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From Dave Newton <davelnew...@gmail.com>
Subject Re: exception when running my struts jsp
Date Wed, 07 Mar 2012 22:07:09 GMT
Your form bean name does not match the name used in the action's
configuration.

Dave

On Wednesday, March 7, 2012, Oussama Jlassi <oussamaj@live.fr> wrote:
> i use struts 1.3.10
> in tomcat 6 when i run the url all i got http 500 how to solve my problem
> localhost:8080/struts1/login.jsp i got
>
> Etat HTTP 500 -
>
> ________________________________
>
> type Rapport d'exception
>
> message
>
> description Le serveur a rencontré une erreur interne () qui l'a empêché
de satisfaire la requête.
>
> exception
>
> org.apache.jasper.JasperException: javax.servlet.ServletException:
javax.servlet.jsp.JspException: Cannot retrieve definition for form bean:
"Loginform" on action: "/Login"
>
org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:502)
>
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:412)
> org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:313)
> org.apache.jasper.servlet.JspServlet.service(JspServlet.java:260)
> javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
>
> cause mère
>
> javax.servlet.ServletException: javax.servlet.jsp.JspException: Cannot
retrieve definition for form bean: "Loginform" on action: "/Login"
>
org.apache.jasper.runtime.PageContextImpl.doHandlePageException(PageContextImpl.java:865)
>
org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:794)
> org.apache.jsp.login_jsp._jspService(login_jsp.java:91)
> org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
> javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
>
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:388)
> org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:313)
> org.apache.jasper.servlet.JspServlet.service(JspServlet.java:260)
> javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
>
> cause mère
>
> javax.servlet.jsp.JspException: Cannot retrieve definition for form bean:
"Loginform" on action: "/Login"
> org.apache.struts.taglib.html.FormTag.lookup(FormTag.java:881)
> org.apache.struts.taglib.html.FormTag.doStartTag(FormTag.java:488)
>
org.apache.jsp.login_jsp._jspx_meth_html_005fform_005f0(login_jsp.java:173)
>
org.apache.jsp.login_jsp._jspx_meth_html_005fhtml_005f0(login_jsp.java:124)
> org.apache.jsp.login_jsp._jspService(login_jsp.java:82)
> org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
> javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
>
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:388)
> org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:313)
> org.apache.jasper.servlet.JspServlet.service(JspServlet.java:260)
> javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
>
> note La trace complète de la cause mère de cette erreur est disponible
dans les fichiers journaux de Apache Tomcat/6.0.35.
>
> ________________________________
>
> Apache Tomcat/6.0.35
>
> localhost:8080/struts1/index2.jsp i got
>
> Etat HTTP 500 -
>
> ________________________________
>
> type Rapport d'exception
>
> message
>
> description Le serveur a rencontré une erreur interne () qui l'a empêché
de satisfaire la requête.
>
> exception
>
> org.apache.jasper.JasperException: javax.servlet.ServletException:
java.lang.NullPointerException
>
org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:502)
>
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:412)
> org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:313)
> org.apache.jasper.servlet.JspServlet.service(JspServlet.java:260)
> javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
>
> cause mère
>
> javax.servlet.ServletException: java.lang.NullPointerException
>
org.apache.struts.chain.ComposableRequestProcessor.process(ComposableRequestProcessor.java:286)
> org.apache.struts.action.ActionServlet.process(ActionServlet.java:1913)
> org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:449)
> javax.servlet.http.HttpServlet.service(HttpServlet.java:617)
> javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
>
org.apache.jasper.runtime.PageContextImpl.doForward(PageContextImpl.java:709)
>
org.apache.jasper.runtime.PageContextImpl.forward(PageContextImpl.java:680)
> org.apache.jsp.index2_jsp._jspService(index2_jsp.java:57)
> org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
> javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
>
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:388)
> org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:313)
> org.apache.jasper.servlet.JspServlet.service(JspServlet.java:260)
> javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
