Erreur "DataTable no record found"

Bonjour a tous

je veux afficher la liste des cellules associées à un certain RNC. ce dernier sera seléctionné a partir d'une datatable dont la derniere colonne est un boutton qui sensé ouvrir un dialogue et dans lequel on trouve une deuxieme datatable qui contient les cellules associés.

ma page xhtml

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<h:form id="form">   <p:growl id="growl" showDetail="true" /> <p:fieldset legend="Available RNC" toggleable="true" toggleSpeed="500"> <p:ajax event="toggle" listener="#{RncMB.handleToggle}" update="growl" />   <p:dataTable id="availableCars" var="car" value="#{RncMB.current}" rowKey="#{car.provider}" paginator="true" rows="10" lazy="true" rendered="#{empty RncMB.resultatRecherche}">   <f:facet name="header"> List of RNC </f:facet> <p:column style="width:20px"> <h:outputText id="dragIcon" styleClass="ui-icon ui-icon-arrow-4" /> <p:draggable for="dragIcon" revert="true" /> </p:column> <p:column headerText="provider" id="model"> #{car.provider} </p:column>   <p:column headerText="RNC" id="year"> #{car.rnc} </p:column>   <p:column headerText="OMC" id="manufacturer"> #{car.omci} </p:column>     </p:dataTable>     <p:dataTable id="availableCars2" var="car" value="#{RncMB.resultatRecherche}" paginator="true" rows="10" rendered="#{not empty RncMB.resultatRecherche}"> <f:facet name="header"> List of Cell </f:facet> <p:column style="width:20px"> <h:outputText id="dragIcon" styleClass="ui-icon ui-icon-arrow-4" /> <p:draggable for="dragIcon" revert="true" /> </p:column> <p:column headerText="constructeur" id="model"> #{car.provider} </p:column>   <p:column headerText="RNC" id="year"> #{car.rnc} </p:column> <p:column headerText="OMC" id="manufacturer"> #{car.omci} </p:column> </p:dataTable>   </p:fieldset>   <p:growl id="growl1" showDetail="true" /> <p:fieldset id="selectedCells" legend="Selected Rnc" toggleable="true" toggleSpeed="500" style="margin-top:20px"> <p:ajax event="toggle" listener="#{RncMB.handleToggle}" update="growl1" /> <p:outputPanel id="dropArea"> <h:outputText value="!!!Drop here!!!" rendered="#{empty RncMB.droppedRnc}" style="font-size:24px;" />   <p:dataTable var="car" value="#{RncMB.droppedRnc}" rendered="#{not empty RncMB.droppedRnc}">   <p:column style="width:20px"> <p:commandButton update=":form" actionListener="#{RncMB.delete}" icon="ui-icon-close" title="Double Click to Delete"> <f:setPropertyActionListener value="#{car}" target="#{RncMB.selectedTo}" /> </p:commandButton> </p:column>   <p:column headerText="Provider"> <h:outputText value="#{car.provider}" /> </p:column>   <p:column headerText="OMC"> <h:outputText value="#{car.omci}" /> </p:column>   <p:column headerText="RNC"> <h:outputText value="#{car.rnc}" /> </p:column>   <p:column style="width:32px"> <p:commandButton oncomplete="carDialog.show()" update=":form:dialogId" icon="ui-icon-search"> <f:setPropertyActionListener value="#{car}" target="#{RncMB.selected}" /> </p:commandButton> </p:column> </p:dataTable> </p:outputPanel> </p:fieldset>   <p:droppable for="selectedCells" tolerance="touch" activeStyleClass="ui-state-highlight" datasource="availableCars" onDrop="handleDrop" rendered="#{empty RncMB.resultatRecherche}"> <p:ajax listener="#{RncMB.onCellDrop}" update="dropArea availableCars" /> </p:droppable> <p:droppable for="selectedCells" tolerance="touch" activeStyleClass="ui-state-highlight" datasource="availableCars2" onDrop="handleDrop" rendered="#{not empty RncMB.resultatRecherche}"> <p:ajax listener="#{RncMB.onDrop}" update="dropArea availableCars" /> </p:droppable> <p:dialog id="dialogId" header="Detail" widgetVar="carDialog" resizable="false" draggable="false" width="550" height="600" showEffect="fade" hideEffect="fade" dynamic="true">   <h:panelGrid id="display" columns="1" cellpadding="4">   <p:dataTable id="dataTable" var="c" value="#{RncMB.cellules}" filteredValue="#{RncMB.filtered}" rendered="#{not