I have upgraded a Grails 2.3.8 project to 2.4.3. In 2.3.8 we had problems with forked execution, so I have disabled it. Now, when I enable it, and try to reload a changed se
A similar problem was posted in the grails dev discus mailing list a few hourse ago. From the sample app that I was able to view, it seems the error happened when the package name of the class being edited had "grails" in it. https://groups.google.com/forum/#!topic/grails-dev-discuss/u5gvuwWXoTk
You should check for that in your naming convention and change it to something more specific to your app....