Flex/ColdFusion case sensitivity gotcha

Yesterday I was helping a ColdFusion user who is just getting into Flex. He kept getting this error:

[RPC Fault faultString="[MessagingError message='Unknown destination 'Coldfusion'.']" faultCode="InvokeFailed" faultDetail="Couldn't establish a connection to 'Coldfusion'"]

This was his first attempt trying to hook Flex 2 into ColdFusion and he wasn’t getting anywhere. His code looked ok to me:

<mx:RemoteObject id="cfService" destination="Coldfusion" source="flexbtb.cfc.myService" />

But then I noticed something. He had “Coldfusion”, not “ColdFusion”. Turns out the destination value is case sensitive. Just one more example of something us ColdFusion developers have probably gotten a bit lazy with - case sensitivity.

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Raymond is a developer advocate. He focuses on JavaScript, serverless and enterprise cat demos. If you like this article, please consider visiting my Amazon Wishlist or donating via PayPal to show your support.

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