empty RncMB.cellules}">   <f:facet name="header"> Associated Cell List </f:facet> <p:column id="modelColumn" filterBy="#{c.provider}" headerText="Provider" filterMatchMode="contains"> <h:outputText value="#{c.provider}" /> </p:column>   <p:column id="yearColumn" filterBy="#{c.rnc}" headerText="Rnc" filterMatchMode="contains"> <h:outputText value="#{c.rnc}" /> </p:column>   <p:column id="manufacturerColumn" filterBy="#{c.ci}" headerText="CI" filterMatchMode="contains"> <h:outputText value="#{c.ci}" /> </p:column>   <p:column id="colorColumn" filterBy="#{c.nomCell}" headerText="Nom Cell" filterMatchMode="contains"> <h:outputText value="#{c.nomCell}" /> </p:column> </p:dataTable>   </h:panelGrid> </p:dialog>     </h:form>

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quant au bean il est presenté comme suit

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package com.otv.managed.bean;   import java.io.Serializable; import java.util.ArrayList; import java.util.List;   import javax.annotation.PostConstruct; import javax.faces.application.FacesMessage; import javax.faces.bean.ManagedBean; import javax.faces.bean.ManagedProperty; import javax.faces.bean.SessionScoped; import javax.faces.component.UIComponent; import javax.faces.context.FacesContext; import javax.faces.event.ActionEvent;   import org.primefaces.event.DragDropEvent; import org.primefaces.event.ToggleEvent; import org.primefaces.model.DefaultTreeNode; import org.primefaces.model.TreeNode;   import com.otv.managed.bean.WcellBean.ColumnModel; import com.otv.model.*; import com.otv.service.ICurrentRncService; import com.otv.service.IKpiService; import com.otv.service.IKpiWcellDTOService;     @ManagedBean(name = "RncMB") @SessionScoped public class RncBean {   @ManagedProperty(value = "#{CurrentRncService}") ICurrentRncService currentRncService; @ManagedProperty(value="#{KpiWcellDTOService}") IKpiWcellDTOService kpiWcellDTOService; @ManagedProperty(value="#{KpiService}") IKpiService kpiService;   private CurrentRnc selectedTo = new CurrentRnc(); private CurrentRnc selected= new CurrentRnc(); private List<CurrentRnc> current = new ArrayList<CurrentRnc>(); private List<CurrentRnc> droppedRnc = new ArrayList<CurrentRnc>(); private List<CurrentRnc> resultatRecherche = new ArrayList<CurrentRnc>(); private List<CurrentRnc> treeSelection= new ArrayList<CurrentRnc>(); private List<Rnc> historique= new ArrayList<Rnc>(); private List<CurrentWcell> cellules = new ArrayList<CurrentWcell>(); private List<CurrentWcell> filtered=new ArrayList<CurrentWcell>(); private List<String> TypeKpi = new ArrayList<String>(); private List<KpiWcellDTO> KpiTypeInd = new ArrayList<KpiWcellDTO>(); private List<KpiRncDay> daily= new ArrayList<KpiRncDay>(); private List<KpiRncHour>hourly= new ArrayList<KpiRncHour>(); private List<KpiRncBh>bh= new ArrayList<KpiRncBh>(); private List <KpiRncBhData>data = new ArrayList<KpiRncBhData>(); private List<KpiRncBhHp>hp= new ArrayList<KpiRncBhHp>(); private String ch1; private String ch2; private String ch3; private String ch4; private String date1; private String date2; private String date3; private String date4; private String date5; private String date6; private int h1; private int h2; private int number; private TreeNode root; private TreeNode root1; private TreeNode[] selectedNodes; private TreeNode[] selectedInd; private boolean testProvider; private boolean testRnc; private boolean testOmc; private boolean testNumber; private boolean verif; private boolean testDaily; private boolean testBh; private boolean testBhData; private boolean testHp;     //dataTable Dynamique private String columnTemplate ="net dat rnc"; private String columnTemplatebh ="net dat bh"; private List<String> VALID_COLUMN_KEYS =new ArrayList<String>(); private List<ColumnModel> columns = new ArrayList<ColumnModel>(); private List<String>provisoire= new