In 2.8.0-SNAPSHOT, when the ValueChangeEvent is triggered for a dropdown, 
I'm encountering the following stack trace:

Uncaught com.google.gwt.event.shared.UmbrellaException: Exception caught: 
Exception caught: (TypeError) : Cannot read property 
'java_util_LinkedList_size' of undefined

com_google_gwt_event_shared_HandlerManager_$fireEvent__Lcom_google_gwt_event_shared_HandlerManager_2Lcom_google_gwt_event_shared_GwtEvent_2V

com_google_gwt_user_client_ui_Widget_$onBrowserEvent__Lcom_google_gwt_user_client_ui_Widget_2Lcom_google_gwt_user_client_Event_2V

_.onBrowserEvent__Lcom_google_gwt_user_client_Event_2V

_.onBrowserEvent__Lcom_google_gwt_user_client_Event_2V

com_google_gwt_user_client_impl_DOMImplStandard_dispatchEvent__Lcom_google_gwt_user_client_Event_2V

(anonymous function)


This only happens in production, in SDM it works without any issues.

I'm not sure which line specifically causes this, because the stacktrace 
stops at the anonymous function. But, it seems to be around where I'm 
creating an autobean object. The first line of my event handler which shows 
a loading message, seems to get executed fine.

Would appreciate a speedy resolution to this, as this is in production. 
Thanks.

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