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https://issues.apache.org/jira/browse/WICKET-707?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Igor Vaynberg reassigned WICKET-707:
------------------------------------
Assignee: Matej Knopp
problem here is not that the page cannot implement the listener - that works
fine, the problem is that our stateless processing is jacked up.
here is what happens in the example
index() executes
urlfor(ihellolistenercalled)
page.setpagestateless(false) <== good
page.renderpage()
:856 // Reset it to stateless so that it can be tested again <== not good
because it erases the previous set flag
.. render ...
:946 rest of stateless processing
so the problem is that the render method actually resets the stateless flag, so
unless you always call urlfor during render phase a stateful page might be
marked stateless and therefore when that link is executed the page wont be
found in pagemap - thus pageexpired.
so looks like we need a "hard" stateless flag that the render wont reset
matej you know stateless stuff better then me so i am assigning it to you
> Invoking a request listener on a page returns an Expired Error page
> -------------------------------------------------------------------
>
> Key: WICKET-707
> URL: https://issues.apache.org/jira/browse/WICKET-707
> Project: Wicket
> Issue Type: Bug
> Components: wicket
> Affects Versions: 1.2.6
> Reporter: paolo di tommaso
> Assignee: Matej Knopp
> Priority: Minor
> Fix For: 1.3.0-beta4
>
>
> The Page object being a Component should support the Wicket request listener
> mechanism.
> But invoking a request listener on page defined listener object it results in
> a "Page Expired" error page.
> To reproduce it try the following code:
> public interface IHelloListener extends IRequestListener
> {
> public static final RequestListenerInterface INTERFACE = new
> RequestListenerInterface(IHelloListener.class);
> void onHello();
> }
> public class HelloWorld extends WebPage implements IHelloListener
> {
> public HelloWorld()
> {
> add(new Label("message", "Hello World!"));
> WebMarkupContainer link = new WebMarkupContainer("link");
> link.add(new SimpleAttributeModifier("href",
> RequestCycle.get().urlFor(this, IHelloListener.INTERFACE)));
> add(link);
> }
> public void onHello()
> {
> RequestCycle.get().setRequestTarget(new IRequestTarget()
> {
> public void detach(RequestCycle requestCycle)
> {
> }
> public void respond(RequestCycle requestCycle)
> {
>
> requestCycle.getResponse().write("<html><body>HELLO!</body></html>");
> }
>
> public Object getLock(RequestCycle requestCycle) {
> return null;
> }
> });
> }
> }
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