Struts validation of dates

[KiwiJavaHead]

Hi there. I am a struts newbie and have encountered a problem when attempting to validate a date field on a simple Form. The String fields validate as expected but the date fields do not appear to be validated at all. Most frustrating! My code in validate.xml is:
<form name=&quot;TourForm&quot;>

<field property=&quot;tour.tourID&quot; depends=&quot;required,maxlength&quot;>
<arg0 key=&quot;tourform.tourid&quot;/>
<arg1 name=&quot;maxlength&quot; key=&quot;${var:maxlength}&quot; resource=&quot;true&quot;/>

<var>
<var-name>maxlength</var-name>
<var-value>15</var-value>
</var>

</field>
<field
property=&quot;tour.description&quot;
depends=&quot;required,maxlength&quot;>
<arg0 key=&quot;tourform.description&quot;/>
<arg1 name=&quot;maxlength&quot; key=&quot;${var:maxlength}&quot; resource=&quot;true&quot;/>
<var>
<var-name>maxlength</var-name>
<var-value>50</var-value>
</var>

</field>

<field
property=&quot;tour.startAt&quot; depends=&quot;required,date&quot;>
<msg name=&quot;date&quot; key=&quot;errors.date&quot;/>
<arg0 name=&quot;date&quot; key=&quot;tourform.startAt&quot; resource=&quot;true&quot;/>

<var>
<var-name>datePatternStrict</var-name>
<var-value>yyyy-MM-dd</var-value>
</var>
</field>

<field property=&quot;tour.endAt&quot;

depends=&quot;required,date&quot;>

<arg0 key=&quot;tourform.endAt&quot;/>

<var>

<var-name>datePatternStrict</var-name>

<var-value>yyyy-MM-dd</var-value>

</var>

</field>

<field property=&quot;tour.maxCapacity&quot;

depends=&quot;required,integer&quot;>

<arg0 key=&quot;tourform.maxCapacity&quot;/>

</field>

<field property=&quot;tour.minCapacity&quot;

depends=&quot;required,integer&quot;>

<arg0 key=&quot;tourform.minCapacity&quot;/>

</field>



<field property=&quot;tour.singleCost&quot;

depends=&quot;required,double&quot;>

<arg0 key=&quot;tourform.singleCost&quot;/>

</field>

<field property=&quot;tour.doubleCost&quot;

depends=&quot;required,double&quot;>

<arg0 key=&quot;tourform.doubleCost&quot;/>

</field>

</form>

Sorry about the formatting. Any ideas please??