Error creating form bean of class presentation.str.RolesForm

Version imprimable

Bonjour, je viens de créer un formbean comme suit :

Code:

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package presentation.str;
 
import java.util.List;
import java.util.Vector;
 
import javax.servlet.http.HttpServletRequest;
import ma.corporate.planning.metier.Role;
 
import org.apache.struts.action.ActionError;
import org.apache.struts.action.ActionErrors;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionMapping;
 
public class RolesForm extends ActionForm  {
 
	private List<Role> roles = new Vector<Role>();
	private String action = "";
	private int idRole;
	private Role role = new Role();
 
	public List<Role> getRoles() {
		return roles;
	}
	public void setRoles(List<Role> roles) {
		this.roles = roles;
	}
	public String getAction() {
		return action;
	}
	public void setAction(String action) {
		this.action = action;
	}
	public int getIdRole() {
		return idRole;
	}
	public void setIdRole(int idRole) {
		this.idRole = idRole;
	}
	public Role getRole() {
		return role;
	}
	public void setRole(Role role) {
		this.role = role;
	}
	public ActionErrors validate(ActionMapping arg0, HttpServletRequest arg1) {
		ActionErrors errors = new ActionErrors();
 
		if ((getRole().getNomRole()== null) || ((getRole().getNomRole().length() < 1)))
		errors.add("nomRole", new ActionError("error.nomrole.vide"));
 
		return errors;
	}
 
}

et mon fichier struts-config.xml :

Code:

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<?xml version="1.0" encoding="iso-8859-1"?>
<!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>
 <form-beans>
 	<form-bean name="cfc" type="presentation.str.ClientsForm"/>
 	<form-bean name="cfs" type="presentation.str.ServicesForm"/>
 	<form-bean name="cfr" type="presentation.str.RolesForm"/>
 </form-beans>
 <global-forwards>
 
  <forward name="VueClient" path="client.page"/>
  <forward name="addClient" path="ajoutclient.page"/>
  <forward name="editClient" path="editclient.page"/>
 
  <forward name="VueService" path="service.page"/>
  <forward name="addService" path="ajoutservice.page"/>
  <forward name="editService" path="editservice.page"/>
 
  <forward name="VueRole" path="role.page"/>
  <forward name="addRole" path="ajoutrole.page"/>
  <forward name="editRole" path="editrole.page"/>
 
 </global-forwards>
 <action-mappings>
 
	 <action 
	 path="/gestClient" 
	 name="cfc" 
	 type="presentation.str.ClientsAction" 
	 scope="session"
	 validate="false">	 
	</action>	
 
	<action 
	 path="/gestService" 
	 name="cfs" 
	 type="presentation.str.ServicesAction" 
	 scope="session"
	 validate="false">	 
	</action>	
 
	<action 
	 path="/gestRole" 
	 name="cfr" 
	 type="presentation.str.RolesAction" 
	 scope="session"
	 validate="false">	 
	</action>			  
 
 </action-mappings>
 
 <message-resources parameter="ApplicationResources"/>   
 <!-- Tiles Configuration -->
<plug-in className="org.apache.struts.tiles.TilesPlugin">
  <set-property property="definitions-config" value="/WEB-INF/tiles-defs.xml"/>
</plug-in>
 
</struts-config>

il m'affiche les erreurs suivantes :

Code:

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16:54:09,484 ERROR RequestUtils:304 - Error creating form bean of class presentation.str.RolesForm
java.lang.NullPointerException
	at org.apache.struts.config.FormBeanConfig.createActionForm(FormBeanConfig.java:212)
	at org.apache.struts.util.RequestUtils.createActionForm(RequestUtils.java:292)
	at org.apache.struts.util.RequestUtils.createActionForm(RequestUtils.java:191)
	at org.apache.struts.action.RequestProcessor.processActionForm(RequestProcessor.java:319)
	at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:202)
	at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1194)
	at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:414)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:689)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
	at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:869)
	at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:664)
	at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)
	at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:80)
	at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684)
	at java.lang.Thread.run(Unknown Source)
16:54:09,500 ERROR RequestProcessor:284 - No action instance for path /gestRole could be created
java.lang.ClassNotFoundException: presentation.str.RolesAction
	at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1352)
	at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1198)
	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.RequestProcessor.processActionCreate(RequestProcessor.java:280)
	at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:218)
	at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1194)
	at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:414)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:689)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
	at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:869)
	at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:664)
	at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)
	at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:80)
	at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684)
	at java.lang.Thread.run(Unknown Source)

vous savez d'ou l'erreur ?

