11:26 a.m.
yasser zairi [http://community.jboss.org/people/yasser_z] created the discussion
"Target Unreachable, identifier 'valeursMBean' resolved to null"
To view the discussion, visit: http://community.jboss.org/message/615897#615897
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Hi,
i'm a newbie to webapp developpment and i'm stuck to a crucial error.
actually i got an ERROR when i start my page.
this is the page i wanted to display:
__________________________________________________________________________
<ui:composition xmlns=" http://www.w3.org/1999/xhtml
http://www.w3.org/1999/xhtml"
xmlns:ui=" http://java.sun.com/jsf/facelets
http://java.sun.com/jsf/facelets"
xmlns:h=" http://java.sun.com/jsf/html http://java.sun.com/jsf/html"
xmlns:f=" http://java.sun.com/jsf/core http://java.sun.com/jsf/core"
xmlns:a4j=" http://richfaces.org/a4j http://richfaces.org/a4j"
xmlns:rich=" http://richfaces.org/rich http://richfaces.org/rich">
<h:form>
<rich:spacer height="30" />
<rich:scrollableDataTable frozenColCount="1"
height="400px"
width="700px" id="ValReftable" var="valmob"
value="#{valeursMBean.valeurefList}" sortMode="single"
binding="#{valeursMBean.valeurTable}">
<rich:column id="make">
<f:facet name="header"><h:outputText
styleClass="headerText" value="idvaleurRef" /></f:facet>
<h:outputText value="#{valmob.idValeurRef}" />
</rich:column>
<rich:column id="model">
<f:facet name="header"><h:outputText
styleClass="headerText" value="CodeIsin" /></f:facet>
<h:outputText value="#{valmob.codeIsin}" />
</rich:column>
<rich:column id="price">
<f:facet name="header"><h:outputText
styleClass="headerText" value="Categorie" /></f:facet>
<h:outputText value="#{valmob.categorie}" />
</rich:column>
<rich:column id="mileage">
<f:facet name="header"><h:outputText
styleClass="headerText" value="Etat" /></f:facet>
<h:outputText value="#{valmob.etat}" />
</rich:column>
<rich:column width="200px" id="vin">
<f:facet name="header"><h:outputText
styleClass="headerText" value="Denomination" /></f:facet>
<h:outputText value="#{valmob.denimination}" />
</rich:column>
<rich:column id="stock">
<f:facet name="header"><h:outputText
styleClass="headerText" value="Date Echeance" /></f:facet>
<h:outputText value="#{valmob.dateEcheance}" />
</rich:column>
</rich:scrollableDataTable>
<rich:spacer height="20px"/>
<a4j:commandButton value="Save" reRender="table"
action="#{dataTableScrollerBean.takeSelection}"/>
</h:form>
</ui:composition>
_______________________________________________________________________
my Bean is :
package cdvm.surv.web;
import java.io.Serializable;
import java.util.List;
import javax.annotation.PostConstruct;
import org.richfaces.component.html.HtmlScrollableDataTable;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Scope;
import org.springframework.stereotype.Component;
import cdvm.surv.model.ValeurRef;
import cdvm.surv.service.ValeurRefService;
@Component("valeurMBean")
@Scope("session")
public class ValeursMBean implements Serializable {
@Autowired
private transient ValeurRefService valeurefService;
private transient HtmlScrollableDataTable valeurTable;
private List<ValeurRef> valeurefList;
@PostConstruct
public void init(){
valeurefList = valeurefService.find();
}
// Getter and Setter
public HtmlScrollableDataTable getValeurTable() {
return valeurTable;
}
public void setValeurTable(HtmlScrollableDataTable valeurTable) {
this.valeurTable = valeurTable;
}
public List<ValeurRef> getValeurefList() {
return valeurefList;
}
public void setValeurefList(List<ValeurRef> valeurefList) {
this.valeurefList = valeurefList;
}
}
_______________________________________________________________________________
and the ERROR i get is :
javax.servlet.ServletException: /GestionRef/Grid.jsp @11,110
binding="#{valeursMBean.valeurTable}": Target Unreachable, identifier
'valeursMBean' resolved to null
javax.faces.webapp.FacesServlet.service(FacesServlet.java:256)
org.ajax4jsf.webapp.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:206)
org.ajax4jsf.webapp.BaseFilter.handleRequest(BaseFilter.java:290)
