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From Nate Drake <>
Subject ActionErrors and Servlet Filters
Date Fri, 26 Sep 2003 00:07:35 GMT
I have a Servlet Filter that checks that the user has permission to
access the requested page.  If the user does not, I want to send them
back to home.jsp.  In home.jsp, I want to use the <html:errors> tag to
display an error message.

In the filter I do this:

ActionError error = new ActionError(Constants.ERRORS_PERMISSION_DENIED);

ActionErrors errors = new ActionErrors();
errors.add(ActionErrors.GLOBAL_ERROR, error);

request.setAttribute("errparam", errors);

RequestDispatcher rd = request.getRequestDispatcher("home.jsp");
rd.forward(request, response);

In home.jsp I've tried both:

<html:errors name="errparam"/>
<html:errors property="errparam"/>

It forwards back to home.jsp, but the error messages are not displayed. 
Is it possible to use ActionErrors outside of an Action?


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