>
> cause mère
>
> java.lang.NullPointerException
> HelloWorldAction.execute(HelloWorldAction.java:18)
>
org.apache.struts.chain.commands.servlet.ExecuteAction.execute(ExecuteAction.java:58)
>
org.apache.struts.chain.commands.AbstractExecuteAction.execute(AbstractExecuteAction.java:67)
>
org.apache.struts.chain.commands.ActionCommandBase.execute(ActionCommandBase.java:51)
> org.apache.commons.chain.impl.ChainBase.execute(ChainBase.java:191)
>
org.apache.commons.chain.generic.LookupCommand.execute(LookupCommand.java:305)
> org.apache.commons.chain.impl.ChainBase.execute(ChainBase.java:191)
>
org.apache.struts.chain.ComposableRequestProcessor.process(ComposableRequestProcessor.java:283)
> org.apache.struts.action.ActionServlet.process(ActionServlet.java:1913)
> org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:449)
> javax.servlet.http.HttpServlet.service(HttpServlet.java:617)
> javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
>
org.apache.jasper.runtime.PageContextImpl.doForward(PageContextImpl.java:709)
>
org.apache.jasper.runtime.PageContextImpl.forward(PageContextImpl.java:680)
> org.apache.jsp.index2_jsp._jspService(index2_jsp.java:57)
> org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
> javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
>
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:388)
> org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:313)
> org.apache.jasper.servlet.JspServlet.service(JspServlet.java:260)
> javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
>
> note La trace complète de la cause mère de cette erreur est disponible
dans les fichiers journaux de Apache Tomcat/6.0.35.
>
> ________________________________
>
> Apache Tomcat/6.0.35
>
> login.jsp
> <%@ page language="java" pageEncoding="ISO-8859-1"%>
> <%@ taglib uri="http://struts.apache.org/tags-html" prefix="html" %>
> <%@ taglib uri="http://struts.apache.org/tags-logic" prefix="logic"  %>
> <%@ taglib uri="http://struts.apache.org/tags-bean" prefix="bean" %>
> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
> <html:html lang="true">
>     <head>
>         <meta http-equiv="Content-Type" content="text/html;
charset=UTF-8">
>         <title>JSP Page</title>
>     </head>
>     <body>
>         <div style="color:red">
>             <html:errors />
>         </div>
>       <html:form action="/Login">
>            User Name : <html:text name="LoginForm" property="userName" />
<br>
>             Password  : <html:password name="LoginForm"
property="password" /> <br>
>            <html:submit value="login" />
>       </html:form>
> </form>
> <!-- <html:text styleClass="champ" property="login"></html:text> -->
>     </body>
> </html:html>
> index2.jsp
> <%@page contentType="text/html"%>
> <%@page pageEncoding="UTF-8"%>
> <jsp:forward page="helloworld.do"/>
> helloWorld.jsp
> <%@page contentType="text/html" pageEncoding="UTF-8"%>
> <%@ taglib prefix="html" uri="http://struts.apache.org/tags-html" %>
> <%@ taglib prefix="logic" uri="http://struts.apache.org/tags-logic" %>
> <%@ taglib prefix="bean" uri="http://struts.apache.org/tags-bean" %>
> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
>    "http://www.w3.org/TR/html4/loose.dtd">
> <html>
>     <head>
>         <meta http-equiv="Content-Type" content="text/html;
charset=UTF-8">
>         <title>Hello World</title>
>     </head>
>     <body>
>         <h1><bean:write name="HelloWorldAction"
property="message"></bean:write></h1>
>     </body>
> </html>
> struts-config.xml
> <?xml version="1.0" encoding="ISO-8859-1" ?>
> <!DOCTYPE struts-config PUBLIC
>           "-//Apache Software Foundation//DTD Struts Configuration
1.3//EN"
>           "http://struts.apache.org/struts/dtds/struts-config_1_3.dtd">
>
> <struts-config>
>
> <form-beans>
> <form-bean name="loginform " type="LoginForm "/>
> <form-bean name="helloWorldForm" type="HelloWorldForm"/>
> </form-beans>
> <action-mappings>
>                 <action input="/login.jsp" name="Loginform" path="/Login"
 scope="request" validate="true"
>                 type="LoginAction">
>                        <forward name="success" path="/success.jsp" />
>                        <forward name="failure" path="/failure.jsp" />
>                 </action>
>                <action input="/index2.jsp" name="HelloWorldForm"
path="/helloworld"
>                scope="session" type="HelloWorldAction">
>                       <forward name="success" path="/helloWorld.jsp" />
>                </action>
> </action-mappings>
> <message-resources parameter="ApplicationResource"/>
> </struts-config>
>
>
>

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