[jira] Commented: (MYFACES-1467) Validation doesn't run for required fields if submitted value is null

["Cagatay Civici (JIRA)" <de...@myfaces.apache.org>]

    [ http://issues.apache.org/jira/browse/MYFACES-1467?page=comments#action_12442108 ] 
            
Cagatay Civici commented on MYFACES-1467:
-----------------------------------------

I've doubts about this, if submitted value is null it means the component isn't submitted at all and it does not make sense to run validation whether it is required or not. RI also behaves the same way.

> Validation doesn't run for required fields if submitted value is null
> ---------------------------------------------------------------------
>
>                 Key: MYFACES-1467
>                 URL: http://issues.apache.org/jira/browse/MYFACES-1467
>             Project: MyFaces Core
>          Issue Type: Bug
>          Components: General
>    Affects Versions: 1.2.0-SNAPSHOT, 1.1.5-SNAPSHOT
>            Reporter: David Chandler
>         Assigned To: Matthias Weßendorf
>         Attachments: patch.txt
>
>
> A component with a required value will not fail validation as expected if the submitted value is null. This issue is not seen normally because browsers send the value for an empty text field as an empty string. That is, the POST data for an empty field1 will contain the field name but no value, like field1=&field2=something. However, if you use a man-in-the-middle proxy such as Paros to remove "fieldname=" from the POST data, the submitted value will be null. UIInput.validate() skips validation for null submitted values, but since requiredness is also part of validation, the requiredness check gets skipped, too.

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