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From Struts Newsgroup (@Basebeans.com) <str...@basebeans.com>
Subject Re: [ActionError] Incorrect Value Displayed on jsp
Date Fri, 02 Aug 2002 04:10:02 GMT
Subject: Re: [ActionError] Incorrect Value Displayed on jsp
From: "Selvamohan Neethiraj" <selva@erols.com>
 ===
You need to define the following properties in your
ApplicationResources.properties:
errors.footer=
errors.header=

These are the attributes that you are seeing as null values.

Hope this helps,
Selva-
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Selvamohan Neethiraj,
Senior Software Engineer,
TEOCO, Fairfax, VA - 20165
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~




"Brad Jones" <bostitch_21@hotmail.com> wrote in message
news:mailman.1028237521.13241.struts@basebeans.com...
> I am trying to display an error message to the user on the jsp page.  The
> Error is being set in my action and correctly retrieved from the
> ApplicationResources.properties file.  The problem is that it's being
> displayed in the following fassion where First Error is the error that I'm
> trying to display: null First Error null.  I can't figure out where the
> null's are coming from.
>
> Here's my code if anyone has any suggestions that would be greatly
> appreciated:
>
> Jsp Page Code that calls the action (TestAction.jsp):
> <%@ taglib uri="/WEB-INF/struts-html.tld" prefix="html" %>
>
> <HTML>
> <HEAD>
> <META name="GENERATOR" content="IBM WebSphere Studio">
> <TITLE>ForceTest.jsp</TITLE>
> </HEAD>
> <BODY>
>
> <html:form action="/TestAction">
> <html:text property="modelnumber"></html:text>
> <html:submit property="enter"></html:submit>
> </html:form>
>
> </BODY>
> </HTML>
>
> Jsp Page Code that displays the error (TestActionError.jsp):
> <%@ taglib uri="/WEB-INF/struts-bean.tld" prefix="bean" %>
> <%@ taglib uri="/WEB-INF/struts-html.tld" prefix="html" %>
>
> <HTML>
> <HEAD>
> <META name="GENERATOR" content="IBM WebSphere Studio">
> <TITLE>ForceTestError.jsp</TITLE>
> </HEAD>
> <BODY>
> System Error:&nbsp;<html:errors/>
> </BODY>
> </HTML>
>
> Action Class that sets the error (TestAction.java):
> import java.io.IOException;
> import java.lang.reflect.InvocationTargetException;
> import java.util.Locale;
> import java.util.Vector;
> import javax.servlet.RequestDispatcher;
> import javax.servlet.ServletException;
> import javax.servlet.http.HttpServletRequest;
> import javax.servlet.http.HttpSession;
> import javax.servlet.http.HttpServletResponse;
> import org.apache.struts.action.Action;
> import org.apache.struts.action.ActionForm;
>
> import org.apache.struts.action.ActionErrors;
> import org.apache.struts.action.ActionError;
>
> import org.apache.struts.action.ActionForward;
> import org.apache.struts.action.ActionMapping;
> import org.apache.struts.action.ActionServlet;
> import org.apache.struts.util.MessageResources;
> import org.apache.struts.util.PropertyUtils;
>
> public final class TestAction extends Action {
>
> public ActionForward perform(ActionMapping mapping, ActionForm form,
> HttpServletRequest request, HttpServletResponse response) throws
> IOException, ServletException {
>
> ActionErrors errors = new ActionErrors();
>
> String webMessage = "error.first";
>
> ActionError ae1 = new ActionError(webMessage);
> errors.add(ActionErrors.GLOBAL_ERROR, ae1);
>
> saveErrors(request, errors);
>
> return (mapping.findForward("error"));
>
> }
> }
>
> Action Form Code (TestForm.java):
> import javax.servlet.http.HttpServletRequest;
> import org.apache.struts.action.ActionError;
> import org.apache.struts.action.ActionErrors;
> import org.apache.struts.action.ActionForm;
> import org.apache.struts.action.ActionMapping;
>
> /**
> * STRUTS Action Form for Dealer Authenticate
> * @author Brad N. Jones (IBM Global Services)
> * @created 4/30/2002
> */
> public class TestForm extends ActionForm {
>
> private String modelnumber;
>
> public String getModelnumber(){
> return this.modelnumber;
> }
>
> public void setModelnumber(String aModelnumber){
> this.modelnumber = aModelnumber;
> }
>
> /**
> * Reset all properties to their default values.
> * @param mapping The mapping used to select this instance
> * @param request The servlet request we are processing
> * @return void
> */
> public void reset(ActionMapping mapping, HttpServletRequest request) {
>
> }
>
> /**
> * Validate the properties that have been set from this HTTP request,
> * and return an <code>ActionErrors</code> object that encapsulates any
> * validation errors that have been found.  If no errors are found, return
> * <code>null</code> or an <code>ActionErrors</code> object with
no
> * recorded error messages.
> *
> * @param mapping The mapping used to select this instance
> * @param request The servlet request we are processing
> * @return ActionErrors org.apache.struts.action.ActionErrors
> */
> public ActionErrors validate(ActionMapping mapping, HttpServletRequest
> request) {
> ActionErrors errors = new ActionErrors();
>
> return errors;
> }
> }
>
> struts-config.xml:
> <struts-config>
>
>
>   <!-- ========== Form Bean Definitions
===================================
> -->
>   <form-beans>
>
>     <form-bean      name="TestForm"
>                     type="com.ibm.us.fcdds.struts.form.TestForm"/>
>   </form-beans>
>
>
>   <!-- ========== Global Forward Definitions
==============================
> -->
>   <global-forwards>
>     <forward   name="success"              path="/ForceTest.jsp"/>
>     <forward name="error" path="/ForceTestError.jsp"/>
>   </global-forwards>
>
>
>   <!-- ========== Action Mapping Definitions
==============================
> -->
>   <action-mappings>
>
>     <action    path="/TestAction"
>                type="com.ibm.us.fcdds.struts.action.TestAction"
>                name="TestForm"
>               scope="request"
>               input="/ForceTest.jsp">
>     </action>
>
>     <!-- The standard administrative actions available with Struts -->
>     <!-- These would be either omitted or protected by security -->
>     <!-- in a real application deployment -->
>     <action    path="/admin/addFormBean"
>                type="org.apache.struts.actions.AddFormBeanAction"/>
>     <action    path="/admin/addForward"
>                type="org.apache.struts.actions.AddForwardAction"/>
>     <action    path="/admin/addMapping"
>                type="org.apache.struts.actions.AddMappingAction"/>
>     <action    path="/admin/reload"
>                type="org.apache.struts.actions.ReloadAction"/>
>     <action    path="/admin/removeFormBean"
>                type="org.apache.struts.actions.RemoveFormBeanAction"/>
>     <action    path="/admin/removeForward"
>                type="org.apache.struts.actions.RemoveForwardAction"/>
>     <action    path="/admin/removeMapping"
>                type="org.apache.struts.actions.RemoveMappingAction"/>
>
>
>   </action-mappings>
>
> </struts-config>
>
> ApplicationResources.properties Code:
> index.title=Struts Starter Application
>
> index.heading=Hello World!
>
> index.message=To get started on your own application, copy the
> struts-blank.war to a new WAR file using the name for your application.
> Place it in your container's "webapp" folder (or equivalent), and let your
> container auto-deploy the application. Edit the skeleton configuration
files
> as needed, reload Struts or restart your container, and you are on your
way!
> (You can find the ApplicationResources file with this message in the
classes
> folder.)
>
> error.first=First Error
>
> Thanks,
>
> Brad
>
>
>
>
>
>
>
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