(EventUtil.java:49)
at javafx.base/javafx.event.Event.fireEvent(Event.java:198)
at javafx.controls/javafx.scene.control.MenuItem.fire(MenuItem.java:459)
at javafx.controls/com.sun.javafx.scene.control.ContextMenuContent$MenuItemContainer.doSelect(ContextMenuContent.java:1380)
at javafx.controls/com.sun.javafx.scene.control.ContextMenuContent

MenuItemContainer.lambda

(from redmine: issue id 4012, created on 2020-05-09, closed on 2020-08-13)

exception thrown when automatic layout in state automation UI

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