les jars a installé dans une application jsf

**amira88** · 18/12/2009, 16h51

je developpe une application jsf en utilisant jboss,
J'ai toujours cette erreur

Code :

Sélectionner tout - Visualiser dans une fenêtre à part

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09:33:13,763 ERROR [[jsp]] "Servlet.service()" pour la servlet jsp a lancï¿½ une exception
java.lang.RuntimeException: Cannot find FacesContext
	at javax.faces.webapp.UIComponentClassicTagBase.getFacesContext(UIComponentClassicTagBase.java:1855)
	at javax.faces.webapp.UIComponentClassicTagBase.setJspId(UIComponentClassicTagBase.java:1672)
	at org.apache.jsp.saisieDonnees_jsp._jspx_meth_f_005fview_005f0(saisieDonnees_jsp.java:94)
	at org.apache.jsp.saisieDonnees_jsp._jspService(saisieDonnees_jsp.java:71)
	at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
	at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:369)
	at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:322)
	at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:249)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
	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.ApplicationDispatcher.invoke(ApplicationDispatcher.java:638)
	at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:444)
	at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:382)
	at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:310)
	at org.apache.myfaces.context.servlet.ServletExternalContextImpl.dispatch(ServletExternalContextImpl.java:341)
	at org.apache.myfaces.application.jsp.JspViewHandlerImpl.buildView(JspViewHandlerImpl.java:486)
	at org.apache.myfaces.application.jsp.JspViewHandlerImpl.renderView(JspViewHandlerImpl.java:337)
	at org.apache.myfaces.lifecycle.RenderResponseExecutor.execute(RenderResponseExecutor.java:41)
	at org.apache.myfaces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:140)
	at javax.faces.webapp.FacesServlet.service(FacesServlet.java:155)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:235)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
	at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:190)
	at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:92)
	at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.process(SecurityContextEstablishmentValve.java:126)
	at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.invoke(SecurityContextEstablishmentValve.java:70)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
	at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:158)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:330)
	at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:829)
	at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:601)
	at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
	at java.lang.Thread.run(Unknown Source)
09:33:13,802 ERROR [_ErrorPageWriter] An exception occurred
javax.faces.FacesException: An exception occurred processing JSP page /saisieDonnees.jsp at line 3
 
1: <%@ taglib uri="http://java.sun.com/jsf/html" prefix="h"%>
2: <%@ taglib uri="http://java.sun.com/jsf/core" prefix="f"%>
3: <f:view>
4: <h3>Saisie des données personnelles</h3>
5: <h:form>
6: </BR>
 
 
Stacktrace:
	at org.apache.myfaces.context.servlet.ServletExternalContextImpl.dispatch(ServletExternalContextImpl.java:347)
	at org.apache.myfaces.application.jsp.JspViewHandlerImpl.buildView(JspViewHandlerImpl.java:486)
	at org.apache.myfaces.application.jsp.JspViewHandlerImpl.renderView(JspViewHandlerImpl.java:337)
	at org.apache.myfaces.lifecycle.RenderResponseExecutor.execute(RenderResponseExecutor.java:41)
	at org.apache.myfaces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:140)
	at javax.faces.webapp.FacesServlet.service(FacesServlet.java:155)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:235)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
	at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:190)
	at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:92)
	at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.process(SecurityContextEstablishmentValve.java:126)
	at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.invoke(SecurityContextEstablishmentValve.java:70)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
	at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:158)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:330)
	at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:829)
	at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:601)
	at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
	at java.lang.Thread.run(Unknown Source)
Caused by: org.apache.jasper.JasperException: An exception occurred processing JSP page /saisieDonnees.jsp at line 3
 
1: <%@ taglib uri="http://java.sun.com/jsf/html" prefix="h"%>
2: <%@ taglib uri="http://java.sun.com/jsf/core" prefix="f"%>
3: <f:view>
4: <h3>Saisie des données personnelles</h3>
5: <h:form>
6: </BR>
 
