Hi i created one dataTable using Primefaces,and i created link to the name column of the dataTable. Now it should move on the next page and display its selected row contents in the next page once i click on the name link but i am getting the following error:
javax.el.PropertyNotFoundException: /view.xhtml at line 50 and column 81 target="#{OrderBean.selectedOrder}": Target Unreachable, identifier 'OrderBean' resolved to null
at org.apache.myfaces.view.facelets.el.TagValueExpression.setValue(TagValueExpression.java:121) at org.apache.myfaces.view.facelets.tag.jsf.core.SetPropertyActionListenerHandler$SetPropertyListener.processAction(SetPropertyActionListenerHandler.java:110) at javax.faces.event.ActionEvent.processListener(ActionEvent.java:51)
at javax.faces.component.UIComponentBase.broadcast(UIComponentBase.java:344)
at javax.faces.component.UICommand.broadcast(UICommand.java:103)
at javax.faces.component.UIData.broadcast(UIData.java:761)
at javax.faces.component.UIViewRoot._broadcastAll(UIViewRoot.java:973)
at javax.faces.component.UIViewRoot.broadcastEvents(UIViewRoot.java:275)
at javax.faces.component.UIViewRoot._process(UIViewRoot.java:1285)
at javax.faces.component.UIViewRoot.processApplication(UIViewRoot.java:711)
at org.apache.myfaces.lifecycle.InvokeApplicationExecutor.execute(InvokeApplicationExecutor.java:34)
at org.apache.myfaces.lifecycle.LifecycleImpl.executePhase(LifecycleImpl.java:171)
when i click on the link. Can anyone plz help me resolve this error out.check whether i made any mistake in the setpropertyaction Listener ???
if so plz post the correct code. I am waiting the answers please help me to clear the error using jas 2.0 and primefaces.
view.xhtml
<p:dataTable id="dataTable" var="v" value="#{order.orderList}" paginator="true" rows="3" paginatorTemplate="{CurrentPageReport} {FirstPageLink} {PreviousPageLink} {PageLinks} {NextPageLink} {LastPageLink} {RowsPerPageDropdown}"
rowKey="#{order.year}" rowsPerPageTemplate="6,9">
<f:facet name="header">
Data Table
</f:facet>
<p:column>
<f:facet name="header">
<h:outputText value="Name" />
</f:facet>
<p:commandLink value="#{v.name}" action="/nextpage.xhtml?faces-redirect=true" rowSelectListener="#{orderBean.onRowSelectNavigate}" >
<f:setPropertyActionListener value="#{v}" target="#{orderBean.selectedOrder}"/>
</p:commandLink>
</p:column>
<p:column>
<f:facet name="header">
<h:outputText value="Year" />
</f:facet>
<h:outputText value="#{v.year}" />
</p:column>
----------</p:datatable>
OrderBean.java
import java.io.Serializable;
import java.util.ArrayList;
import java.util.Arrays;
import javax.faces.bean.ManagedBean;
import javax.faces.bean.SessionScoped;
import javax.faces.bean.ViewScoped;
import javax.faces.context.FacesContext;
import org.primefaces.event.SelectEvent;
@ManagedBean(name="order")
@SessionScoped
@ViewScoped
public class OrderBean implements Serializable{
private static final long serialVersionUID = 1L;
String name;
int year;
String company;
String number;
private Order selectedOrder;
public Order getSelectedOrder() {
return selectedOrder;
}
public void setSelectedOrder(Order selectedOrder) {
this.selectedOrder = selectedOrder;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public int getYear() {
return year;
}
public void setYear(int year) {
this.year = year;
}
public String getCompany() {
return company;
}
public void setCompany(String company) {
this.company = company;
}
public String getNumber() {
return number;
}
public void setNumber(String number) {
this.number = number;
}
private static final ArrayList<Order> orderList =
new ArrayList<Order>(Arrays.asList(
new Order("vidhya",2020,"IT","1"),
new Order("madhu",1021,"BT", "2"),
new Order("manu",3846,"Mech","3"),
new Order("shruthi",5647,"Benz","4")
));
public ArrayList<Order> getOrderList() {
return orderList;
}
public String addAction() {
Order order = new Order(this.name, this.year,
this.company, this.number);
orderList.add(order);
return null;
}
public static class Order{
String name;
int year;
String company;
String number;
public Order(String name, int year,
String company, String number) {
this.name = name;
this.year = year;
this.company = company;
this.number = number;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public int getYear() {
return year;
}
public void setYear(int year) {
this.year = year;
}
public String getCompany() {
return company;
}
public void setCompany(String company) {
this.company = company;
}
public String getNumber() {
return number;
}
public void setNumber(String number) {
this.number = number;
}
public String moveToNextPage(){
return "nextpage";
}
public String onRowSelectNavigate(SelectEvent event) {
FacesContext.getCurrentInstance().getExternalContext().getFlash().put("selectedOrder", event.getObject());
return "nextpage?faces-redirect=true";
}
nextpage.xhtml
<h:panelGrid id="display" columns="2" cellpadding="4" >
<f:facet name="header">
details
</f:facet>
<h:outputText value="Name:" />
<h:outputText value="#{orderBean.selectedOrder.name}" />
<h:outputText value="Year:" />
<h:outputText value="#{orderBean.selectedOrder.year}" />
<h:outputText value="Company:" />
<h:outputText value="#{orderBean.selectedOrder.company}" />
<h:outputText value="Number:" />
<h:outputText value="#{orderBean.selectedOrder.number}" />
</h:panelGrid>
