why no such method exception?

[emaayan]

when i click on a field in a grid, i get this exception, i've seen in the samples that the beans have property change listeners, but wbpro give me some warnings about not having them ?
java.lang.NoSuchMethodException: org.eclipse.jface.viewers.TextCellEditor.removePropertyChangeListener(java.beans.PropertyChangeListener)
at java.lang.Class.getMethod(Class.java:1605)
at org.eclipse.core.internal.databinding.beans.BeanPropertyListenerSupport.processListener(BeanPropertyListenerSupport.java:96)
at org.eclipse.core.internal.databinding.beans.BeanPropertyListenerSupport.unhookListener(BeanPropertyListenerSupport.java:61)
at org.eclipse.core.internal.databinding.beans.BeanPropertyListener.doRemoveFrom(BeanPropertyListener.java:61)
at org.eclipse.core.databinding.property.NativePropertyListener.removeFrom(NativePropertyListener.java:48)
at org.eclipse.core.internal.databinding.property.value.SimplePropertyObservableValue.lastListenerRemoved(SimplePropertyObservableValue.java:91)
at org.eclipse.core.databinding.observable.ChangeManager.removeListener(ChangeManager.java:86)
at org.eclipse.core.databinding.observable.value.AbstractObservableValue.removeValueChangeListener(AbstractObservableValue.java:50)
at org.eclipse.core.databinding.observable.value.DecoratingObservableValue.lastListenerRemoved(DecoratingObservableValue.java:78)
at org.eclipse.core.databinding.observable.ChangeManager.removeListener(ChangeManager.java:86)
at org.eclipse.core.databinding.observable.AbstractObservable.removeStaleListener(AbstractObservable.java:46)
at org.eclipse.core.databinding.observable.DecoratingObservable.dispose(DecoratingObservable.java:116)
at org.eclipse.core.databinding.observable.value.DecoratingObservableValue.dispose(DecoratingObservableValue.java:116)
at org.eclipse.core.internal.databinding.beans.BeanObservableValueDecorator.dispose(BeanObservableValueDecorator.java:44)
at org.eclipse.jface.databinding.viewers.ObservableValueEditingSupport$EditingState.dispose(ObservableValueEditingSupport.java:271)
at org.eclipse.jface.databinding.viewers.ObservableValueEditingSupport$ColumnViewerEditorActivationListenerHelper.afterEditorDeactivated(ObservableValueEditingSupport.java:234)
at org.eclipse.jface.viewers.ColumnViewerEditor.cancelEditing(ColumnViewerEditor.java:409)
at org.eclipse.jface.viewers.ColumnViewerEditor$1.widgetDisposed(ColumnViewerEditor.java:133)
at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:123)
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)

also, is there a way for grid to have a date time picker for dates?

[Eric Clayberg]

when i click on a field in a grid, i get this exception

The is does not seem to be an exception from WindowBuilder (or a WindowBuilder issue).

If you are having runtime issues with the Eclipse Data Binding framework or questions about it, the Eclipse forums would be the appropriate place to ask them.