I'm also having either the same issue or one very similar.
The problem I'm seeing seems to be isolated to IE. The specific build
version of IE 7.0.5730.11. The issue only seems to have come up on one of 5
machines and assuming the specific IE build maybe an issue.
Here's a description:
We are using a AjaxLazyLoadPanel to load a long running panel. As soon as
the panel is is loaded a javascript error of "invalid argument" is thrown
and the ajax request is halted. Doing some debugging revealed that the
exception was being thrown from
"t.setRequestHeader("Wicket-FocusedElementId",
Wicket.Focus.lastFocusId || "");". The Wicket.Focus.lastFocusId variable is
to "", which doesn't seem like it would cause a problem given the OR
operator.
I'd really apperciate some assitance.
Thanks,
Brian Glynn
atul singh-5 wrote:
>
> Hi,
> I wanted to know about preCallHandlers in wicket-ajax.js .What are they
> and
> How are they related in java code.
> Actually I am facing a problem in internet explorer. The ajax get call
> give
> error after "Invoking pre-call handler(s).."
> It gives an error in the highlighted portion and then all ajax stops
> working, because this get call did not return.
> The error says--"invalid argument"
> I will really appreciate any help. Also if anyone know a javascript
> debugger/debugging technique for internet explorer, please let me know, so
> i
> will be able to do something about this :(..
>
> Thanks
>
>
> doGet: function() {
> if (this.precondition()) {
>
> this.transport = Wicket.Ajax.getTransport();
>
> var url = this.createUrl();
> this.log("GET", url);
>
> Wicket.Ajax.invokePreCallHandlers();
>
> * var t = this.transport;**
> if (t != null) {
> if (Wicket.Browser.isGecko()) {
> var href = document.location.href;
> var lastIndexOf = href.lastIndexOf('/');
> if (lastIndexOf > 0)
> {
> url = href.substring(0,lastIndexOf+1) + url;
> }
> }
> t.open("GET", url, this.async);
> t.onreadystatechange =
> this.stateChangeCallback.bind(this);
> // set a special flag to allow server distinguish between
> ajax and non-ajax requests
> t.setRequestHeader("Wicket-Ajax", "true");
> t.setRequestHeader("Wicket-FocusedElementId",
> Wicket.Focus.lastFocusId || "");
> t.setRequestHeader("Accept", "text/xml");
> t.send(null);
> return true;*
> } else {
> this.failure();
> return false;
> }
> } else {
> Wicket.Log.info("Ajax GET stopped because of precondition
> check,
> url:" + this.url);
> this.done();
> return true;
> }
> }
>
>
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