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https://issues.apache.org/jira/browse/MYFACES-1467?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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David Chandler updated MYFACES-1467:
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Status: Patch Available (was: Reopened)
> Validation doesn't run for required fields if submitted value is null
> ---------------------------------------------------------------------
>
> Key: MYFACES-1467
> URL: https://issues.apache.org/jira/browse/MYFACES-1467
> Project: MyFaces Core
> Issue Type: Bug
> Components: General
> Affects Versions: 1.1.5-SNAPSHOT, 1.2.0-SNAPSHOT
> Reporter: David Chandler
> Assigned To: Matthias Weßendorf
> Fix For: 1.1.5-SNAPSHOT
>
> 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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