ArrayList<String>(); //Constructeur   public RncBean() { root = new DefaultTreeNode("Root", null); TreeNode node = new DefaultTreeNode("List", root); TreeNode node0 = new DefaultTreeNode("Provider", node); TreeNode node1 = new DefaultTreeNode("OMCI", node); TreeNode node2 = new DefaultTreeNode("RNC", node); } @PostConstruct public void init(){   //tree KPI root1 = new DefaultTreeNode("Root", null); TreeNode noeud = new DefaultTreeNode("List", root1); TypeKpi= getKpiWcellDTOService().listeType(); KpiTypeInd=getKpiWcellDTOService().listeInd();   System.out.println("taille de la liste des indicateurs ="+KpiTypeInd.size()); for ( int i = 0 ; i< TypeKpi.size() ; i++) { TreeNode premierNiveau = new DefaultTreeNode(TypeKpi.get(i),noeud);   for (int j = 0 ; j < KpiTypeInd.size() ; j++) { if (TypeKpi.get(i).equals(KpiTypeInd.get(j).getType())){ TreeNode secondNiveau = new DefaultTreeNode(KpiTypeInd.get(j).getNom_ind(),premierNiveau); } }   }   } //getter+Setter public ICurrentRncService getCurrentRncService() { return currentRncService; }   public void setCurrentRncService(ICurrentRncService currentRncService) { this.currentRncService = currentRncService; } public IKpiWcellDTOService getKpiWcellDTOService() { return kpiWcellDTOService; } public void setKpiWcellDTOService(IKpiWcellDTOService kpiWcellDTOService) { this.kpiWcellDTOService = kpiWcellDTOService; } public IKpiService getKpiService() { return kpiService; } public void setKpiService(IKpiService kpiService) { this.kpiService = kpiService; }     public List<String> getTypeKpi() { return TypeKpi; } public void setTypeKpi(List<String> typeKpi) { TypeKpi = typeKpi; } public List<KpiWcellDTO> getKpiTypeInd() { return KpiTypeInd; } public void setKpiTypeInd(List<KpiWcellDTO> kpiTypeInd) { KpiTypeInd = kpiTypeInd; } public String getDate1() { return date1; }   public void setDate1(String date1) { this.date1 = date1; }   public String getDate2() { return date2; }   public void setDate2(String date2) { this.date2 = date2; }   public TreeNode getRoot1() { return root1; } public void setRoot1(TreeNode root1) { this.root1 = root1; } public TreeNode getRoot() { return root; } public void setRoot(TreeNode root) { this.root = root; }   public TreeNode[] getSelectedInd() { return selectedInd; } public void setSelectedInd(TreeNode[] selectedInd) { this.selectedInd = selectedInd; } public TreeNode[] getSelectedNodes() { return selectedNodes; }   public void setSelectedNodes(TreeNode[] selectedNodes) { this.selectedNodes = selectedNodes; }   public List<Rnc> getHistorique() { return historique; }   public void setHistorique(List<Rnc> historique) { this.historique = historique; }   public List<CurrentRnc> getTreeSelection() { return treeSelection; }   public void setTreeSelection(List<CurrentRnc> treeSelection) { this.treeSelection = treeSelection; }   public boolean isTestProvider() { return testProvider(); }   public void setTestProvider(boolean testProvider) { this.testProvider = testProvider; }   public boolean isTestRnc() { return testRnc(); }   public void setTestRnc(boolean testRnc) { this.testRnc = testRnc; }   public boolean isTestOmc() { return testOmc(); }   public void setTestOmc(boolean testOmc) { this.testOmc = testOmc; }   public CurrentRnc getSelected() { return selected; } public void setSelected(CurrentRnc selected) { this.selected = selected; }   public List<CurrentWcell> getFiltered() { return filtered; } public void setFiltered(List<CurrentWcell> filtered) { this.filtered = filtered; } public List<CurrentWcell> getCellules() { wcellAsso(); return cellules; } public void setCellules(List<CurrentWcell> cellules) { this.cellules = cellules; } public List<CurrentRnc> getCurrent() { return getCurrentRncService().listAll(); } public void setCurrent(List<CurrentRnc> current) { this.current = current; } public List<CurrentRnc> getDroppedRnc() { return droppedRnc; } public