[BBB-USERS] Read-once binding reads three times

[<drekbour@fastmail.fm>]

I have an expensive and uncached bean call which returns a
List<ExpensiveObject> that I wish to bind to a JComboBox.  For some
reason the EL parsing code is evaluating the property three times from
within a single call to bindingGroup.bind() despite READ_ONCE being
chosen.

NB 6.8 generated code (stripped down for clarity):
ELProperty eLProperty = ELProperty.create("${expensiveObjects}");
JComboBoxBinding jComboBoxBinding =
SwingBindings.createJComboBoxBinding(AutoBinding.UpdateStrategy.READ_ON
CE, serviceObject1, eLProperty, jComboBox1, "");
bindingGroup.addBinding(jComboBoxBinding);

Same behaviour with BB-1.2.1 and BBB-1.3.0

[ as an aside, is there a better architecture to call the service
method "findExpensiveObjects" to get this list instead of renaming it
and pretending it is a javabeans property getter ]

Thanks! Drek