As per: http://grails.1312388.n4.nabble.com/Deploying-Grails-2-0-to-Websphere-8-td4580936.html
updated javaee containers
Just a quick note: this should probably have been committed to 2.0.x branch, cherry-picked to 2.1.x, and then merged to master. Unless it's specific to Grails 2.2+?
@pledbrook There is nothing specific to 2.2 for this, so yes you are correct. It can be applied to 2.0 and 2.1 branches as well.