骡子自定义变压器:无元件自定义变压器类

I'm trying to create a simple flow that takes a string from an HTTP endpoint, changes it using a custom Java transformer, and then sends it back to the client. Unfortunately, Mule doesn't seem to be able to find or otherwise use my custom class when I attempt to run the flow. Examples of my code are below:I'm trying to create a simple flow that takes a