Struts validation framework not working

Hi
I created a very simple webapp and using struts validation framework. But, it always give me validation errors even i filled out all the required firled information. i have my struts-config included the plug-in, points to the location of validation.xml & validation-rule.xml, and i have the validate set to true, and an input point to the page when validation fails, plus my formbean to extend the validatorForm. But, no matter what, it always pass the validation. in other words, the validate method in the validator always returns 0 errors. Any ideas what might be wrong? or any suggestions of how i can debug it?
Thanks a lot.
cc

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U need to add permission for delete in the server policy file
please refer to
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