ENTRY org.eclipse.core.databinding 4 0 2016-12-02 13:57:45.902
!MESSAGE An error occurred while setting the value.
!STACK 0
java.lang.NullPointerException
	at org.eclipse.emf.edit.command.SetCommand.create(SetCommand.java:362)
	at org.eclipse.emf.edit.command.SetCommand.create(SetCommand.java:83)
	at org.eclipse.emf.databinding.edit.internal.EMFEditValueProperty.doSetValue(EMFEditValueProperty.java:44)
	at org.eclipse.core.databinding.property.value.ValueProperty.setValue(ValueProperty.java:89)
	at org.eclipse.core.internal.databinding.property.value.SimplePropertyObservableValue.doSetValue(SimplePropertyObservableValue.java:110)
	at org.eclipse.core.databinding.observable.value.AbstractObservableValue.setValue(AbstractObservableValue.java:66)
	at org.eclipse.core.databinding.observable.value.DecoratingObservableValue.setValue(DecoratingObservableValue.java:115)
	at org.eclipse.core.databinding.UpdateValueStrategy.doSet(UpdateValueStrategy.java:469)
	at org.eclipse.core.databinding.ValueBinding$3$1.run(ValueBinding.java:206)
	at org.eclipse.core.databinding.observable.Realm$1.run(Realm.java:149)
	at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
	at org.eclipse.core.databinding.observable.Realm.safeRun(Realm.java:153)
	at org.eclipse.core.databinding.observable.Realm.exec(Realm.java:171)
	at org.eclipse.core.databinding.ValueBinding$3.run(ValueBinding.java:196)
	at org.eclipse.core.databinding.observable.Realm$1.run(Realm.java:149)
	at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
	at org.eclipse.core.databinding.observable.Realm.safeRun(Realm.java:153)
	at org.eclipse.core.databinding.observable.Realm.exec(Realm.java:171)
	at org.eclipse.core.databinding.ValueBinding.doUpdate(ValueBinding.java:158)
	at org.eclipse.core.databinding.ValueBinding.access$4(ValueBinding.java:147)
	at org.eclipse.core.databinding.ValueBinding$1.handleValueChange(ValueBinding.java:46)
	at org.eclipse.core.databinding.observable.value.ValueChangeEvent.dispatch(ValueChangeEvent.java:70)
	at org.eclipse.core.databinding.observable.ChangeManager.fireEvent(ChangeManager.java:117)
	at org.eclipse.core.databinding.observable.value.DecoratingObservableValue.fireValueChange(DecoratingObservableValue.java:61)
	at org.eclipse.core.databinding.observable.value.DecoratingObservableValue.handleValueChange(DecoratingObservableValue.java:103)
	at org.eclipse.core.databinding.observable.value.DecoratingObservableValue$1.handleValueChange(DecoratingObservableValue.java:76)
	at org.eclipse.core.databinding.observable.value.ValueChangeEvent.dispatch(ValueChangeEvent.java:70)
	at org.eclipse.core.databinding.observable.ChangeManager.fireEvent(ChangeManager.java:117)
	at org.eclipse.core.databinding.observable.value.AbstractObservableValue.fireValueChange(AbstractObservableValue.java:82)
	at org.eclipse.core.internal.databinding.property.value.SimplePropertyObservableValue.notifyIfChanged(SimplePropertyObservableValue.java:126)
	at org.eclipse.core.internal.databinding.property.value.SimplePropertyObservableValue.access$3(SimplePropertyObservableValue.java:118)
	at org.eclipse.core.internal.databinding.property.value.SimplePropertyObservableValue$1$1.run(SimplePropertyObservableValue.java:70)
	at org.eclipse.core.databinding.observable.Realm$1.run(Realm.java:149)
	at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
	at org.eclipse.core.databinding.observable.Realm.safeRun(Realm.java:153)
	at org.eclipse.core.databinding.observable.Realm.exec(Realm.java:171)
	at org.eclipse.core.internal.databinding.property.value.SimplePropertyObservableValue$1.handleEvent(SimplePropertyObservableValue.java:66)
	at org.eclipse.core.databinding.property.NativePropertyListener.fireChange(NativePropertyListener.java:69)
	at org.eclipse.jface.internal.databinding.swt.WidgetListener.handleEvent(WidgetListener.java:55)
	at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:109)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:687)
	at org.eclipse.swt.widgets.Widget.notifyListeners(Widget.java:594)
	at org.eclipse.swt.widgets.Display.executeNextEvent(Display.java:1217)
	at org.eclipse.swt.widgets.Display.runPendingMessages(Display.java:1198)
	at org.eclipse.swt.widgets.Display.safeReadAndDispatch(Display.java:1181)
	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:1173)
	at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2733)
	at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2694)
	at org.eclipse.ui.internal.Workbench.access$5(Workbench.java:2530)
	at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:701)
	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:336)
	at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:684)
	at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:157)
	at org.eclipse.rap.demo.DemoWorkbench.createUI(DemoWorkbench.java:64)
	at org.eclipse.rap.rwt.internal.lifecycle.RWTLifeCycle.createUI(RWTLifeCycle.java:177)
	at org.eclipse.rap.rwt.internal.lifecycle.RWTLifeCycle$UIThreadController.run(RWTLifeCycle.java:290)
	at java.lang.Thread.run(Thread.java:745)
	at org.eclipse.rap.rwt.internal.lifecycle.UIThread.run(UIThread.java:107)