Looks more like that your code has registered a Window.addResizeHandler()
and that registered handler has some code of the form
someInstance.isShowing() and "someInstance" is null.
To get the real exception from the resize handler you need to inspect
UmbrellaException.getCauses().
-- J.
--
Y
Hello,
I have this very odd exception thrown when re sizing a window in an
application which recently was updated to use GWT 2.7 (also other libs were
updated to support GWT 2.7):
Uncaught com.google.gwt.event.shared.UmbrellaException: 2 exceptions caught:
(TypeError) : Cannot read property 'is
