Image byte [] to response.outputStream in Grails leads to “Cannot forward after response has been committed”

Question

In my Grails controller I have an image as byte []. I want to write this byte [] directly to the response.outputStream

I use the following code to do that:

Answer 1

Grails don't know that you've already processed response, and if you aren't returning anything grails tries to apply default logic.

Put

return null

at the end of your action.