I am trying to pass an object from one page (a page with a grid) to another
page (the page with BeanDisplay).
I know am making a silly mistake somewhere but i have spent 2 hours on it
and i still cant figure out the issue.
Here is the page with the grid
<html t:type="layout" t:title="Show all contacts"
xmlns:t="http://tapestry.apache.org/schema/tapestry_5_1_0.xsd";
xmlns:p="tapestry:parameter">
<div class="span-6">
<div t:type="menu"/>
</div>
<div class="span-16">
<table t:type="grid" t:source="contacts" t:row="contact"
t:add="Actions">
<p:actionscell>
<t:actionlink t:id="delete" t:context="contact.id
">delete</t:actionlink>|
<t:actionlink t:id="view" t:context="contact.id
">view</t:actionlink>
</p:actionscell>
</table>
</div>
</html>
public class ShowAll {
@Inject
private Dao dao ;
@Property
private Contact contact ;
@InjectPage
private ViewContact viewContact ;
public List<Contact> getContacts(){
return dao.getAll();
}
@OnEvent(value="action", component="delete")
private void deleteContact(Long id){
dao.delete(id, Contact.class);
}
@OnEvent(value="action", component="view")
private Object viewContact(Long id){
Contact contact = dao.getById(id, Contact.class);
viewContact.setContact(contact);
return viewContact ;
}
}
The view page
<html t:type="layout" t:title="Show all contacts"
xmlns:t="http://tapestry.apache.org/schema/tapestry_5_1_0.xsd";
xmlns:p="tapestry:parameter">
<div class="span-6">
<t:menu title="Viewing Contact"/>
</div>
<div class="span-16">
<t:beandisplay object="contact"/>
</div>
</html>
package com.josh.addressbook.pages;
import com.josh.addressbook.entities.Contact;
public class ViewContact {
private Contact contact ;
public Contact getContact() {
return contact;
}
public void setContact(Contact contact) {
this.contact = contact;
}
}
Error message
An unexpected application exception has occurred.
- org.apache.tapestry5.internal.services.RenderQueueException
Render queue error in SetupRender[ViewContact:beandisplay]: Parameter
'object' of component ViewContact:beandisplay is bound to null. This
parameter is not allowed to be null.
activeComponents
- ViewContact (class com.josh.addressbook.pages.ViewContact)
- ViewContact:layout (class com.josh.addressbook.components.Layout)
classpath:com/josh/addressbook/pages/ViewContact.tml, line 31<html
t:type="layout" t:title="Show all contacts"2 xmlns:t="
http://tapestry.apache.org/schema/tapestry_5_1_0.xsd"3xmlns:p="tapestry:parameter";>
4
5 <div class="span-6">6 <t:menu title="Viewing Contact"/>7 </div>8
- ViewContact:beandisplay (class
org.apache.tapestry5.corelib.components.BeanDisplay)
classpath:com/josh/addressbook/pages/ViewContact.tml, line 105 <div
class="span-6">6 <t:menu title="Viewing Contact"/>7 </div>8
9 <div class="span-16">10 <t:beandisplay object="contact"/>11 </div>12
13</html>
locationclasspath:com/josh/addressbook/pages/ViewContact.tml, line 10
- org.apache.tapestry5.ioc.internal.util.TapestryException
Parameter 'object' of component ViewContact:beandisplay is bound to null.
This parameter is not allowed to be null.
locationclasspath:com/josh/addressbook/pages/ViewContact.tml, line 10Hide
uninteresting stack frames Stack trace
-
org.apache.tapestry5.internal.transform.ParameterWorker$2$1.readFromBinding(ParameterWorker.java:328)
-
org.apache.tapestry5.internal.transform.ParameterWorker$2$1.get(ParameterWorker.java:413)
-
org.apache.tapestry5.corelib.components.BeanDisplay._$get_object(BeanDisplay.java)
-
org.apache.tapestry5.corelib.components.BeanDisplay.setupRender(BeanDisplay.java:128)
-
org.apache.tapestry5.corelib.components.BeanDisplay$MethodAccess_setupRender_12c2b7e6fa2.invoke(BeanDisplay$MethodAccess_setupRender_12c2b7e6fa2.java)
-
org.apache.tapestry5.internal.transform.RenderPhaseMethodWorker$Invoker.invoke(RenderP
