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https://issues.apache.org/jira/browse/VALIDATOR-221?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12468695
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Henri Yandell commented on VALIDATOR-221:
-----------------------------------------

The Date that should be returned is 02/29/2007 as that's the current year - 
which is invalid.

Next year 02/29 will be valid [no idea DateFormat wise, but that's what I'd 
expect :) ]

> DateValidator considers "02/29" with format "MM/dd" invalid
> -----------------------------------------------------------
>
>                 Key: VALIDATOR-221
>                 URL: https://issues.apache.org/jira/browse/VALIDATOR-221
>             Project: Commons Validator
>          Issue Type: Bug
>    Affects Versions: 1.3.1 Release
>         Environment: Windows XP, Java 1.5.0_04
>            Reporter: Carsten Drossel
>            Priority: Minor
>
> When the date pattern contains only day and month the isValid(..)-method of 
> DateValidator returns false for the value Feb. 29th.
> Here is a JUnit test that fails:
> public void testFebruary29th() throws Exception {
>   assertTrue( DateValidator.getInstance().isValid( "02/29", "MM/dd", true ) );
> }
> The DateValidator uses the parse(..)-method of SimpleDateFormat for the 
> validation. This method appears to complete any date using 01/01/1970 00:00. 
> Since 1970 was not a leap year a ParseException is thrown for the input 
> "02/29" with the format "MM/dd" because 02/29/1970 is not a valid date.
> But IMHO "02/29" should be valid. An example where it makes sense is a search 
> for persons with a certain birthday. 

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