Hi,

Retrofit callbacks are invoked asynchronously. Once #success() is called, the Wicket response is probably written already.

You can't/shouldn't do anything related to Wicket in a non-request thread.

Regards
Sven

On 05/07/2014 07:49 PM, Noven wrote:
Hi all,

I am experimenting with retrofit (http://square.github.io/retrofit/) rest 
client and have issue that I can't fix.

I have a form that on submit will call the wicket-rest service.

form.add(new AjaxButton("submit") {
             @Override
             protected void onSubmit(final AjaxRequestTarget target, Form<?> 
form) {
                 getWicketApplication().getPersonService().createPerson((PersonPojo) 
form.getModelObject(), new Callback<PersonPojo>() {

                     @Override
                     public void success(PersonPojo t, Response rspns) {
                         info("Success creating person");
target.add(feedback); // error from here
                     }

                     @Override
                     public void failure(RetrofitError re) {
                         error("Error creating person");
                         target.add(feedback);
                     }
                 });
             }
         });


I am able to submit the form successfully..  but unable to call the 
target.add(feedback);

Here is the logs :

INFO  - PersonForm                 - Success creating person
Exception in thread "Retrofit-Idle" org.apache.wicket.WicketRuntimeException: 
No RequestCycle is currently set!
at org.apache.wicket.Component.getRequest(Component.java:1818)
at org.apache.wicket.markup.html.WebPage.dirty(WebPage.java:318)
at org.apache.wicket.Page.dirty(Page.java:248)
at org.apache.wicket.Page.componentStateChanging(Page.java:937)
at org.apache.wicket.Component.addStateChange(Component.java:3542)
at org.apache.wicket.Component.info(Component.java:2008)
at com.restclient.form.PersonForm$1$1.success(PersonForm.java:62)
at com.restclient.form.PersonForm$1$1.success(PersonForm.java:57)
at retrofit.CallbackRunnable$1.run(CallbackRunnable.java:45)
at retrofit.Utils$SynchronousExecutor.execute(Utils.java:114)
at retrofit.CallbackRunnable.run(CallbackRunnable.java:43)
at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at retrofit.Platform$Base$2$1.run(Platform.java:94)
at java.lang.Thread.run(Thread.java:744)

I guess there's something I missed here, The RequestCycle. I just don't know 
what to do next.

Please help.

Regards,
Noven


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