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01.22.07
Flex/ColdFusion Mystery And A Very Simple Answer
 By Raymond Camden
I was working on a Flex project when I hit a brick wall. I had a very simple form.
Flex was using remoting to send the form information to ColdFusion. ColdFusion was doing nothing with the data.
It was just an empty method. However, every time I'd try to send the data I'd get an error.
Here is where things got weird. The first thing I tried was launching ServiceCapture so I could see the response from ColdFusion.
However - when I would send the form data, ServiceCapture would actually hang. I had to force it down.
So then I went to my ColdFusion logs. Nothing was reported in the error log but an empty string. At this point I'm really confused.
I go into my Application.cfc file's onError and added this:
Now I get somewhere. When I look at the file, I see no message, no detail, but I do see a type for the error:
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What the heck? (Ok, I didn't say heck.) So now I start trying random crap. First I change the method names. Doesn't help. Finally I change my Flex code to send nothing to ColdFusion. And it works.
Um. Ok.
I restored my code and noticed something....
username and password were the form elements, not the values of the form elements. Somehow Flex thought this was ok. Can you really send a component over the wire? Flex could. And while it didn't die, it was enough to freak out ServiceCapture and ColdFusion.
Changing my Flex to:
made everything kosher. Whew!
Comments
About the Author:
Raymond Camden, ray@camdenfamily.com
http://ray.camdenfamily.com
Raymond Camden is Vice President of Technology for roundpeg, Inc. A long
time ColdFusion user, Raymond has worked on numerous ColdFusion books
and is the creator of many of the most popular ColdFusion community web
sites. He is an Adobe Community Expert, user group manager, and the
proud father of three little bundles of joy.
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