“Could not find the ColdFusion component or interface” after migrating to ColdFusion 2018

December 6, 2018

Today I began migrating some of our applications to ColdFusion 2018 (from ColdFusion 2016).

Things went pretty smoothly until I ran into this error:

Could not find the ColdFusion component or interface XXX.XXX.mycfc"

Where “XXX.XXX.mycfc” is a ColdFusion component.

In my case the component definitely exists and was in the path where it was being instantiated.

After a little troubleshooting and head scratching I decided to simply try adding a mapping in Application.cfc.

Magically the component could be instantiated and the application runs as it always has.

I have no idea why a mapping is now required in the latest version of ColdFusion.


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about me

An information technology professional with twenty three years experience in systems administration, computer programming, requirements gathering, customer service, and technical support.