[jira] Resolved: (WICKET-1270) NPE in ListMultipleChoice.updateModel()

["Igor Vaynberg (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/WICKET-1270?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Igor Vaynberg resolved WICKET-1270.
-----------------------------------

       Resolution: Fixed
    Fix Version/s: 1.3.1

> NPE in ListMultipleChoice.updateModel()
> ---------------------------------------
>
>                 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
>             Fix For: 1.3.1
>
>         Attachments: WICKET-1270.patch
>
>
> 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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