java.lang.NullPointerException on a treenode
Hi,
I'm using richfaces 4.0, jsf 2.0 and when i click on a node in tree, i've got this error :
14:58:14,227 GRAVE [org.richfaces.log.Context] java.lang.NullPointerException: javax.faces.FacesException: java.lang.NullPointerException
at org.richfaces.component.UIDataAdaptor.invokeOnComponent(UIDataAdaptor.java:1124) [:4.0.0.Final]
at org.richfaces.renderkit.TreeRendererBase.decode(TreeRendererBase.java:208) [:4.0.0.Final]
at javax.faces.component.UIComponentBase.decode(UIComponentBase.java:791) [:2.0.3-]
at org.richfaces.component.UIDataAdaptor.processDecodes(UIDataAdaptor.java:824) [:4.0.0.Final]
at org.richfaces.context.PartialViewExecuteVisitCallback.visit(PartialViewExecuteVisitCallback.java:55) [:4.0.0.Final]
at org.richfaces.context.BaseExtendedVisitContext.invokeVisitCallback(BaseExtendedVisitContext.java:337) [:4.0.0.Final]
at org.richfaces.component.UIDataAdaptor.visitTree(UIDataAdaptor.java:1235) [:4.0.0.Final]
at javax.faces.component.UIComponent.visitTree(UIComponent.java:1487) [:2.0.3-]
at javax.faces.component.UIForm.visitTree(UIForm.java:331) [:2.0.3-]
at javax.faces.component.UIComponent.visitTree(UIComponent.java:1487) [:2.0.3-]
at javax.faces.component.UIComponent.visitTree(UIComponent.java:1487) [:2.0.3-]
at org.richfaces.context.ExtendedPartialViewContextImpl.executeComponents(ExtendedPartialViewContextImpl.java:249) [:4.0.0.Final]
at org.richfaces.context.ExtendedPartialViewContextImpl.processPartialExecutePhase(ExtendedPartialViewContextImpl.java:229) [:4.0.0.Final]
at org.richfaces.context.ExtendedPartialViewContextImpl.processPartial(ExtendedPartialViewContextImpl.java:208) [:4.0.0.Final]
at javax.faces.component.UIViewRoot.processDecodes(UIViewRoot.java:918) [:2.0.3-]
at com.sun.faces.lifecycle.ApplyRequestValuesPhase.execute(ApplyRequestValuesPhase.java:74) [:2.0.3-]
at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:97) [:2.0.3-]
at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:114) [:2.0.3-]
at javax.faces.webapp.FacesServlet.service(FacesServlet.java:308) [:2.0.3-]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:324) [:6.0.0.Final]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:242) [:6.0.0.Final]
at org.jboss.weld.servlet.ConversationPropagationFilter.doFilter(ConversationPropagationFilter.java:67) [:6.0.0.Final]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:274) [:6.0.0.Final]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:242) [:6.0.0.Final]
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:275) [:6.0.0.Final]
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191) [:6.0.0.Final]
at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:181) [:6.0.0.Final]
at org.jboss.modcluster.catalina.CatalinaContext$RequestListenerValve.event(CatalinaContext.java:285) [:1.1.0.Final]
at org.jboss.modcluster.catalina.CatalinaContext$RequestListenerValve.invoke(CatalinaContext.java:261) [:1.1.0.Final]
at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:88) [:6.0.0.Final]
at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.invoke(SecurityContextEstablishmentValve.java:100) [:6.0.0.Final]
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127) [:6.0.0.Final]
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) [:6.0.0.Final]
at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:158) [:6.0.0.Final]
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) [:6.0.0.Final]
at org.jboss.web.tomcat.service.request.ActiveRequestResponseCacheValve.invoke(ActiveRequestResponseCacheValve.java:53) [:6.0.0.Final]
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:362) [:6.0.0.Final]
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:877) [:6.0.0.Final]
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:654) [:6.0.0.Final]
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:951) [:6.0.0.Final]
at java.lang.Thread.run(Unknown Source) [:1.6.0_24]
Caused by: java.lang.NullPointerException
at org.richfaces.model.ClassicTreeNodeDataModelImpl.setupChildContext(ClassicTreeNodeDataModelImpl.java:49) [:4.0.0.Final]
at org.richfaces.model.ClassicTreeNodeDataModelImpl.setupChildContext(ClassicTreeNodeDataModelImpl.java:35) [:4.0.0.Final]
at org.richfaces.model.NodesTreeSequenceKeyModel.setupKey(NodesTreeSequenceKeyModel.java:47) [:4.0.0.Final]
at org.richfaces.model.TreeSequenceKeyModel.setRowKey(TreeSequenceKeyModel.java:49) [:4.0.0.Final]
at org.richfaces.component.UIDataAdaptor.setRowKey(UIDataAdaptor.java:277) [:4.0.0.Final]
at org.richfaces.component.UIDataAdaptor.invokeOnComponent(UIDataAdaptor.java:1111) [:4.0.0.Final]
... 40 more
My xhtml file :
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml"
xmlns:h="http://java.sun.com/jsf/html"
xmlns:a4j="http://richfaces.org/a4j"
xmlns:rich="http://richfaces.org/rich"
xmlns:f="http://java.sun.com/jsf/core"
xmlns:ui="http://java.sun.com/jsf/facelets">
<h:head></h:head>
<body>
<h:panelGrid columns="2" columnClasses="top,top" width="60%">
<f:facet name="header">
Referentiel Batiment
</f:facet>
<h:form>
<rich:tree id="tree" nodeType="#{node.type}" var="node"
value="#{refItemController.myTree}" toggleType="client"
selectionType="ajax"
selectionChangeListener="#{refItemController.selectionChanged}">
<rich:treeNode type="arbo" iconCollapsed="/images/tree/Maison.png" iconExpanded="/images/tree/Maison.png" iconLeaf="/images/tree/Maison.png">
<h:outputText value="#{node.name}"/>
</rich:treeNode>
</rich:tree>
</h:form>
<a4j:outputPanel ajaxRendered="true" layout="block">
<rich:panel header="Détails">
<h:outputText value="Nom:" />
<h:outputText value="#{refItemController.myTree.name}" />
</rich:panel>
</a4j:outputPanel>
</h:panelGrid>
</body>
</html>
My managed bean :
package com.galhauban.patrimoine.batiment;
import java.io.Serializable;
import javax.ejb.EJB;
import javax.faces.bean.ManagedBean;
import javax.faces.bean.RequestScoped;
import javax.faces.bean.SessionScoped;
import javax.inject.Named;
//@Named("batimentController")
@ManagedBean(name="batimentController")
@SessionScoped
public class BatimentController implements Serializable {
private static final long serialVersionUID = 1L;
private int identifiant;
@EJB
private BatimentLocal building;
private BatimentEntity batiment;
public BatimentController(){};
public BatimentLocal getBuilding() {
return building;
}
public void setBuilding(BatimentLocal building) {
this.building = building;
}
public BatimentEntity getBatiment() {
return batiment;
}
public void setBatiment(BatimentEntity batiment) {
this.batiment = batiment;
}
public int getIdentifiant() {
return identifiant;
}
public void setIdentifiant(int identifiant) {
this.identifiant = identifiant;
}
public String doSearch() {
try {
System.out.println("Entre dans doSearch identifiant: "+identifiant );
batiment = building.searchBatiment(identifiant);
System.out.println("Entre dans doSearch : "+batiment.getNom() );
return "building.found";
}
catch (Exception ex){
System.out.println("pb : " + ex.getMessage());
return null;
}
}
}
thanks for your help
johan JOSEPH