The final mile: Upgrade to Grails 2.4.3 and use Spring Security REST plugin After I wrote down this series of Create a restful application with AngularJS and Grails , I have received some feedback from my blogspot and mail. I decide to update this sample to the latest Grails and use the Spring Security REST plugin instead of my customized solution, it is more powerful and flexible. Upgrade to Grails 2.4.3 Update the Grails version to 2.4.3, which is the newest when I wrote this. You can change the value in application.properties file directly or using grails command to complete the work. grails set-grails-version 2.4.3 Please read the Upgrading from Grails 2.3 section of the official reference document to update dependencies manually. Note: The upgrade command was removed in Grails 2.4, currently this manual approach is the only way to upgrade your application to the latest 2.4.x. Make sure all things are done well. Run the application via command line. gra...