Gatling Maven 3.0.2 is not working in weird circumstances...

I had successfully created some Gatling projects in the past. This time it is a little mind-boggling.

I am using Gatling Maven 3.0.2. When I run ‘mvn clean gatling:test’, I get the following:


What happens when you upgrade Gatling version’s (not the plugin) to 3.1.1?