IntelliJ IDEA Debugger isn't working on a Grails Project

Question

I can\'t debug my code in IntelliJ IDEA. When debug mode is active and running, but the breakpoints don\'t have that \"v\" checked that represents a valid and stoppable brea

Answer 1

This is a very simple matter with Grails 3 and Idea (2016.1). There's no need to edit any files anymore, as recommended in the other answers.

For some reason, the debug icon in the Idea toolbar is greyed out, so you just have to navigate to your application entry point (the class that has the static void main method that starts the application), click on one of the run arrows in the left-hand gutter and select the Debug option.

From the JetBrains docs:

https://www.jetbrains.com/help/idea/2016.1/getting-started-with-grails-3.html

Debugging Grails 3 Application

IntelliJ IDEA lets you debug your Grails 3 application using Application.groovy.

In the Project tool window, open init directory and right-click the Application.groovy From the drop-down list select Debug Grails:'name' grails3_debug_app You can also use the editor to start the debugging process.