FileReferenceList does not return a complete event

Hello people of Forum!

I have an application that downloads the files. A moment with FileReference file download works. No problems. But when I try to use FileReferenceList, objects in the FileReferenceList FileReference table do not return an Event.COMPLETE, when they finished. Both versions violate the same servlet, so I start from the principle that there should not be no problem on the receiving end. When I throw in debugging code, I see the return of open FileReferenceList object and progress events, but never a full event. Here is what my code does:

The user clicks on the 'Browse' button and selects the files. When they're done, the button is clicked "Upload" and they clicked. I make a few calls to a database to retrieve identifiers of document and then I go through the download process:

var fileReference:FileReference = FileReference (this.uploadFileArray.pop ());
fileReference.addEventListener (Event.OPEN, traceEvent);
fileReference.addEventListener (Event.COMPLETE, completeEvent);
fileReference.addEventListener (IOErrorEvent.IO_ERROR, traceEvent);
fileReference.addEventListener (ProgressEvent.PROGRESS, progressEvent);
fileReference.addEventListener (SecurityErrorEvent.SECURITY_ERROR, traceEvent);
var req:URLRequest = new URLRequest (endpoint + paramString);
Req.Method = URLRequestMethod.POST;
fileReference.upload (req, "whatever", false);
progressBar.label = "Loading"... » ;
btnCancelFile.enabled = true;

Here is my 'complete' event handler:

private void completeEvent(event:Event):void {}
mx.controls.Alert.show ("completed event.");
traceEvent (event);
}


I'm pretty much after the code of the language reference. The complete event is blocked or am I completely missed something obvious?

I'll take suggestions or advice! Thanks in advance for the help!

-Andy

It seems that unless you keep a handle on the FileReference, flash will clean memory engine object it real quick. Which is what is happening here - even if the files were sent to the servlet without problem, the garbage collector has been sucking the FileReference objects until they could send the complete event.

So the solution here was to place the FileReference object in a table just before download command and then remove it from the table when the end event is raised, so that garbage collection can collect timely.

It was in fact in the documentation somewhere, but for some reason it didn't register only.

Anyhoo... He is a good example of what to do about the specifications of lang in the FileReferenceList page under examples.
http://livedocs.Macromedia.com/Flex/2/langref/index.html

Hope this helps... someone. :-)
-Andy

Tags: Flex

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