void setDroppedRnc(List<CurrentRnc> droppedRnc) { this.droppedRnc = droppedRnc; } public CurrentRnc getSelectedTo() { return selectedTo; } public void setSelectedTo(CurrentRnc selectedTo) { this.selectedTo = selectedTo; } public String getCh1() { return ch1; } public void setCh1(String ch1) { this.ch1 = ch1; } public String getCh2() { return ch2; } public void setCh2(String ch2) { this.ch2 = ch2; } public List<CurrentRnc> getResultatRecherche() { return resultatRecherche; } public void setResultatRecherche(List<CurrentRnc> resultatRecherche) { this.resultatRecherche = resultatRecherche; }   public List<KpiRncDay> getDaily() { return daily; } public void setDaily(List<KpiRncDay> daily) { this.daily = daily; } public List<KpiRncHour> getHourly() { return hourly; } public void setHourly(List<KpiRncHour> hourly) { this.hourly = hourly; } public List<KpiRncBh> getBh() { return bh; } public void setBh(List<KpiRncBh> bh) { this.bh = bh; } public List<KpiRncBhData> getData() { return data; } public void setData(List<KpiRncBhData> data) { this.data = data; } public List<KpiRncBhHp> getHp() { return hp; } public void setHp(List<KpiRncBhHp> hp) { this.hp = hp; }     public String getCh3() { return ch3; } public void setCh3(String ch3) { this.ch3 = ch3; } public String getCh4() { return ch4; } public void setCh4(String ch4) { this.ch4 = ch4; } public String getDate3() { return date3; } public void setDate3(String date3) { this.date3 = date3; } public String getDate4() { return date4; } public void setDate4(String date4) { this.date4 = date4; } public String getDate5() { return date5; } public void setDate5(String date5) { this.date5 = date5; } public String getDate6() { return date6; } public void setDate6(String date6) { this.date6 = date6; } public int getH1() { return h1; } public void setH1(int h1) { this.h1 = h1; } public int getH2() { return h2; } public void setH2(int h2) { this.h2 = h2; } public boolean isTestNumber() { return testNumber(); } public void setTestNumber(boolean testNumber) { this.testNumber = testNumber; } public boolean isVerif() { return verif(); } public void setVerif(boolean verif) { this.verif = verif; } public boolean isTestDaily() { return testDaily(); } public void setTestDaily(boolean testDaily) { this.testDaily = testDaily; } public boolean isTestBh() { return testBh(); } public void setTestBh(boolean testBh) { this.testBh = testBh; } public boolean isTestBhData() { return testBhData(); } public void setTestBhData(boolean testBhData) { this.testBhData = testBhData; } public boolean isTestHp() { return testHp(); } public void setTestHp(boolean testHp) { this.testHp = testHp; } public boolean testNumber() { boolean f=true; int k=getNumber(); if (k==1) {f = false;} if (k!=1){f = true;} return f; } public boolean testDaily() { boolean f = true ; int k = getNumber(); if(k==2){f = true;} else {f=false;} return f; }   public boolean testBh() { boolean f = true ; int k = getNumber(); if(k==3){f = true;} else {f=false;} return f; } public boolean testBhData() { boolean f = true ; int k = getNumber(); if(k==4){f = true;} else {f=false;} return f; } public boolean testHp() { boolean f = true ; int k = getNumber(); if(k==5){f = true;} else {f=false;} return f; }   public String getColumnTemplate() { return columnTemplate; } public void setColumnTemplate(String columnTemplate) { this.columnTemplate = columnTemplate; } public String getColumnTemplatebh() { return columnTemplatebh; } public void setColumnTemplatebh(String columnTemplatebh) { this.columnTemplatebh = columnTemplatebh; } public List<String> getVALID_COLUMN_KEYS() { List <String> s = getProvisoire(); VALID_COLUMN_KEYS.addAll(s); return VALID_COLUMN_KEYS; } public void setVALID_COLUMN_KEYS(List<String> vALID_COLUMN_KEYS) { VALID_COLUMN_KEYS = vALID_COLUMN_KEYS; } public List<ColumnModel> getColumns() { return columns; } public void setColumns(List<ColumnModel> columns) { this.columns = columns; } public List<String> getProvisoire() { return getKpiWcellDTOService().Colonne(); } public void setProvisoire(List<String> provisoire) { this.provisoire = provisoire; }   public int getNumber() { return number; } public void setNumber(int number) { this.number = number; } //Fonction public void handleToggle(ToggleEvent event) { FacesMessage msg = new FacesMessage(FacesMessage.SEVERITY_INFO, "Fieldset Toggled", "");   FacesContext.getCurrentInstance().addMessage(null, msg); }   public void delete(ActionEvent actionEvent) { addMessage("Data deleted"); droppedRnc.remove(selectedTo);   }   public void addMessage(String summary) { FacesMessage message = new FacesMessage(FacesMessage.SEVERITY_INFO, summary, null); FacesContext.getCurrentInstance().addMessage(null, message); }   public void rechercher(ActionEvent actionEvent) { System.out.println("invocation de la methode de recherche!!");   resultatRecherche = getCurrentRncService().Rechercher(getCh1(), getCh2());   for (int i = 0; i < resultatRecherche.size(); i++) { System.out.println(resultatRecherche.get(i).getRnc()); System.out.println(resultatRecherche.get(i).getProvider()); } } public void onCellDrop(DragDropEvent ddEvent) { CurrentRnc car = ((CurrentRnc) ddEvent.getData()); System.out.println(droppedRnc.size()); droppedRnc.add(car); System.out.println(droppedRnc.size()); } public void onDrop(DragDropEvent ddEvent) { CurrentRnc car = ((CurrentRnc) ddEvent.getData());   droppedRnc.add(car);   }   // public void wcellAssoc (ActionEvent actionEvent) // { // List<CurrentWcell> list=wcellAsso(); // } public void wcellAsso ()   {//ActionEvent actionEvent System.out.println("Wcell Associés à cet RNC!!"); System.out.println("element selectionné "+selected.getRnc()); cellules= getCurrentRncService().WcellAssoc(selected.getRnc()); System.out.println("Wcell Associés à cet RNC!!"); System.out.println("element selectionné "+selected.getRnc()); for (int i = 0; i < cellules.size(); i++) { System.out.println(cellules.get(i).getRnc()); System.out.println(cellules.get(i).getCi());   }   } public void displaySelectedMultiple(ActionEvent event) { boolean b; String y="" ; List<String> testee= getTousRnc(); for(int m = 0; m< testee.size()-1; m++) { y=y+testee.get(m)+"','";   }   y = y+testee.get(testee.size()-1); System.out.println("chaine liste finale = "+y);     treeSelection= getCurrentRncService().Design(y); System.out.println("treeselection" +treeSelection.size()); b=testProvider(); System.out.println(b); for (int i = 0; i < treeSelection.size(); i++) { System.out.println(treeSelection.get(i).getRnc()); System.out.println(treeSelection.get(i).getProvider()); } if(selectedNodes != null && selectedNodes.length > 0) { StringBuilder builder = new StringBuilder();   for(TreeNode node : selectedNodes) { builder.append(node.getData().toString()); builder.append("<br />"); System.out.println(node); }   FacesMessage message = new FacesMessage(FacesMessage.SEVERITY_INFO, "Selected", builder.toString());   FacesContext.getCurrentInstance().addMessage(null, message); } else System.out.println("la selection ?????"); } public List<String>getTousRnc() { List<String>convertir=new ArrayList<String>(); List<CurrentRnc>dr=getDroppedRnc(); for (int i=0; i<dr.size();i++) { String ch= dr.get(i).getRnc(); convertir.add(ch); }   return convertir;   } public boolean testProvider() { boolean b=false ; if (selectedNodes == null && selectedNodes.length < 0) { b=false; } if (selectedNodes != null && selectedNodes.length > 0) { for(TreeNode node : selectedNodes) { if (node.getData().toString().equals("Provider")) {b=true;}   } } return b;   } public boolean testRnc() { boolean b=false ; if (selectedNodes == null && selectedNodes.length < 0) { b=false; } if (selectedNodes != null && selectedNodes.length > 0) { for(TreeNode node : selectedNodes) { if (node.getData().toString().equals("RNC")) {b=true;}   } } return b; }   public boolean testOmc() { boolean b=false ; if (selectedNodes == null && selectedNodes.length < 0) { b=false; } if (selectedNodes != null && selectedNodes.length > 0) { for(TreeNode node : selectedNodes) { if (node.getData().toString().equals("OMCI")) {b=true;}   } } return b; } public void historique(ActionEvent actionEvent) { boolean b; String y="" ; List<String> testee= getTousRnc(); for(int m = 0; m< testee.size()-1; m++) { y=y+testee.get(m)+"','";   }   y = y+testee.get(testee.size()-1); System.out.println("chaine liste finale = "+y);   System.out.println("!!!!!!!!!!!!HISTORIQUE DEMANDEE !!!!!!!!!!"); historique= getCurrentRncService().historique(date1,date2,y); System.out.println("historique" +historique.size()); b=testProvider(); System.out.println(b); if (historique.size()==0){ FacesMessage mes = new FacesMessage("No Record Found!"); FacesMessage m = new FacesMessage("No Record Found!", "No Record Found!"); FacesContext.getCurrentInstance().addMessage(null, m); }else{ for (int i = 0; i < historique.size(); i++) { System.out.println(historique.get(i).getRnc()); System.out.println(historique.get(i).getProvider()); System.out.println(historique.get(i).getDat()); } if(selectedNodes != null && selectedNodes.length > 0) { StringBuilder builder = new StringBuilder();   for(TreeNode node : selectedNodes) { builder.append(node.getData().toString()); builder.append("<br />"); System.out.println(node); }   FacesMessage message = new FacesMessage(FacesMessage.SEVERITY_INFO, "Selected", builder.toString());   FacesContext.getCurrentInstance().addMessage(null, message); } else System.out.println("la selection ?????");}   }   public void hourly(ActionEvent actionEvent) { boolean b; String y="" ; List<String> testee= getTousRnc(); for(int m = 0; m< testee.size()-1; m++) { y=y+testee.get(m)+",";   }   y = y+testee.get(testee.size()-1); System.out.println("chaine liste finale = "+y);   System.out.println("!!!!!!!!!!!!HISTORIQUE DEMANDEE !!!!!!!!!!"); hourly= getKpiService().hourlyRnc(date3, date4, h1, h2, y); System.out.println("taille de la liste hourly" +hourly.size());   if (hourly.size()==0){ System.out.println("No Record Found!"); FacesMessage mes = new FacesMessage("No Record Found!"); FacesMessage m = new FacesMessage("No Record Found!", "No Record Found!"); FacesContext.getCurrentInstance().addMessage(null, m); }else{ for (int i = 0; i < hourly.size(); i++) { System.out.println(hourly.get(i).getRnc()); System.out.println(hourly.get(i).getDat()); } if(selectedInd != null && selectedInd.length > 0) { StringBuilder builder = new StringBuilder();   for(TreeNode node : selectedInd) { builder.append(node.getData().toString()); builder.append("<br />"); // System.out.println(node); }   FacesMessage message = new FacesMessage(FacesMessage.SEVERITY_INFO, "Selected", builder.toString());   FacesContext.getCurrentInstance().addMessage(null, message);   UIComponent table = FacesContext.getCurrentInstance().getViewRoot().findComponent(":layout1:inner_south1:dynamictable"); // table.setValueExpression("sortBy", null);   //update columns columnTemplate= columnTemplate+" "+"hour"; createDynamicColumns(); } else System.out.println("la selection ?????");}   }     public void daily(ActionEvent actionEvent) { boolean b; String y="" ; List<String> testee= getTousRnc(); for(int m = 0; m< testee.size()-1; m++) { y=y+testee.get(m)+",";   }   y = y+testee.get(testee.size()-1); System.out.println("chaine liste finale = "+y);   System.out.println("!!!!!!!!!!!!HISTORIQUE DAILY DEMANDEE !!!!!!!!!!"); //hourly= getKpiService().hourly(date3, date4, h1, h2, y); daily = getKpiService().dailyRnc(date5, date6, y); System.out.println("taille de la liste daily" +daily.size());   if (daily.size()==0){ FacesMessage mes = new FacesMessage("No Record Found!"); FacesMessage m = new FacesMessage("No Record Found!", "No Record