NPE on TreeElement when using method clearChildren on a TreeElement with no
children
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Key: BEEHIVE-971
URL: http://issues.apache.org/jira/browse/BEEHIVE-971
Project: Beehive
Type: Bug
Components: NetUI
Versions: V1
Reporter: Pete Hale
The method clearChildren in TreeElement calls _children.clear() without making
sure that the member variable _children is not null.
Reproduction:
TreeRootElement root = new TreeRootElement();
root.clearChildren();
NPE is thrown
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