Tuesday, September 28, 2010

JavaScriptException: (TypeError): while collapsing and expanding a Tree

Hi All,

I have used TreePanel. i did not include expand and collpase buttons.
when the tree is collpasing or expanding i am getting the following
error.please help me..........

[ERROR] Uncaught exception escaped
com.google.gwt.core.client.JavaScriptException: (TypeError):
'parentElement' is null or not an object
number: -2146823281
description: 'parentElement' is null or not an object
at com.google.gwt.dom.client.DOMImplTrident.getParentElement(Native
Method)
at com.google.gwt.dom.client.Element$.getParentElement$(Element.java:
257)
at com.google.gwt.user.client.DOM.getParent(DOM.java:893)
at
com.google.gwt.user.client.ui.StackPanel.findDividerIndex(StackPanel.java:
293)
at
com.google.gwt.user.client.ui.StackPanel.onBrowserEvent(StackPanel.java:
169)
at com.google.gwt.user.client.DOM.dispatchEventImpl(DOM.java:1320)
at com.google.gwt.user.client.DOM.dispatchEventAndCatch(DOM.java:
1299)
at com.google.gwt.user.client.DOM.dispatchEvent(DOM.java:1262)

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