 
Stacktrace:
	at org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:498)
	at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:411)
	at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:322)
	at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:249)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
	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.ApplicationDispatcher.invoke(ApplicationDispatcher.java:638)
	at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:444)
	at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:382)
	at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:310)
	at org.apache.myfaces.context.servlet.ServletExternalContextImpl.dispatch(ServletExternalContextImpl.java:341)
	... 25 more
Caused by: java.lang.RuntimeException: Cannot find FacesContext
	at javax.faces.webapp.UIComponentClassicTagBase.getFacesContext(UIComponentClassicTagBase.java:1855)
	at javax.faces.webapp.UIComponentClassicTagBase.setJspId(UIComponentClassicTagBase.java:1672)
	at org.apache.jsp.saisieDonnees_jsp._jspx_meth_f_005fview_005f0(saisieDonnees_jsp.java:94)
	at org.apache.jsp.saisieDonnees_jsp._jspService(saisieDonnees_jsp.java:71)
	at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
	at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:369)
	... 35 more
09:33:37,450 WARN  [FacesConfigurator] /WEB-INF/faces-config.xml has been specified in the javax.faces.CONFIG_FILES context parameter of the deployment descriptor. This will automatically be removed, if we wouldn't do this, it would be loaded twice.  See JSF spec 1.1, 10.3.2
09:33:37,736 ERROR [[jsp]] "Servlet.service()" pour la servlet jsp a lancï¿½ une exception
java.lang.RuntimeException: Cannot find FacesContext
	at javax.faces.webapp.UIComponentClassicTagBase.getFacesContext(UIComponentClassicTagBase.java:1855)
	at javax.faces.webapp.UIComponentClassicTagBase.setJspId(UIComponentClassicTagBase.java:1672)
	at org.apache.jsp.afficheDonnees_jsp._jspx_meth_f_005fview_005f0(afficheDonnees_jsp.java:85)
	at org.apache.jsp.afficheDonnees_jsp._jspService(afficheDonnees_jsp.java:62)
	at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
	at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:369)
	at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:322)
	at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:249)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
	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.ApplicationDispatcher.invoke(ApplicationDispatcher.java:638)
	at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:444)
	at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:382)
	at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:310)
	at org.apache.myfaces.context.servlet.ServletExternalContextImpl.dispatch(ServletExternalContextImpl.java:341)
	at org.apache.myfaces.application.jsp.JspViewHandlerImpl.buildView(JspViewHandlerImpl.java:486)
	at org.apache.myfaces.application.jsp.JspViewHandlerImpl.renderView(JspViewHandlerImpl.java:337)
	at org.apache.myfaces.lifecycle.RenderResponseExecutor.execute(RenderResponseExecutor.java:41)
	at org.apache.myfaces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:140)
	at javax.faces.webapp.FacesServlet.service(FacesServlet.java:155)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:235)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
	at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:190)
	at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:92)
	at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.process(SecurityContextEstablishmentValve.java:126)
	at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.invoke(SecurityContextEstablishmentValve.java:70)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
	at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:158)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:330)
	at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:829)
	at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:601)
	at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
	at java.lang.Thread.run(Unknown Source)
09:33:37,747 ERROR [_ErrorPageWriter] An exception occurred
javax.faces.FacesException: An exception occurred processing JSP page /afficheDonnees.jsp at line 3
 
1: <%@ taglib uri="http://java.sun.com/jsf/html" prefix="h"%>
2: <%@ taglib uri="http://java.sun.com/jsf/core" prefix="f"%>
3: <f:view>
4: <h3>Affichage des données saisies</h3>
5: </BR>
6: <h:outputText value= "Nom : #{personne.nom}" />
 
 
Stacktrace:
	at org.apache.myfaces.context.servlet.ServletExternalContextImpl.dispatch(ServletExternalContextImpl.java:347)
	at org.apache.myfaces.application.jsp.JspViewHandlerImpl.buildView(JspViewHandlerImpl.java:486)
	at org.apache.myfaces.application.jsp.JspViewHandlerImpl.renderView(JspViewHandlerImpl.java:337)
	at org.apache.myfaces.lifecycle.RenderResponseExecutor.execute(RenderResponseExecutor.java:41)
	at org.apache.myfaces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:140)
	at javax.faces.webapp.FacesServlet.service(FacesServlet.java:155)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:235)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
	at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:190)
	at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:92)
	at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.process(SecurityContextEstablishmentValve.java:126)
	at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.invoke(SecurityContextEstablishmentValve.java:70)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
	at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:158)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:330)
	at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:829)
	at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:601)
	at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
	at java.lang.Thread.run(Unknown Source)
Caused by: org.apache.jasper.JasperException: An exception occurred processing JSP page /afficheDonnees.jsp at line 3
 
1: <%@ taglib uri="http://java.sun.com/jsf/html" prefix="h"%>
2: <%@ taglib uri="http://java.sun.com/jsf/core" prefix="f"%>
3: <f:view>
4: <h3>Affichage des données saisies</h3>
5: </BR>
6: <h:outputText value= "Nom : #{personne.nom}" />
 
