bonjour,j'arrive pas a afficher les données de ma base.j'utilise eclipse,struts 1.2 et mysql.merci pour votre aide d'avance
code (struts-config.xml){
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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE struts-config PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 1.2//EN" "http://struts.apache.org/dtds/struts-config_1_2.dtd">
 
<struts-config>
  <data-sources >
 
    <data-source type="org.apache.struts.action.DATA_SOURCE" key="gestion formation">
      <set-property property="password" value="mysql" />
      <set-property property="minCount" value="" />
      <set-property property="maxCount" value="" />
      <set-property property="user" value="root" />
      <set-property property="driverClass" value="com.mysql.jdbc.Driver" />
      <set-property property="description" value="" />
      <set-property property="url" value="jdbc:mysql://localhost:3306/gestion formation" />
      <set-property property="readOnly" value="true" />
      <set-property property="autoCommit" value="true" />
      <set-property property="loginTimeout" value="" />
    </data-source>
 
  </data-sources>
 
  <form-beans >
    <form-bean name="listeForm" type="com.yourcompany.struts.form.ListeForm" />
    <form-bean name="erreursForm" type="com.yourcompany.struts.form.ErreursForm" />
 
  </form-beans>
 
  <global-exceptions />
  <global-forwards />
  <action-mappings >
    <action
      attribute="listeForm"
      input="/form/liste.jsp"
      name="listeForm"
      path="/liste"
      scope="request"
      type="com.yourcompany.struts.action.ListeAction">
      <forward name="succes" path="/form/liste.jsp" />
      <forward name="echec" path="/form/echec.jsp" />
    </action>
 
  </action-mappings>
 
  <message-resources parameter="com.yourcompany.struts.ApplicationResources" />
</struts-config>

}
code (ListeAction.java){
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/*
 * Generated by MyEclipse Struts
 * Template path: templates/java/JavaClass.vtl
 */
package com.yourcompany.struts.action;
 
import java.sql.ResultSet;
import java.util.ArrayList;
 
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.sql.DataSource;
 
import org.apache.struts.action.Action;
import org.apache.struts.action.ActionError;
import org.apache.struts.action.ActionErrors;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
 
import com.mysql.jdbc.Connection;
import com.mysql.jdbc.Statement;
import com.yourcompany.struts.form.ListeForm;
 
/**
 * MyEclipse Struts
 * Creation date: 05-07-2008
 *
 * XDoclet definition:
 * @struts.action path="/liste" name="listeForm" input="/form/liste.jsp" scope="request" validate="true"
 * @struts.action-forward name="succes" path="/form/liste.jsp"
 * @struts.action-forward name="echec" path="/form/echec.jsp"
 */
public class ListeAction extends Action {
    /*
    
    public ActionForward execute(ActionMapping mapping, ActionForm form,
            HttpServletRequest request, HttpServletResponse response) {
        ListeForm listeForm = (ListeForm) form;// TODO Auto-generated method stub
        DataSource dataSource=this.getDataSource(request,"gestion formation");
        if(dataSource==null){
            ActionErrors erreurs=new ActionErrors();
            erreurs.add("gestion formation",new ActionError("erreur.gestion formation","La source de donnée n'a pas pu etre crée"));
            this.saveErrors(request,erreurs);
            return mapping.findForward("echec");
        }
   
    Connection connexion=null;
    Statement st = null;
    ResultSet rs=null;
    String requete=null;
    ArrayList alFormation=new ArrayList();
    try{
        connexion = (Connection) dataSource.getConnection();
        requete="select * from formation";
        st=(Statement) connexion.createStatement();
        rs=st.executeQuery(requete);
        while(rs.next()){
            alFormation.add(new String[]{
                    rs.getString("Nom"), rs.getString("Prenom")});
            }
        //rs.close();
        //st.close();
        }
    catch(Exception ex){
        ActionErrors erreurs=new ActionErrors();
        erreurs.add("gestion foemation",new ActionError("erreur.gestion formation"));
        this.saveErrors(request, erreurs);
        return mapping.findForward("echec");
                     }
    finally{
        try{
            connexion.close();
        }
        catch(Exception ignored){
           
        }
    }
    request.setAttribute("liste", alFormation);
    return mapping.findForward("succes");
   
}
}
}
code(liste.jsp){
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<%@ page language="java" pageEncoding="ISO-8859-1"%>
<%@ taglib uri="http://struts.apache.org/tags-bean" prefix="bean"%>
<%@ taglib uri="http://struts.apache.org/tags-html" prefix="html"%>
<%@ taglib uri="/WEB-INF/struts-logic.tld" prefix="logic"%>
 
<html>
    <head>
        <title>connexion</title>
    </head>
    <body>
    <h3>liste</h3>
    <hr>
    <table border="1">
    <logic:iterate id="ligne" name="liste">
     <logic:notEmpty name="result" scope="session"/>
    <td><bean:write name="colonne"/></td>
    </logic:iterate>
    </table>
 
        <html:form action="/liste">
            <html:submit/><html:cancel/>
        </html:form>
    </body>
</html>
}
à l'ecran ça m'affiche cet erreur :{

org.apache.jasper.JasperException: An exception occurred processing JSP page /form/liste.jsp at line 14

