URLLoader on Android - unexpected behavior

Question

On an android tablet I'm making a call to a web service. In testing, I'm using an incorrect URL and then listening for Event.COMPLETE, and IOErrorEvent.IO_ERROR. Since the URL is incorrect I should get the error handler... but I don't Event.COMPLETE fires.

If i test on my desktop then it works as expected with the Error event firing, but on the device all I get is Event.COMPLETE and no error, even with a bad URL.

Any ideas? Did some Googling, couldn't find a reason for this behavior.

sinious · Answer

Sometimes ISPs or mobile networks attempt to assist you when you enter an invalid URL. For example, Verizon FIOS annoyingly doesn't time out, create errors, etc, it brings up its own Verizon Search Assist engine and gives you alternate options, which unfortunately also is a 200 OK.

You can get around these services by modifying your DNS settings but regardless, try an URL that's simply outright invalid. Your carrier might be doing this to you.

Try a completely bogus address like http://123.456.857.313 to try to get around that. The above laaalalala..etc fires an Event.COMPLETE for me but the invalid numeric IP gives me:

[IOErrorEvent type="ioError" bubbles=false cancelable=false eventPhase=2 text="Error #2032: Stream Error. URL: http://123.456.857.313" errorID=2032]

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