Found!"); FacesContext.getCurrentInstance().addMessage(null, m); }else{ for (int i = 0; i < daily.size(); i++) { System.out.println(daily.get(i).getRnc()); System.out.println(daily.get(i).getDat());   } if(selectedInd != null && selectedInd.length > 0) { StringBuilder builder = new StringBuilder();   for(TreeNode node : selectedInd) { builder.append(node.getData().toString()); builder.append("<br />"); // System.out.println(node); }   FacesMessage message = new FacesMessage(FacesMessage.SEVERITY_INFO, "Selected", builder.toString());   FacesContext.getCurrentInstance().addMessage(null, message);   UIComponent table = FacesContext.getCurrentInstance().getViewRoot().findComponent(":layout1:inner_south1:dynamictable"); // table.setValueExpression("sortBy", null);   //update columns   createDynamicColumns(); } else System.out.println("la selection ?????");}   }   public void bh(ActionEvent actionEvent) { boolean b; String y="" ; List<String> testee= getTousRnc(); for(int m = 0; m< testee.size()-1; m++) { y=y+testee.get(m)+",";   }   y = y+testee.get(testee.size()-1); System.out.println("chaine liste finale = "+y);   System.out.println("!!!!!!!!!!!!HISTORIQUE DAILY DEMANDEE !!!!!!!!!!"); //hourly= getKpiService().hourly(date3, date4, h1, h2, y); bh = getKpiService().bhRnc(date5, date6, y); System.out.println("taille de la liste bh" +bh.size());   if (bh.size()==0){ FacesMessage mes = new FacesMessage("No Record Found!"); FacesMessage m = new FacesMessage("No Record Found!", "No Record Found!"); FacesContext.getCurrentInstance().addMessage(null, m); }else{ for (int i = 0; i < bh.size(); i++) {   System.out.println(bh.get(i).getRnc()); System.out.println(bh.get(i).getDat()); } if(selectedInd != null && selectedInd.length > 0) { StringBuilder builder = new StringBuilder();   for(TreeNode node : selectedInd) { builder.append(node.getData().toString()); builder.append("<br />"); // System.out.println(node); }   FacesMessage message = new FacesMessage(FacesMessage.SEVERITY_INFO, "Selected", builder.toString());   FacesContext.getCurrentInstance().addMessage(null, message);   UIComponent table = FacesContext.getCurrentInstance().getViewRoot().findComponent(":layout1:inner_south1:dynamictable"); // table.setValueExpression("sortBy", null);   //update columns   createDynamicColumnsbh(); } else System.out.println("la selection ?????");}   } public void hp(ActionEvent actionEvent) { boolean b; String y="" ; List<String> testee= getTousRnc(); for(int m = 0; m< testee.size()-1; m++) { y=y+testee.get(m)+",";   }   y = y+testee.get(testee.size()-1); System.out.println("chaine liste finale = "+y);   System.out.println("!!!!!!!!!!!!HISTORIQUE DAILY DEMANDEE !!!!!!!!!!"); //hourly= getKpiService().hourly(date3, date4, h1, h2, y); hp = getKpiService().hpRnc(date5, date6, y); System.out.println("taille de la liste hp" +hp.size());   if (hp.size()==0){ FacesMessage mes = new FacesMessage("No Record Found!"); FacesMessage m = new FacesMessage("No Record Found!", "No Record Found!"); FacesContext.getCurrentInstance().addMessage(null, m); }else{ for (int i = 0; i < hp.size(); i++) {   System.out.println(hp.get(i).getRnc()); System.out.println(hp.get(i).getDat()); } if(selectedInd != null && selectedInd.length > 0) { StringBuilder builder = new StringBuilder();   for(TreeNode node : selectedInd) { builder.append(node.getData().toString()); builder.append("<br />"); // System.out.println(node); }   FacesMessage message = new FacesMessage(FacesMessage.SEVERITY_INFO, "Selected", builder.toString());   FacesContext.getCurrentInstance().addMessage(null, message);   UIComponent table = FacesContext.getCurrentInstance().getViewRoot().findComponent(":layout1:inner_south1:dynamictable"); // table.setValueExpression("sortBy", null);   //update columns   createDynamicColumnsbh(); } else System.out.println("la selection ?????");}   } public void data(ActionEvent actionEvent) { boolean