Combopopup window is not recognised by Test complete tool (javax.swing.plaf.basic.BasicComboPopup)

Combopopup window is not recognised by Test complete tool without which i am unable to select the item from available list.

For Combopopup,

JavaClassName-  BasicComboPopup$1
JavaFullClassName-  javax.swing.plaf.basic.BasicComboPopup$1

After spying the object address of the combolist, in properties window,provide a valid parameter and under wItem property and an error is displayed(attachment is provided for your reference) 

For Comboboxlist,

JavaClassName-BasicComboPopup$1
JavaFullClassName-javax.swing.plaf.basic.BasicComboPopup$1

Please provide a solution for the above problem

Thank you

Saravana