This would be aprimaryreason to upgrade.
Grails 2 introduced a*lot*of excellenttestingsupport, including...
In memoryGORM (makingunittestingcriteriaQueries
Better Console Output
Annotation based mockingmakes code more straight-forward
Since much of the communityis movingforward with Grails 2, it
willbe easier to:
GetStackOverflow questions answered
Getanew feature in aplugin
Find talented developers familiar with your technology
Groovy1.8 support(or 2.0 in Grails 2.2+)
ORM improvements and more options (mongoDBfor
Better defaultscaffolding(jQueryand HTML5)
Easier date parsing
Multiple DataSources Support
Etc etc etc (read the docs, yo!)