var wcall = Wicket.Ajax.get({ u: '${callbackUrl}'});
should be
var wcall = Wicket.Ajax.get({ u: window.callbackUrl });Martin Grigorov Wicket Training and Consulting https://twitter.com/mtgrigorov On Wed, Jan 18, 2017 at 9:51 AM, James Selvakumar <[email protected]> wrote: > Dear Wicket team, > > I need to make a call to a Wicket page from my JavaScript function. > I followed the guide Calling Wicket from Javascript > <https://cwiki.apache.org/confluence/display/WICKET/ > Calling+Wicket+from+Javascript> > and managed to define an ajax behavior to respond to the JavaScript call. > > My ajax behavior looks like this: > > > private final AbstractDefaultAjaxBehavior behave = new > AbstractDefaultAjaxBehavior() > > { > > protected void respond(final AjaxRequestTarget target) > > { > > LOGGER.debug("Received a request from client to get the > encryption key"); > > target.add(new Label("foo", "Yeah I was just called from > Javascript!")); > > } > > > > public void renderHead(Component component, IHeaderResponse response) > > { > > super.renderHead(component, response); > > String callbackUrl = getCallbackUrl().toString(); > > response.render(JavaScriptHeaderItem.forScript("var > callbackUrl='" + callbackUrl + "';", "values")); > > } > > }; > > > > This callback url got rendered in the page like this: > > <script id="values" type="text/javascript"> > > /*<![CDATA[*/ > > var callbackUrl='./wicket/page?0-1.IBehaviorListener.0-'; > > /*]]>*/ > > </script> > > > > > And here is my JavaScript code: > > > var wcall = Wicket.Ajax.get({ u: '${callbackUrl}'}); > > alert(wcall); > > > > But I'm getting the following error in the Wicket Ajax Debug Window: > > *An error occurred while executing Ajax request:TypeError: a is undefined* > > > > Can someone point out what's the mistake here? > > -- > Thanks & regards > James >
