Do I have to know groovy before learning grails?

Question

Do I have to know groovy before learning grails?

Answer 1

Complete fluency with Groovy is nice, but not necessary. It's possible to begin with Grails without mastering Groovy.

"Grails In Action" has a nice one chapter intro to Groovy.

I think it's more important to have a foundation in Spring and Hibernate so you can tell what's going on.