24/04/2008, 19h14
MASSAKA

Il parrait qu'il trouve pas ta classe action : presentation.str.RolesAction

assure toi de l'orthographe et le chemin complet de cette classe

j'ai vérifié l'orthographe,

Code:

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package presentation.str;
 
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
 
import ma.corporate.planning.metier.GestRole;
import ma.corporate.planning.metier.GestService;
import ma.corporate.planning.metier.Role;
import ma.corporate.planning.metier.Service;
 
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 org.apache.struts.action.ActionMessage;
import org.apache.struts.action.ActionMessages;
 
public class RolesAction extends Action{
 
	@Override
	public ActionForward execute(ActionMapping map, ActionForm form,
			HttpServletRequest request, HttpServletResponse response)
			throws Exception {
 
		RolesForm rf = (RolesForm)form;
		GestRole gr= new GestRole();
 
		if(rf.getAction().equals("")){
			rf.setRoles(gr.getAllRole());
		}
		else if(rf.getAction().equals("Editer")){
 
			Long idr=new Long(rf.getIdRole());
			rf.setRole(gr.getRole(idr));
			return map.findForward("editRole");
 
		}
 
		else if(rf.getAction().equals("Supprimer")){
 
			Long idr=new Long(rf.getIdRole());
			gr.suppRole(idr);
			rf.setRoles(gr.getAllRole());
			return map.findForward("VueRole");
 
 
		}
else if(rf.getAction().equals("Valider")){
 
 ActionMessages errors = form.validate(map,request);
     ActionError newError = null;
 
    ActionMessages messages = new ActionMessages();
    ActionMessage newMessage = null;
	if ( !errors.isEmpty() )
	{
		this.saveErrors(request,errors);
		return map.findForward("addRole");
	}
	else
	{
		Boolean t=  gr.addRole(rf.getRole().getNomRole());
 
		if(t) {
			newMessage = new ActionMessage("message.ajout.role.succes");
			messages.add("msgajoutservice", newMessage);
 
			this.saveMessages(request, messages); 
			rf.setRoles(gr.getAllRole());
			return map.findForward("VueRole");
		}
		else {
        	newError = new ActionError("errors.doublons.role.Database");
        	errors.add(ActionErrors.GLOBAL_ERROR, newError);
 
        	saveErrors(request, errors);
        	return  map.findForward("addRole");
		}
	}
 
}	
else if(rf.getAction().equals("Modifier")){	
 
	 ActionMessages errors = form.validate(map,request);
     ActionError newError = null;
 
    ActionMessages messages = new ActionMessages();
    ActionMessage newMessage = null;
	if ( !errors.isEmpty() )
	{
		this.saveErrors(request,errors);
		return map.findForward("editRole");
	}
	else
	{
		Boolean t= gr.updateR(rf.getRole()); 
		if(t) {
			newMessage = new ActionMessage("message.modif.role.succes");
			messages.add("msgmodifservice", newMessage);
 
			this.saveMessages(request, messages); 
			rf.setRoles(gr.getAllRole());
			return map.findForward("VueRole");
		}
		else {
        	newError = new ActionError("errors.doublons.role.Database");
        	errors.add(ActionErrors.GLOBAL_ERROR, newError);
 
        	saveErrors(request, errors);
        	return  map.findForward("editRole");
		}
	}
}
else if(rf.getAction().equals("Ajouter")){
			rf.setRole(new Role());
			return map.findForward("addRole");
		}
		return map.findForward("VueRole");
	}
}

24/04/2008, 20h55
newmar

apparemment les fichiers .class ne sont pas crée :?
24/04/2008, 21h33
newmar

Est ce que ce problème est lié a mon IDE ou quoi exactement sachant que j'ai deja crée des form bean et des actions sans problème ? :cry:
25/04/2008, 00h33
duke666

sauf erreur
se serait pas
public class RolesAction extends ActionForm {
au lieu de
public class RolesAction extends Action{
25/04/2008, 10h00
MASSAKA
Citation:

Envoyé par newmar

apparemment les fichiers .class ne sont pas crée :?

Essai de mettre un constructeur dans ta classe Action .

Autre possibilité :

regarde ton web.xml :

les lignes :
Code:

1 2 3 4 5 <filter-mapping> <filter-name>...</filter-name> <url-pattern>*.do</url-pattern> </filter-mapping>
c'est quoi ton url-pattern ?

si c'est .do

essaies en changeant tous les paths dans tes actions dans struts config comme ça :
Code:

1 2 3 4 <action path="/gestRole" ..>
deviens
Code:

1 2 3 path="/gestRole.do"