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<validators>
    <validator name="required" 
        class="com.opensymphony.webwork.validators.JavaScriptRequiredFieldValidator"/>
    <validator name="requiredstring"
        class="com.opensymphony.webwork.validators.JavaScriptRequiredStringValidator"/>
    <validator name="stringlength"
        class="com.opensymphony.xwork.validator.validators.StringLengthFieldValidator"/>
    <validator name="int"
        class="com.opensymphony.webwork.validators.JavaScriptIntRangeFieldValidator"/>
    <validator name="date"
        class="com.opensymphony.webwork.validators.JavaScriptDateRangeFieldValidator"/>
    <validator name="expression"
        class="com.opensymphony.xwork.validator.validators.ExpressionValidator"/>
    <validator name="fieldexpression"
        class="com.opensymphony.xwork.validator.validators.FieldExpressionValidator"/>
    <validator name="email"
        class="com.opensymphony.webwork.validators.JavaScriptEmailValidator"/>
    <validator name="url"
        class="com.opensymphony.webwork.validators.JavaScriptURLValidator"/>
    <validator name="visitor"
        class="com.opensymphony.webworkxwork.validators.VisitorFieldValidator"/>
    <validator name="conversion"
        class="com.opensymphony.xwork.validator.validators.ConversionErrorFieldValidator"/>
</validators>