11: <h3>liste</h3>
12: <hr>
13: <table border="1">
14: <logic:iterate id="ligne" name="liste">
15: <logic:notEmpty name="result" scope="session"/>
16: <td><bean:write name="colonne"/></td>
17: </logic:iterate>


Stacktrace:
org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:524)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:417)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:320)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:266)
javax.servlet.http.HttpServlet.service(HttpServlet.java:803)

cause mère

javax.servlet.ServletException: javax.servlet.jsp.JspException: Cannot find bean: "liste" in any scope
org.apache.jasper.runtime.PageContextImpl.doHandlePageException(PageContextImpl.java:850)
org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:779)
org.apache.jsp.form.liste_jsp._jspService(liste_jsp.java:148)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:393)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:320)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:266)
javax.servlet.http.HttpServlet.service(HttpServlet.java:803)

cause mère

javax.servlet.jsp.JspException: Cannot find bean: "liste" in any scope
org.apache.struts.taglib.TagUtils.lookup(TagUtils.java:935)
org.apache.struts.taglib.logic.IterateTag.doStartTag(IterateTag.java:232)
org.apache.jsp.form.liste_jsp._jspService(liste_jsp.java:99)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:393)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:320)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:266)
javax.servlet.http.HttpServlet.service(HttpServlet.java:803)

noteLa trace complète de la cause mère de cette erreur est disponible dans les fichiers journaux de Apache Tomcat/6.0.13.

}
et dans le rapport tomcat d'eclipse, cet erreur :{
GRAVE: Initializing application data source gestion formation
java.lang.ClassNotFoundException: org.apache.struts.action.DATA_SOURCE
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1358)
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1204)
at org.apache.struts.util.RequestUtils.applicationClass(RequestUtils.java:117)
at org.apache.struts.util.RequestUtils.applicationInstance(RequestUtils.java:143)
at org.apache.struts.action.ActionServlet.initModuleDataSources(ActionServlet.java:805)
at org.apache.struts.action.ActionServlet.init(ActionServlet.java:335)
at javax.servlet.GenericServlet.init(GenericServlet.java:212)
at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1161)
at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:981)
at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:4042)
at org.apache.catalina.core.StandardContext.start(StandardContext.java:4348)
at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:791)
at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:771)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:525)
at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:920)
at org.apache.catalina.startup.HostConfig.deployDirectories(HostConfig.java:883)
at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:492)
at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1138)
at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:311)
at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:117)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1053)
at org.apache.catalina.core.StandardHost.start(StandardHost.java:719)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045)
at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:443)
at org.apache.catalina.core.StandardService.start(StandardService.java:516)
at org.apache.catalina.core.StandardServer.start(StandardServer.java:710)
at org.apache.catalina.startup.Catalina.start(Catalina.java:566)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:288)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:413)
7 mai 2008 11:15:56 org.apache.catalina.core.ApplicationContext log
INFO: La servlet action est marqué comme indisponible
7 mai 2008 11:15:56 org.apache.catalina.core.StandardContext loadOnStartup
GRAVE: La servlet /connexion a généré une exception "load()"
javax.servlet.UnavailableException: Initializing application data source gestion formation
at org.apache.struts.action.ActionServlet.initModuleDataSources(ActionServlet.java:812)
at org.apache.struts.action.ActionServlet.init(ActionServlet.java:335)
at javax.servlet.GenericServlet.init(GenericServlet.java:212)
at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1161)
at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:981)
at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:4042)
at org.apache.catalina.core.StandardContext.start(StandardContext.java:4348)
at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:791)
at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:771)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:525)
at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:920)
at org.apache.catalina.startup.HostConfig.deployDirectories(HostConfig.java:883)
at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:492)
at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1138)
at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:311)
at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:117)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1053)
at org.apache.catalina.core.StandardHost.start(StandardHost.java:719)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045)
at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:443)
at org.apache.catalina.core.StandardService.start(StandardService.java:516)
at org.apache.catalina.core.StandardServer.start(StandardServer.java:710)
at org.apache.catalina.startup.Catalina.start(Catalina.java:566)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:288)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:413)
7 mai 2008 11:15:56 org.apache.coyote.http11.Http11Protocol start
INFO: Démarrage de Coyote HTTP/1.1 sur http-8080
7 mai 2008 11:15:56 org.apache.jk.common.ChannelSocket init
INFO: JK: ajp13 listening on /0.0.0.0:8009
7 mai 2008 11:15:56 org.apache.jk.server.JkMain start
INFO: Jk running ID=0 time=0/31 config=null
7 mai 2008 11:15:56 org.apache.catalina.startup.Catalina start
INFO: Server startup in 2389 ms
7 mai 2008 11:16:11 org.apache.catalina.core.StandardWrapperValve invoke
GRAVE: "Servlet.service()" pour la servlet jsp a généré une exception
javax.servlet.jsp.JspException: Cannot find bean: "liste" in any scope
at org.apache.struts.taglib.TagUtils.lookup(TagUtils.java:935)
at org.apache.struts.taglib.logic.IterateTag.doStartTag(IterateTag.java:232)
at org.apache.jsp.form.liste_jsp._jspService(liste_jsp.java:99)
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:393)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:320)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:266)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:261)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:581)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
at java.lang.Thread.run(Unknown Source)