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https://issues.apache.org/jira/browse/WICKET-2237?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Esko Suomi updated WICKET-2237:
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Description:
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.
was:
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). 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.
> 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
>
> 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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