[jira] Resolved: (WICKET-2237) DateTimeField throws NPE if date is cleared

["Juergen Donnerstag (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/WICKET-2237?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Juergen Donnerstag resolved WICKET-2237.
----------------------------------------

       Resolution: Duplicate
    Fix Version/s: 1.4-RC3

Looks like it has been fixed in trunk already

	public void setDate(Date date)
	{
		if (date == null) {
			this.date = null;
			setDefaultModelObject(null);
			setHours(null);
			setMinutes(null);
			return;
		}
 ...

> DateTimeField throws NPE if date is cleared
> -------------------------------------------
>
>                 Key: WICKET-2237
>                 URL: https://issues.apache.org/jira/browse/WICKET-2237
>             Project: Wicket
>          Issue Type: Bug
>          Components: wicket-datetime
>    Affects Versions: 1.4-RC2
>            Reporter: Esko Suomi
>             Fix For: 1.4-RC3
>
>
> We use DateTimeField to set a date of bean object and want to allow user to null that field by removing the date. Separate checkbox/button for setting the date to null would be unintuitive in this. However when the user does that, NPE is thrown at DateTimeField#setTime(Date date):239, because if the parameter date is null (as in this case it is), the flow of the method is as follows:
> 231: set this.date to null
> 232: set default model object to null
> 239: call .set() on this.date which is now null - throws NPE
> Most simple fix for this would most likely be to insert if(date == null) { return; } to line 233.

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