org.ajax4jsf.webapp.BaseFilter.processUploadsAndHandleRequest(BaseFilter.java:388)
org.ajax4jsf.webapp.BaseFilter.doFilter(BaseFilter.java:515)
*cause mère*
javax.el.PropertyNotFoundException: /GestionRef/Grid.jsp @11,110
binding="#{valeursMBean.valeurTable}": Target Unreachable, identifier
'valeursMBean' resolved to null
com.sun.facelets.el.TagValueExpression.setValue(TagValueExpression.java:95)
com.sun.faces.application.ApplicationImpl.createComponent(ApplicationImpl.java:213)
com.sun.facelets.tag.jsf.ComponentHandler.createComponent(ComponentHandler.java:224)
com.sun.facelets.tag.jsf.ComponentHandler.apply(ComponentHandler.java:139)
com.sun.facelets.tag.CompositeFaceletHandler.apply(CompositeFaceletHandler.java:47)
com.sun.facelets.tag.jsf.ComponentHandler.applyNextHandler(ComponentHandler.java:314)
com.sun.facelets.tag.jsf.ComponentHandler.apply(ComponentHandler.java:169)
com.sun.facelets.tag.CompositeFaceletHandler.apply(CompositeFaceletHandler.java:47)
com.sun.facelets.tag.ui.CompositionHandler.apply(CompositionHandler.java:119)
com.sun.facelets.compiler.NamespaceHandler.apply(NamespaceHandler.java:49)
com.sun.facelets.compiler.EncodingHandler.apply(EncodingHandler.java:25)
com.sun.facelets.impl.DefaultFacelet.include(DefaultFacelet.java:248)
com.sun.facelets.impl.DefaultFacelet.include(DefaultFacelet.java:294)
com.sun.facelets.impl.DefaultFacelet.include(DefaultFacelet.java:273)
com.sun.facelets.impl.DefaultFaceletContext.includeFacelet(DefaultFaceletContext.java:140)
com.sun.facelets.tag.ui.IncludeHandler.apply(IncludeHandler.java:65)
com.sun.facelets.tag.CompositeFaceletHandler.apply(CompositeFaceletHandler.java:47)
com.sun.facelets.tag.ui.DefineHandler.applyDefinition(DefineHandler.java:64)
com.sun.facelets.tag.ui.CompositionHandler.apply(CompositionHandler.java:131)
com.sun.facelets.impl.DefaultFaceletContext$TemplateManager.apply(DefaultFaceletContext.java:337)
com.sun.facelets.impl.DefaultFaceletContext.includeDefinition(DefaultFaceletContext.java:307)
com.sun.facelets.tag.ui.InsertHandler.apply(InsertHandler.java:68)
com.sun.facelets.tag.CompositeFaceletHandler.apply(CompositeFaceletHandler.java:47)
com.sun.facelets.tag.jsf.core.ViewHandler.apply(ViewHandler.java:109)
com.sun.facelets.tag.CompositeFaceletHandler.apply(CompositeFaceletHandler.java:47)
com.sun.facelets.compiler.NamespaceHandler.apply(NamespaceHandler.java:49)
com.sun.facelets.tag.CompositeFaceletHandler.apply(CompositeFaceletHandler.java:47)
com.sun.facelets.compiler.EncodingHandler.apply(EncodingHandler.java:25)
com.sun.facelets.impl.DefaultFacelet.include(DefaultFacelet.java:248)
com.sun.facelets.impl.DefaultFacelet.include(DefaultFacelet.java:294)
com.sun.facelets.impl.DefaultFacelet.include(DefaultFacelet.java:273)
com.sun.facelets.impl.DefaultFaceletContext.includeFacelet(DefaultFaceletContext.java:140)
com.sun.facelets.tag.ui.CompositionHandler.apply(CompositionHandler.java:113)
com.sun.facelets.compiler.NamespaceHandler.apply(NamespaceHandler.java:49)
com.sun.facelets.compiler.EncodingHandler.apply(EncodingHandler.java:25)
com.sun.facelets.impl.DefaultFacelet.apply(DefaultFacelet.java:95)
com.sun.facelets.FaceletViewHandler.buildView(FaceletViewHandler.java:524)
com.sun.facelets.FaceletViewHandler.renderView(FaceletViewHandler.java:567)
org.ajax4jsf.application.ViewHandlerWrapper.renderView(ViewHandlerWrapper.java:100)
org.ajax4jsf.application.AjaxViewHandler.renderView(AjaxViewHandler.java:176)
com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:106)
com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:251)
com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:144)
javax.faces.webapp.FacesServlet.service(FacesServlet.java:245)
org.ajax4jsf.webapp.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:206)
org.ajax4jsf.webapp.BaseFilter.handleRequest(BaseFilter.java:290)
org.ajax4jsf.webapp.BaseFilter.processUploadsAndHandleRequest(BaseFilter.java:388)
org.ajax4jsf.webapp.BaseFilter.doFilter(BaseFilter.java:515)
any suggestions are welcomed
Regards
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