 
Stacktrace:
	at org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:498)
	at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:411)
	at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:322)
	at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:249)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
	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.ApplicationDispatcher.invoke(ApplicationDispatcher.java:638)
	at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:444)
	at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:382)
	at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:310)
	at org.apache.myfaces.context.servlet.ServletExternalContextImpl.dispatch(ServletExternalContextImpl.java:341)
	... 25 more
Caused by: java.lang.RuntimeException: Cannot find FacesContext
	at javax.faces.webapp.UIComponentClassicTagBase.getFacesContext(UIComponentClassicTagBase.java:1855)
	at javax.faces.webapp.UIComponentClassicTagBase.setJspId(UIComponentClassicTagBase.java:1672)
	at org.apache.jsp.afficheDonnees_jsp._jspx_meth_f_005fview_005f0(afficheDonnees_jsp.java:85)
	at org.apache.jsp.afficheDonnees_jsp._jspService(afficheDonnees_jsp.java:62)
	at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
	at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:369)
	... 35 more

Je crois c'est parceque j'ai aucun jar dans le dossier lib de mon projet quelles sont les jars que je dois installer!!
Merci a vous

**anisj1m** · 21/12/2009, 17h37

comment tu as fait ton projet ?

éditeur (eclipse par exemple)?

**amira88** · 21/12/2009, 17h41

Envoyé par anisj1m

comment tu as fait ton projet ?

éditeur (eclipse par exemple)?

Merci beaucoup pour votre aide

, J'ai bien resolu le probleme par le telechargement de jbosstools
Merci encore

**anisj1m** · 21/12/2009, 17h47

ok
bonne chance

**amira88** · 21/12/2009, 17h54

Envoyé par anisj1m

ok
bonne chance

Maintenant j'ai un autre probleme:
je veux affiché untableau qui contient des nom et prenom:
donc je fais appelle a une fonction qui retourne une liste :

Code :

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  public List<UserBean> listerTousLesUserBean() {
 
    	 List<UserBean>  l=  new ArrayList();
 
    	 l.add(new UserBean(13213,0002,"man","paula"));
    	 l.add(new UserBean(19845,0007,"Vetter","Marco"));
 
 		return l;
 	}

lister.jsp

Code :

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<%@taglib uri="http://java.sun.com/jsf/core" prefix="f"%>  
 
<%@taglib uri="http://java.sun.com/jsf/html" prefix="h"%>  
 
 
 
<html>  
 
<head>  
 
 <title>Add New User Form</title>  
 
</head>  
 
<body>  
 <f:view>  
<h:dataTable
 var="userBean" border="1">
 
 
<h:column>
<f:facet name="header">
<f:verbatim>Nom</f:verbatim>
</f:facet>
<h:outputText value="#{userBean.listerTousLesUserBean().get(0).name}"/>
</h:column>
<h:column>
<f:facet name="header">
<f:verbatim>Prénom</f:verbatim>
</f:facet>
<h:outputText value="#{userBean.addUser.listerTousLesUserBean().get(0).prenom}"/>
</h:column>
 
 
 
 
 
 
</h:dataTable>

il m'affiche une erreur !!

**amira88** · 21/12/2009, 17h56

Envoyé par amira88

Maintenant j'ai un autre probleme:
je veux affiché untableau qui contient des nom et prenom:
donc je fais appelle a une fonction qui retourne une liste :

Code :

Sélectionner tout - Visualiser dans une fenêtre à part

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  public List<UserBean> listerTousLesUserBean() {
 
    	 List<UserBean>  l=  new ArrayList();
 
    	 l.add(new UserBean(13213,0002,"man","paula"));
    	 l.add(new UserBean(19845,0007,"Vetter","Marco"));
 
 		return l;
 	}

lister.jsp

Code :

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<%@taglib uri="http://java.sun.com/jsf/core" prefix="f"%>  
 
<%@taglib uri="http://java.sun.com/jsf/html" prefix="h"%>  
 
 
 
<html>  
 
<head>  
 
 <title>Add New User Form</title>  
 
</head>  
 
<body>  
 <f:view>  
<h:dataTable
 var="userBean" border="1">
 
 
<h:column>
<f:facet name="header">
<f:verbatim>Nom</f:verbatim>
</f:facet>
<h:outputText value="#{userBean.listerTousLesUserBean().get(0).name}"/>
</h:column>
<h:column>
<f:facet name="header">
<f:verbatim>Prénom</f:verbatim>
</f:facet>
<h:outputText value="#{userBean.addUser.listerTousLesUserBean().get(0).prenom}"/>
</h:column>
 
 
 
 
 
 
</h:dataTable>

il m'affiche une erreur !!

voici l'erreur:
org.apache.jasper.JasperException: /listertous.jsp(25,0) The function listerTousLesUserBean must be used with a prefix when a default namespace is not specified
org.apache.jasper.compiler.DefaultErrorHandler.jspError(DefaultErrorHandler.java:40)

les jars a installé dans une application jsf

JSF Java

Vue hybride

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