problem in error handling using struts validator framework

Question

Hi,

i have following defined in struts-config.xml

        <action-mappings>

    <!-- action for login  -->
    <action input="/views/login.jsp" name="LoginForm" path="/Login" scope="session" type="com.actions.LoginAction"
    parameter="method" validate="true">
        <forward name="success" path="/views/Frameset.html" />

    </action>
       </action-mappings>

<message-resources parameter="/WEB-INF/ApplicationResources"/>
    <!-- ========================= Validator plugin ================================= -->
<plug-in className="org.apache.struts.validator.ValidatorPlugIn">
    <set-property
        property="pathnames"
        value="/WEB-INF/validator-rules.xml,/WEB-INF/validation.xml"/>
</plug-in>

the login form has public ActionErrors validate(ActionMapping mapping, HttpServletRequest request) { ActionErrors errors = new ActionErrors(); if (userName == null || userName.length() < 1) { System.out.println("in validate ---"); errors.add("userName", new ActionMessage("error.userName.required")); // TODO: add 'error.name.required' key to your resources } if (password == null || password.length() < 1) { errors.add("password", new ActionMessage("error.password.required")); // TODO: add 'error.name.required' key to your resources } return errors; }

and the login.jsp has
<html:form action="/Login?method=loginUser">

<html:text name="LoginForm" property="userName" /> 

<html:messages id="err_userName" property="userName">
            <bean:write name="err_userName" />
</html:messages>
</html:form>

property file has
error.userName.required = User Name is required.

error.password.required = Password is required.

where am i going wrong ?i am getting following error javax.servlet.jsp.JspException: Cannot find bean error in any scope i just want to display the error in the same jsp

Answer 1

After you obtain the ActionMessages/ActionErrors object which contains the messages or errors you want to display in your input page (using <html:messages> tags or <html:errors> tags), you must call one of the following methods from your Action object to place the result of your validation in scope:

addMessages(HttpServletRequest request, ActionMessages messages)

or

addErrors(HttpServletRequest request, ActionMessages errors)

Are you doing that?