NPE in ListMultipleChoice.updateModel()
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Key: WICKET-1270
URL: https://issues.apache.org/jira/browse/WICKET-1270
Project: Wicket
Issue Type: Bug
Components: wicket
Affects Versions: 1.3.0-final
Reporter: Thomas Jaeckle
I noticed a NullPointerException when I cleared a Form with a
ListMultipleChoice to its original state.
In updateModel() following statement causes a NPE when something was selected
in the multiple select but in the original state nothing was selected:
selectedValues.addAll((Collection)getConvertedInput());
getConvertedInput() is null, so ArrayList.addAll() operates on the null value
and throws the NPE.
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