b; String y="" ; List<String> testee= getTousRnc(); for(int m = 0; m< testee.size()-1; m++) { y=y+testee.get(m)+",";   }   y = y+testee.get(testee.size()-1); System.out.println("chaine liste finale = "+y);   System.out.println("!!!!!!!!!!!!HISTORIQUE DAILY DEMANDEE !!!!!!!!!!"); //hourly= getKpiService().hourly(date3, date4, h1, h2, y); data = getKpiService().bhDataRnc(date5, date6, y); System.out.println("taille de la liste data" +data.size());   if (data.size()==0){ FacesMessage mes = new FacesMessage("No Record Found!"); FacesMessage m = new FacesMessage("No Record Found!", "No Record Found!"); FacesContext.getCurrentInstance().addMessage(null, m); }else{ for (int i = 0; i < data.size(); i++) {   System.out.println(data.get(i).getRnc()); System.out.println(data.get(i).getDat()); } if(selectedInd != null && selectedInd.length > 0) { StringBuilder builder = new StringBuilder();   for(TreeNode node : selectedInd) { builder.append(node.getData().toString()); builder.append("<br />"); // System.out.println(node); }   FacesMessage message = new FacesMessage(FacesMessage.SEVERITY_INFO, "Selected", builder.toString());   FacesContext.getCurrentInstance().addMessage(null, message);   UIComponent table = FacesContext.getCurrentInstance().getViewRoot().findComponent(":layout1:inner_south1:dynamictable"); // table.setValueExpression("sortBy", null);   //update columns   createDynamicColumnsbh(); } else System.out.println("la selection ?????");}   }     private void createDynamicColumns() { List<String>valid = new ArrayList<String>(); int k = getNumber(); valid=getVALID_COLUMN_KEYS(); valid.add("NET"); valid.add("RNC"); valid.add("DAT"); if (k==1){valid.add("HOUR");}     for (int i =0; i<11; i++) {System.out.println("valiiid !"+valid.get(i));} for (int i=0; i<selectedInd.length; i++) { columnTemplate= columnTemplate+" "+selectedInd[i].toString().toLowerCase(); System.out.println("chaine construite : "+columnTemplate); }   String[] columnKeys = columnTemplate.split(" ");   for(String columnKey : columnKeys) { String key = columnKey.trim(); System.out.println(key); if(valid.contains(key.toUpperCase())) { columns.add(new ColumnModel(columnKey.toUpperCase(), columnKey));} }   } private void createDynamicColumnsbh() { List<String>valid = new ArrayList<String>(); int k=getNumber(); valid=getVALID_COLUMN_KEYS(); valid.add("RNC"); valid.add("BH"); valid.add("DAT");     for (int i =0; i<11; i++) {System.out.println("valiiid !"+valid.get(i));} for (int i=0; i<selectedInd.length; i++) { columnTemplatebh= columnTemplatebh+" "+selectedInd[i].toString().toLowerCase(); System.out.println("chaine construite : "+columnTemplatebh); }   String[] columnKeys = columnTemplatebh.split(" ");   for(String columnKey : columnKeys) { String key = columnKey.trim(); System.out.println(key); if(valid.contains(key.toUpperCase())) { columns.add(new ColumnModel(columnKey.toUpperCase(), columnKey));} }   }           public void submit(ActionEvent actionEvent){   if ((hourly.size()!=0)) { for (int i=0; i<hourly.size();i++){ hourly.remove(i);} } if ((daily.size()!=0)) { for (int i=0; i<daily.size();i++){ daily.remove(i);} } } public boolean verif(){ boolean x = true; if ((daily.size()==0)&&(hourly.size()==0)){x=true;} else {x=false;}   return x;   } static public class ColumnModel implements Serializable {     private String header; private String property;   public ColumnModel(String header, String property) { this.header = header; this.property = property; }   public String getHeader() { return header; }   public String getProperty() { return property; } } }

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j'ai essayé de faire un certain affichage sur la console du serveur. ceci montre bien que l'element selectionné est bel bien la (le setter de "selected" fonctionne). De plus j'ai pu afficher la liste!
mais la datatable m'affiche rien !
quelqu'un peut m'aider :(