ADF - ViewObject (with Bind Variable) Bind to Table- JDeveloper 10.1.3 EA

Question

Hi all,
1.- This is the situation:
In JDeveloper 10g 10.1.3 EA I have two JSP JSF Pages with bind automatically coponents (backing bean).
- In the first page I can select a value from a list. Then, when I press the "Accept" ADF Command Button, the selected value is stored in a property called "rutEntidad" of a Session Managed Bean and the Flow Control is passed to the second page.
- In the second page I have an ADF Table (called tablePolizas) bind to a ViewObject (I drop the ViewObject from the Data Control Palette to the Page - ADF Read-Only Table ). The ViewObject has a Bind Variable called RUT_ENTIDAD. When this page is loaded, value in the rutEntidad property of Session Managed Bean is passed to the ViewObject in order the ADF Table show filtered data . Also in this page there is a "back" ADF Command Button to the first page. The filter mechanism is performed in the getTablePolizas method in the backing bean of the second page, like this:
//**** The backing bean of the second page *****
package cl.bicevida.view.backing;
public class CrearUsuario {
private CoreTable tablePolizas;
public CoreTable getTablePolizas() {
DCBindingContainer dcbc;
DCControlBinding cb;
String rutEntidad;
FacesContext ctx =FacesContext.getCurrentInstance();
ValueBinding vb =
ctx.getApplication().createValueBinding("#{SessionManager.rutEntidad}");
rutEntidad = vb.getValue(ctx).toString();
dcbc = this.getBindingContainer();
cb = dcbc.findCtrlBinding("VoPolizasAsociadasEntidadExterna1");
ViewObject vo = cb.getViewObject();
vo.setNamedWhereClauseParam("RUT_ENTIDAD", rutEntidad);
vo.executeQuery();
return tablePolizas;
2.- And this is the problem:
The first time all works fine... then I press the "back" ADF Command Button to the first page (and NOT the back button of the browser). The second time, if the numbers of rows returned by the ViewObject is different than the first time, the application throws this message (but not crash):
validation - JBO-29000: Unexpected exception caught: oracle.jbo.JboException, msg=JBO-35007: Row currency has changed since the user interface was rendered. The expected row key was oracle.jbo.Key[1 ]
validation - JBO-35007: Row currency has changed since the user interface was rendered. The expected row key was oracle.jbo.Key[1 ]
Well, I had read the "Generic Approach for Back-Button-Friendly Web Rowset Paging" article of Steve Muench in http://www.oracle.com/technology/products/jdev/tips/muench/paging/index.html
but I think here have another problem.
3.- The questions:
Which is the cause of this problem?
How I can solve it?
What another way I can programmatic pass a parameter to a ViewObject connected to a table?
Thanks!!!

Answer 1

Another thing: the used strategy to obtain a binding container is explained by Steve Muench http://www.oracle.com/technology/products/jdev/tips/muench/1013eabinding/index.html:
Next, you can use JDeveloper's Overview tab of the faces-config.xml file editor to configure a managed property. Define the managed property name as bindingContainer to match the property in your bean, and set the class to the fully-qualified name of the DCBindingContainer class. You can use the (Browse...) button to quickly locate the class using the new JDeveloper 10.1.3 class browser. Just type in the first few letters of the DCBindingContainer name, and then select the class. Edit the new managed property and set its Value to the JSF EL expression: #{bindings}.
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